Vanguard 61A1 33.0 Gross HP* EFI/ETC

Product's Documents

Below are documents related to this product, you can read online or download:
User Manual Other Documents
  • Illustrated Parts List - Chinese - (Chinese) Download
  • Illustrated Parts List - English - (English) Download
  • Illustrated Parts List - Chinese - (Chinese) Download
61A1 photo

Illustrated Parts List - English

This is the main product document for model 61A1. Additionally, the document applies to other Vanguard models: 202301180300

The file format is pdf, 59 pages, you can download this manual here .

background
Parts ManualParts ManualParts ManualParts Manual
Mfg. No: 61A177-0100-J1
Copyright © Briggs & Stratton. All Rights reserved
04-Sep-2025
background
background
Table Of ContentsTable Of ContentsTable Of ContentsTable Of Contents
Model ComponentsModel ComponentsModel ComponentsModel Components PagePagePagePage
Air Cleaner Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Alternator Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Blower Housing Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Controls Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Crankcase Cover/Sump Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Crankshaft Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Cylinder Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Cylinder Head Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Exhaust Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Flywheel/Ignition/Starter Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Fuel Supply Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Lubrication Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Throttle Body Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Model 54-61 Engine Accessories Catalog. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Maintenance Kits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Lubrication. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Oil Filter Side Outlet Mufflers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Center Outlet Mufflers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Starter Side Outlet Mufflers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Muffler Bracket Kits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Speed Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Electrical. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Stub Shafts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Spark Arrester/Deflector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Air Intake. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Guarding. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Electronic Throttle Kit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
3 04-Sep-2025
background
Air Cleaner GroupAir Cleaner GroupAir Cleaner GroupAir Cleaner Group
Mfg. No: 61A177-0100-J1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
4 04-Sep-2025
background
Air Cleaner GroupAir Cleaner GroupAir Cleaner GroupAir Cleaner Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
11 846502 1 TUBE, Breather
50 ----- 1 MANIFOLD, Intake
-(Part information located in Cylinder Head Group.)
51 ----- 2 GASKET, Intake
-(Part information located in Cylinder Head Group.)
163 84006673 1 GASKET, Air Cleaner
431 84006671 1 ELBOW, Intake
445 692519 1 FILTER, A/C Cartridge
467 846008 1 KNOB, Air Cleaner Cover
467A 846432 1 KNOB, Air Cleaner Cover
601 846483 1 CLAMP, Hose
601A 844405 1 CLAMP, Hose
617 ----- 2 SEAL, O-Ring
-(Part information located in Cylinder Head Group.)
643 844932 1 RETAINER, Air Cleaner
711 807385 4 SCREW
-(Carburetor Shield)
875 84006672 1 BASE, Air Cleaner
967 692520 1 FILTER, Pre Cleaner
968 846323 1 COVER, Air Cleaner
996 846006 1 SHIELD, Carburetor
996A 846013 1 SHIELD, Carburetor
1583 690939 1 NUT
1425 847085 1 TUBE, Vent
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
5 04-Sep-2025
background
Alternator GroupAlternator GroupAlternator GroupAlternator Group
Mfg. No: 61A177-0100-J1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
6 04-Sep-2025
background
Alternator GroupAlternator GroupAlternator GroupAlternator Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
474 846882 1 ALTERNATOR
501 84004837 1 REGULATOR
526 690717 2 SCREW
-(Regulator)
587 846866 1 CLAMP, Cable
1054A ----- 1 TIE, Cable
-(Part information located in Controls Group.)
1119 691552 4 SCREW
-(Alternator) (M4x30mm)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
7 04-Sep-2025
background
Blower Housing GroupBlower Housing GroupBlower Housing GroupBlower Housing Group
Mfg. No: 61A177-0100-J1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
8 04-Sep-2025
background
Blower Housing GroupBlower Housing GroupBlower Housing GroupBlower Housing Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
304 84011459 1 HOUSING, Blower
879 84011179 1 COVER, Carburetor/EFI
969 799093 2 SCREW
-(Blower Housing Cover)
1036 ----- 1 LABEL, Emissions
-(Available from a Briggs & Stratton Authorized Dealer)
1212 809958 4 STUD
-(Blower Housing)
1319 797669 1 LABEL, Warning
-(REQUIRED When Replacing Parts With Warning Labels Affixed)
1319A 278911GS 1 LABEL, Warning
-(REQUIRED When Replacing Parts With Warning Labels Affixed)
1334 ----- 2 SCREW
-(Part information located in Cylinder Group.)
1371 ----- 4 NUT
-(Part information located in Flywheel/Ignition/Starter Group.)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
9 04-Sep-2025
background
Controls GroupControls GroupControls GroupControls Group
Mfg. No: 61A177-0100-J1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
10 04-Sep-2025
background
Controls GroupControls GroupControls GroupControls Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
266 84007271 1 LEVER, Electronic Throttle
318 807084 1 SCREW
-(Mounting Bracket)
318A 807435 1 SCREW
-(Mounting Bracket)
320 593902 1 RELAY(S)
367 807084 1 SCREW
-(Wire Clip)
486 593901 1 FUSE
493 84004219 1 BRACKET, Mounting
493A 84006955 1 BRACKET, Mounting
493B 84006956 1 BRACKET, Mounting
729 846826 1 CLIP, Wire
-(Oxygen Sensor)
789 84004216 1 HARNESS, Wiring
789A 84007530 1 HARNESS, Wiring
813 807116 3 CLAMP, Tube
813B 84004221 1 CLAMP
892 847448 1 SWITCH, Key
990 847146 1 SET, Key
1054 280275 1 TIE, Cable
1054A 84004732 1 TIE, Cable
1165 841233 1 SCREW
-(Clamp)
1378 847144 1 SET, Washer/Nut
1403 690677 2 SCREW
-(Wire Assembly)
1413 84006668 1 SENSOR, Speed
1439 846459 1 SCREW
-(Thermistor Wire Assembly)
1487 847334 1 COVER, Fuse
1488 593899 1 COVER, Diagnostic
1054 5021029SM 2 TIE, Cable 11" Long
1054A 84004732 1 TIE, Cable
1502 592577 1 SCREW
-(Speed Sensor)
1502A 846868 2 SCREW
-(Speed Sensor)
1518 847016 1 TACHOMETER
1521 847150 1 CAP, Switch
1537 703460 4 NUT, Hex #8-32
-(Fuse Cover)
1538 847332 2 STUD
-(Fuse Cover)
1539 847333 4 WASHER
-(Fuse Cover)
1595 84007265 1 COVER, Sensor Connector
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
11 04-Sep-2025
background
Crankcase Cover/Sump GroupCrankcase Cover/Sump GroupCrankcase Cover/Sump GroupCrankcase Cover/Sump Group
Mfg. No: 61A177-0100-J1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
12 04-Sep-2025
background
Crankcase Cover/Sump GroupCrankcase Cover/Sump GroupCrankcase Cover/Sump GroupCrankcase Cover/Sump Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
3 ----- 1 SEAL, Oil
-(Part information located in Cylinder Group.)
7 ----- 2 GASKET, Cylinder Head
-(Part information located in Cylinder Head Group.)
18 848359 1 COVER, Crankcase
20 841596 1 SEAL, Oil
-(PTO Side)
22 807362 11 SCREW
-(Crankcase Cover/Sump)
51 ----- 2 GASKET, Intake
-(Part information located in Cylinder Head Group.)
273 ----- 2 SEAL, O-Ring
-(Part information located in Lubrication Group.)
358 ----- 1 GASKET SET, Engine
-(Part information located in Cylinder Group.)
439 ----- 2 O-RING, Oil Gallery
-(Part information located in Cylinder Group.)
468 ----- 1 SEAL, O-Ring
-(Part information located in Lubrication Group.)
479 ----- 1 SCREW
-(Part information located in Lubrication Group.)
596 ----- 3 SCREW
-(Part information located in Lubrication Group.)
750 ----- 8 SCREW
-(Part information located in Lubrication Group.)
850 ----- 1 SEALANT, Liquid
-(Part information located in Cylinder Group.)
868 ----- 4 SEAL, Valve
-(Part information located in Cylinder Head Group.)
883 ----- 2 GASKET, Exhaust
-(Part information located in Exhaust Group.)
965 ----- 2 COVER, Oil Pump
-(Part information located in Lubrication Group.)
1017 ----- 2 SCREEN, Oil Pump
-(Part information located in Lubrication Group.)
1022 ----- 2 GASKET, Rocker Cover
-(Part information located in Cylinder Head Group.)
1024 ----- 1 PUMP, Oil
-(Part information located in Lubrication Group.)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
13 04-Sep-2025
background
Crankshaft GroupCrankshaft GroupCrankshaft GroupCrankshaft Group
Mfg. No: 61A177-0100-J1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
14 04-Sep-2025
background
Crankshaft GroupCrankshaft GroupCrankshaft GroupCrankshaft Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
16 848305 1 CRANKSHAFT
24 796335 1 KEY, Flywheel
25 841837 2 PISTON ASSEMBLY
-(Standard)
26 809972 2 SET, Ring
-(Standard)
27 807351 4 LOCK, Piston Pin
28 807361 2 PIN, Piston
29 841838 2 ROD, Connecting
45 ----- 4 TAPPET, Valve
-(Part information located in Cylinder Head Group.)
46 847381 1 CAMSHAFT
377 691639 1 KEY, Woodruff
741 809432 1 GEAR, Timing
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
15 04-Sep-2025
background
Cylinder GroupCylinder GroupCylinder GroupCylinder Group
Mfg. No: 61A177-0100-J1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
16 04-Sep-2025
background
Cylinder GroupCylinder GroupCylinder GroupCylinder Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
1 848362 1 CYLINDER ASSEMBLY
3 841596 1 SEAL, Oil
-(Magneto Side)
7 ----- 2 GASKET, Cylinder Head
-(Part information located in Cylinder Head Group.)
15 691680 1 PLUG, Oil Drain
20 ----- 1 SEAL, Oil
-(Part information located in Crankcase Cover/Sump Group.)
51 ----- 2 GASKET, Intake
-(Part information located in Cylinder Head Group.)
215 846455 1 GUIDE, Air
215A 846460 1 GUIDE, Air
215D 846458 1 GUIDE, Air
358 84007012 GASKET SET, ENGINE
-(Service Kits can include parts not for this engine.)
405 841233 6 SCREW
-(Back Plate)
439 692154 2 O-RING, Oil Gallery
573 842712 1 PLATE, Back
718 690959 2 PIN, Locating
718A 809508 4 PIN, Locating
718B 845925 1 PIN, Locating
850 100106 SEALANT, Liquid
868 ----- 2 SEAL, Valve
-(Part information located in Cylinder Head Group.)
883 ----- 2 GASKET, Exhaust
-(Part information located in Exhaust Group.)
1022 ----- 2 GASKET, Rocker Cover
-(Part information located in Cylinder Head Group.)
1212 ----- 4 STUD
-(Part information located in Blower Housing Group.)
1334B 692062 4 SCREW
-(Air Guide)
1334C 690677 2 SCREW
-(Air Guide)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
17 04-Sep-2025
background
Cylinder Head GroupCylinder Head GroupCylinder Head GroupCylinder Head Group
Mfg. No: 61A177-0100-J1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
18 04-Sep-2025
background
Cylinder Head GroupCylinder Head GroupCylinder Head GroupCylinder Head Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
3 ----- 1 SEAL, Oil
-(Part information located in Cylinder Group.)
5 84010829 1 HEAD, Cylinder
-(Cylinder #1)
5A 84010830 1 HEAD, Cylinder
-(Cylinder #2)
7 809730 2 GASKET, Cylinder Head
13 809784 12 SCREW
-(Cylinder Head)
20 ----- 1 SEAL, Oil
-(Part information located in Crankcase Cover/Sump Group.)
21 843464 1 CAP, Oil Fill
34 846469 1 VALVE, Intake
35 845589 2 SPRING, Valve
-(Intake)
33 843729 1 VALVE, Exhaust
36 845589 2 SPRING, Valve
-(Exhaust)
40 844788 2 RETAINER, Valve
42 807683 2 KEEPER, Valve
45 809785 4 TAPPET, Valve
50 84004426 1 MANIFOLD, Intake
51 847671 2 GASKET, Intake
192 84005276 4 ADJUSTER. Rocker Arm
337 792015 2 PLUG, Spark
358 ----- 1 GASKET SET, Engine
-(Part information located in Cylinder Group.)
383 19576S 1 WRENCH, Spark Plug
439 ----- 2 O-RING, Oil Gallery
-(Part information located in Lubrication Group.)
580 809894 1 SEAL, O-Ring
-(Oil Fill Cap)
617 84003965 2 SEAL, O-Ring
-(Intake Manifold)
708 841301 1 SEAL, O-Ring
-(Breather Reed)
798 691492 4 SCREW
-(Rocker Arm)
868 691963 2 SEAL, Valve
871 84008399 4 BUSHING, Valve Guide
883 ----- 2 GASKET, Exhaust
-(Part information located in Exhaust Group.)
914 807357 8 SCREW
-(Rocker Cover)
1022 809732 2 GASKET, Rocker Cover
1023 809789 1 COVER, Rocker
1023A 809731 1 COVER, Rocker
1026 809783 4 ROD, Push
1029 690972 4 ARM, Rocker
1029A 807323 1 ARM, Rocker
1077 809729 1 BRACKET, Lifting
1095 846672 1 GASKET SET, Valve
-(Service Kits can include parts not for this engine.)
1100 791959 4 PIVOT, Rocker Arm
1130 841590 4 STUD
-(Intake Manifold)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
19 04-Sep-2025
background
Cylinder Head GroupCylinder Head GroupCylinder Head GroupCylinder Head Group
Mfg. No: 61A177-0100-J1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
20 04-Sep-2025
background
Cylinder Head GroupCylinder Head GroupCylinder Head GroupCylinder Head Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
1174 842067 4 NUT
-(Intake Manifold)
1334B 692062 4 SCREW
-(Air Guide)
1334C 690677 2 SCREW
-(Air Guide)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
21 04-Sep-2025
background
Exhaust GroupExhaust GroupExhaust GroupExhaust Group
Mfg. No: 61A177-0100-J1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
22 04-Sep-2025
background
Exhaust GroupExhaust GroupExhaust GroupExhaust Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
437 692062 4 SCREW
-(Exhaust Manifold)
613 846149 4 SCREW
-(Muffler)
883 809872 2 GASKET, Exhaust
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
23 04-Sep-2025
background
Flywheel/Ignition/Starter GroupFlywheel/Ignition/Starter GroupFlywheel/Ignition/Starter GroupFlywheel/Ignition/Starter Group
Mfg. No: 61A177-0100-J1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
24 04-Sep-2025
background
Flywheel/Ignition/Starter GroupFlywheel/Ignition/Starter GroupFlywheel/Ignition/Starter GroupFlywheel/Ignition/Starter Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
23 846836 1 FLYWHEEL
73A 842248 1 SCREEN, Rotating
74 809947 3 SCREW
-(Rotating Screen)
309 84008634 1 MOTOR, Starter
333 84004206 2 ARMATURE, Magneto
334 841552 4 SCREW
-(Magneto Armature)
363 19203 1 PULLER, Flywheel
697 690711 2 SCREW
-(Drive Cap)
890 809987 1 BRACKET, Support
893 845758 2 NUT
-(Starter Solenoid)
920 847694 1 SOLENOID, Starter
1005 84011457 1 FAN, Flywheel
1006 847198 1 RETAINER, Fan
1070 807435 4 SCREW
-(Flywheel Fan)
1332 809948 3 WASHER
-(Rotating Screen)
1369 842858 1 GUARD, Flywheel Fan
1371 841537 4 NUT
-(Flywheel Fan Guard)
1372 84006854 1 STUD
-(Rotating Screen)
1378 844795 1 SET, Washer/Nut
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
25 04-Sep-2025
background
Fuel Supply GroupFuel Supply GroupFuel Supply GroupFuel Supply Group
Mfg. No: 61A177-0100-J1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
26 04-Sep-2025
background
Fuel Supply GroupFuel Supply GroupFuel Supply GroupFuel Supply Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
186B 845121 1 CONNECTOR, Hose
187 846475 1 LINE, Fuel
187A 846823 1 LINE, Fuel
187B 791766 1 LINE, Fuel
240 845125 1 FILTER, Fuel
385 84006665 2 SCREW
-(Fuel Pump)
387 846824 1 PUMP, Fuel
601A 691038 2 CLAMP, Hose
601B 690423 1 CLAMP, Tube
788 847087 1 BRACKET, Fuel Pump
813 ----- 3 CLAMP
-(Part information located in Controls Group.)
914 ----- 8 SCREW
-(Part information located in Cylinder Head Group.)
1165B 843345 2 SCREW
-(Clamp)
1480 593852 2 INJECTOR, Fuel
1485 84006568 1 MODULE, Fuel
1497 846505 1 BRACKET, Fuel Module
1498 807084 2 SCREW
-(Fuel Module Bracket)
1503 594618 3 SCREW
-(Fuel Module)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
27 04-Sep-2025
background
Lubrication GroupLubrication GroupLubrication GroupLubrication Group
Mfg. No: 61A177-0100-J1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
28 04-Sep-2025
background
Lubrication GroupLubrication GroupLubrication GroupLubrication Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
15 ----- 1 PLUG, Oil Drain
-(Part information located in Cylinder Group.)
239 841281 1 SWITCH, Oil Pressure
273 690681 2 SEAL, O-Ring
-(Oil Pump)
400 846249 1 COOLER, Oil
417 841233 3 SCREW
-(Oil Cooler) (M6x10mm)
468 690690 1 SEAL, O-Ring
-(Oil Pump Screen)
479 807084 1 SCREW
-(Oil Pump Screen)
523 841007 1 DIPSTICK
596 807084 3 SCREW
-(Oil Pump) (M6x35mm)
601D 845209 2 CLAMP, Hose
750 691492 2 SCREW
-(Oil Pump Cover)
829 846259 1 HOSE, Oil Cooler
829A 846260 1 HOSE, Oil Cooler
965 809422 1 COVER, Oil Pump
1013 841602 1 NIPPLE, Oil Filter
1017 809421 1 SCREEN, Oil Pump
1024 845983 1 PUMP, Oil
1027 842921 1 FILTER, Oil
1366 841510 1 DIVERTER, Oil Cooler
1374 796863 1 SEAL, O-Ring
-(Oil Cooler Diverter)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
29 04-Sep-2025
background
Throttle Body GroupThrottle Body GroupThrottle Body GroupThrottle Body Group
Mfg. No: 61A177-0100-J1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
30 04-Sep-2025
background
Throttle Body GroupThrottle Body GroupThrottle Body GroupThrottle Body Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
617 ----- 2 SEAL, O-Ring
-(Part information located in Cylinder Head Group.)
652 807084 5 SCREW
-(Support Bracket)
652A 845964 2 SCREW
-(Support Bracket)
890 846506 1 BRACKET, Support
890A 846493 1 BRACKET, Support
1174 ----- 4 NUT
-(Part information located in Cylinder Head Group.)
1334 ----- 1 SCREW
-(Part information located in Cylinder Head Group.)
1565 84006022 1 CONTROL, Electronic Throttle
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
31 04-Sep-2025
background
Model 54-61 EngineModel 54-61 EngineModel 54-61 EngineModel 54-61 Engine
Accessories CatalogAccessories CatalogAccessories CatalogAccessories Catalog
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
04-Sep-2025
background
Maintenance KitsMaintenance KitsMaintenance KitsMaintenance Kits
Model 54-61 Engine Accessories Catalog
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
33 04-Sep-2025
background
Maintenance KitsMaintenance KitsMaintenance KitsMaintenance Kits
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
9000 84002318 KIT, Maintenance
-(Oil Guard™ Engines)
9000A 84002315 KIT, Maintenance
-(Non-Oil Guard™ Engines)
9000B 84004936 KIT, Maintenance
-(Non-Oil Guard™ Engines) (20 - 40 HP)
240 845125 1 FILTER, Fuel
337 491055S 2 PLUG, Spark
445 841497 1 FILTER, A/C Cartridge
-"Professional / PXi" & "Commercial / CXi".
445A 692519 1 FILTER, A/C Cartridge
-"Professional / PXi" & "Commercial / CXi".
967 692520 1 FILTER, Pre Cleaner
1027 595930 1 FILTER, Oil
-(Oil Guard™)
1027A 842921 1 FILTER, Oil
-(Vanguard®)
1505 100170 OIL-5QT VANGUARD (CASE)
-(5 qt Bottle)
1505A 100169 OIL-1QT VANGUARD (CASE)
-(1 qt Bottle)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
34 04-Sep-2025
background
LubricationLubricationLubricationLubrication
Model 54-61 Engine Accessories Catalog
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
35 04-Sep-2025
background
LubricationLubricationLubricationLubrication
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
186 796532 1 CONNECTOR, Hose
-(Threaded Engine Block Connector for EZ-Oil Drain Hose)(Order hose
separate)
239 690233 1 SWITCH, Oil Pressure
-(2-4 PSI Normally-Closed Switch)
239A 491657S 1 SWITCH, Oil Pressure
-(3-5 PSI Normally-Closed Switch)
239B 841281 1 SWITCH, Oil Pressure
-(7-10 PSI Normally-Closed Switch)
239C 694115 1 SWITCH, Oil Pressure
-(9-13 PSI Normally-Closed Switch)
239D 697049 1 SWITCH, Oil Pressure
-(3-6 PSI Normally-Open Switch)
460 1761386YP 1 CONNECTOR, Filter Adapter
-(Oil Drain Valve) (Fitting M14, 90 Degree 9/16 JIC)
460A 5100366SM 1 METRIC ADAPTER, M14-1
-(Threaded engine block adapter M14 to 3/8 for EZ-Oil Drain connector) (order
796532 separate)
512 594200 1 HOSE, Oil Drain
-(EZ-Oil Drain Hose, 10.5") (Order threaded engine block connector separate)
512 593635 1 HOSE, Oil Drain
-(EZ-Oil Drain Hose, 13.75") (Order threaded engine block connector separate)
512B 1723165SM 1 HOSE, Oil Drain, 10-1/2" Long, 3/8-18 Fittings
-(10.5")
512C 5048681SM 1 HOSE, OIL DRAIN
-(12.5")
517 593633 1 RETAINER, Oil Drain
1346 844802 1 VALVE, Oil Drain Shut Off
1346A 492031 1 VALVE, Oil Drain Shut Off
1505 100169 OIL-1QT VANGUARD (CASE)
-(1 qt. Bottle)
1505A 100170 OIL-5QT VANGUARD (CASE)
-(5 qt. Bottle)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
36 04-Sep-2025
background
Oil Filter Side Outlet MufflersOil Filter Side Outlet MufflersOil Filter Side Outlet MufflersOil Filter Side Outlet Mufflers
Model 54-61 Engine Accessories Catalog
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
37 04-Sep-2025
background
Oil Filter Side Outlet MufflersOil Filter Side Outlet MufflersOil Filter Side Outlet MufflersOil Filter Side Outlet Mufflers
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
296 844813 4 STUD
-(Muffler)
300 846819 1 MUFFLER
-(High Mount) (Oil Filter Side Outlet) (EFI)
300A 846246 1 MUFFLER
-(Mid Mount) (Oil Filter Side Outlet)
300B 847486 1 MUFFLER
-(Mid Mount) (Oil Filter Side Outlet) (EFI)
300C 847278 1 MUFFLER
-(Side Mount) (Oil Filter Side Outlet) (EFI)
300D 84007299 1 MUFFLER
-(Vertical Shaft)(Oil Filter Side Outlet)
415 596859 1 PLUG
436 841681 1 MANIFOLD, Exhaust
613 596859 PLUG
-(Muffler)
725 847229 1 SHIELD, Heat
725A 844338 1 SHIELD, Heat
725B 847487 1 SHIELD, Heat
728 692067 2 SCREW
-(Heat Shield)
740 703164 2 NUT
-Muffler Bracket
819 5025011X8SM 2 CAPSCREW, Hex Head, 5/16-18 X 1
-(Muffler Bracket)
832 841682 1 GUARD, Muffler
836 841233 4 SCREW
-(Muffler Guard)
883 809872 2 GASKET, Exhaust
884 841968 1 CLAMP, Muffler
1449 703350 4 WASHER
-(Muffler)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
38 04-Sep-2025
background
Center Outlet MufflersCenter Outlet MufflersCenter Outlet MufflersCenter Outlet Mufflers
Model 54-61 Engine Accessories Catalog
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
39 04-Sep-2025
background
Center Outlet MufflersCenter Outlet MufflersCenter Outlet MufflersCenter Outlet Mufflers
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
22 807362 2 SCREW
-(Muffler Bracket)
300 846443 1 MUFFLER
-(Vertical Shaft) (Center Outlet) (304 Stainless Steel)
300A 847940 1 MUFFLER
-(Vertical Shaft) (Center Outlet) (304 Stainless Steel) (Performance Muffler for
40 HP)
300B 846154 1 MUFFLER
-(Horizontal Shaft) (High Mount) (Center Outlet)
300C 847922 1 MUFFLER
-(Horizontal Shaft) (High Mount) (Center Outlet) (304 Stainless Steel)
(Performance Muffler for 40 HP)
300D 846444 1 MUFFLER
-(Horizontal Shaft) (High Mount) (Center Outlet) (304 Stainless Steel)
300E 847478 1 MUFFLER
-(Horizontal Shaft) (High Mount) (Center Outlet) (O2 Sensor Port) (EFI)
355 844035 2 WASHER
-(Muffler Bracket)
355A 691261 2 WASHER
-(Muffler Bracket)
355B 691075 8 WASHER
-(Muffler Bracket)
467 846149 4 SCREW
-(Exhaust Manifold)
725 841132 1 SHIELD, Heat
725A 847229 1 SHIELD, Heat
728 692067 2 SCREW
-(Heat Shield)
740 690941 5 NUT
819 692062 2 SCREW
-(Muffler Bracket)
863 848296 1 BRACKET, Muffler
863A 843487 1 BRACKET, Muffler
863B 848296 1 BRACKET, Muffler
883 809872 2 GASKET, Exhaust
1507 848297 1 STUD
-(Muffler Bracket)
1507A 848298 2 STUD
-(Muffler Bracket)
1507B 846324 2 STUD
-(Muffler Bracket)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
40 04-Sep-2025
background
Starter Side Outlet MufflersStarter Side Outlet MufflersStarter Side Outlet MufflersStarter Side Outlet Mufflers
Model 54-61 Engine Accessories Catalog
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
41 04-Sep-2025
background
Starter Side Outlet MufflersStarter Side Outlet MufflersStarter Side Outlet MufflersStarter Side Outlet Mufflers
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
300 845741 1 MUFFLER
-(High Mount) (Starter Side Outlet)
300A 847083 1 MUFFLER
-(Starter Side Outlet) (EFI)
300B 847279 MUFFLER
-(Side Mount) (Starter Side Outlet) (EFI)
415 596859 1 PLUG
436 842263 1 MANIFOLD, Exhaust
725 841132 1 SHIELD, Heat
728 692067 2 SCREW
-(Heat Shield)
832 841682 1 GUARD, Muffler
836 841233 4 SCREW
-(Muffler Guard)
883 809872 2 GASKET, Exhaust
884 841968 1 CLAMP, Muffler
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
42 04-Sep-2025
background
Muffler Bracket KitsMuffler Bracket KitsMuffler Bracket KitsMuffler Bracket Kits
Model 54-61 Engine Accessories Catalog
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
43 04-Sep-2025
background
Muffler Bracket KitsMuffler Bracket KitsMuffler Bracket KitsMuffler Bracket Kits
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
22 807362 2 SCREW
-(Muffler Bracket)
355 844035 2 WASHER
-(Muffler Bracket)
355A 691261 2 WASHER
-(Muffler Bracket)
355B 691075 8 WASHER
-(Muffler Bracket)
740 690941 6 NUT
-(Muffler Bracket)
819 692062 2 SCREW
-(Muffler Bracket)
863 848316 1 BRACKET, Muffler
-(Vertical)
863A 843487 1 BRACKET, Muffler
-(Horizontal)
863B 848296 1 BRACKET, Muffler
-(Vertical)
1507 848297 1 STUD
-(Muffler Bracket)
1507A 848298 2 STUD
-(Muffler Bracket)
1507B 846324 2 STUD
-(Muffler Bracket)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
44 04-Sep-2025
background
Speed ControlSpeed ControlSpeed ControlSpeed Control
Model 54-61 Engine Accessories Catalog
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
45 04-Sep-2025
background
Speed ControlSpeed ControlSpeed ControlSpeed Control
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
265 691024 1 CLAMP, Casing
-(Casing Clamp for Hard Casing)
265A 690798 1 CLAMP, Casing
-(Casing Clamp for Soft Casing)
267 792629 1 SCREW
-(Screw for Casing Clamp)
268 691025 1 CASING, Control Wire
-(Wire Casing 72")
269 691026 1 WIRE, Control
-(Control Wire 78")
269A 93907 1 WIRE, Control
-(Control Wire 100")
270 691027 1 NUT
-(Nut for Wire Casing)
271 691028 1 LEVER, Control
271A 692105 1 LEVER, Control
-(Wire with “L” formed end)
271B 692541 1 LEVER, Control
-(Wire with “Z” formed end)
416 595196 1 BRACKET, Throttle Cable
-(Casing Clamp for Snap-In Casing)
493 842713 1 BRACKET, Mounting
-(Speed Sensor)
1413 844449 1 SENSOR, Speed
-(Requires 842713 Bracket and two 841233 screws)
1502 841233 2 SCREW
-(Speed Sensor)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
46 04-Sep-2025
background
ElectricalElectricalElectricalElectrical
Model 54-61 Engine Accessories Catalog
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
47 04-Sep-2025
background
ElectricalElectricalElectricalElectrical
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
330 847476 1 SENSOR, Oxygen
-(Extended Length O2 Sensor 23.5")
415 1714480SM 1 PLUG
-(Plug for Ignition Switch Removal)
789 809967 1 HARNESS, Wiring
-(Wire Harness Extension 8 Pin – 22”) (Use with standard key switch 692318 or
water/dust resistant key switch 847448)
789A 846776 1 HARNESS, Wiring
-(Wire Harness Extension 6 Pin – 22”) (Use with standard key<BR/>switch
692318 or water/dust<BR/>resistant key switch 847448)
789B 847017 1 WIRE ASSEMBLY
-(Wire Harness Extension for 847016 Tach 32")
853 80028618 1 ADAPTER, Wire
-(Wire Harness Adapter 6 Pin to 8 Pin)
983 5103809YP 1 LIGHT, Indicator
-(MIL Light Indicator, LED Red)
1518 847016 1 TACHOMETER
-(Tach, Hour Meter with MIL Light for EFI Engines)
1616 19626 1 CODE READER
-(Tiny Scan)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
48 04-Sep-2025
background
Stub ShaftsStub ShaftsStub ShaftsStub Shafts
Model 54-61 Engine Accessories Catalog
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
49 04-Sep-2025
background
Stub ShaftsStub ShaftsStub ShaftsStub Shafts
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
849 596370 3 SCREW
-(Stub Shaft)
849A 846235 3 SCREW
-(Stub Shaft)
1047 841304 1 SHAFT, Stub
-(Flywheel Mounted) (1-1/8" diameter, 148 mm length)
1047A 843342 1 SHAFT, Stub
-(Flywheel Mounted) (1-1/8" diameter, 176 mm length)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
50 04-Sep-2025
background
Spark Arrester/DeflectorSpark Arrester/DeflectorSpark Arrester/DeflectorSpark Arrester/Deflector
Model 54-61 Engine Accessories Catalog
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
51 04-Sep-2025
background
Spark Arrester/DeflectorSpark Arrester/DeflectorSpark Arrester/DeflectorSpark Arrester/Deflector
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
151 841185 4 STUD
-(4 per engine)
301 841518 1 PIPE, Exhaust
-(For 44.7 O.D. muffler outlet pipe) (Requires clamp 843624)
437 809743 4 SCREW
-(M8 x 25 for Mounting Mufflers) (4 per engine)
613 692062 4 SCREW
-(M8 x 18 for Mounting Mufflers) (4 per engine)
883 809872 2 GASKET, Exhaust
-(2 per engine)
994 843204 1 ARRESTOR, Spark
-(1.75") (44.7 mm) (O.D. Outlet Tube)
1177 842067 4 NUT
-(Required if using 841185 stud)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
52 04-Sep-2025
background
Air IntakeAir IntakeAir IntakeAir Intake
Model 54-61 Engine Accessories Catalog
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
53 04-Sep-2025
background
Air IntakeAir IntakeAir IntakeAir Intake
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
805A 843024 1 MINDER, Filter
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
54 04-Sep-2025
background
GuardingGuardingGuardingGuarding
Model 54-61 Engine Accessories Catalog
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
55 04-Sep-2025
background
GuardingGuardingGuardingGuarding
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
73 841840 1 SCREEN, Rotating
73A 842248 1 SCREEN, Rotating
74 809947 3 SCREW
-(Rotating Screen) (M6x20mm)
196 847200 1 GUARD, Flywheel Fan
725 841132 1 SHIELD, Heat
-(Requires 2 x 692067 Screw)
725A 847229 1 SHIELD, Heat
-(With 02 Sensor Hole) (EFI)
890 809987 1 BRACKET, Support
1005 846996 1 FAN, Flywheel
1006 847198 1 RETAINER, Fan
1332 809948 3 WASHER
1369 995019 1 FAN/SCREEN ASSEMBLY
1370 841233 4 SCREW
-(Flywheel Fan Guard)
1371 841537 4 NUT
-(Flywheel Fan Guard)
1372 809946 3 STUD
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
56 04-Sep-2025
background
Electronic Throttle KitElectronic Throttle KitElectronic Throttle KitElectronic Throttle Kit
Model 54-61 Engine Accessories Catalog
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
57 04-Sep-2025
background
Electronic Throttle KitElectronic Throttle KitElectronic Throttle KitElectronic Throttle Kit
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
578 84007350 1 WIRE ASSEMBLY
983 5103809YP 1 LIGHT, Indicator
1596 84007271 1 LEVER, Electronic Throttle
1623 84008670 1 KIT, Throttle Assembly
-(Analog Electronic Throttle Control)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
58 04-Sep-2025
background
Copyright © Briggs & Stratton. All Rights reserved
04-Sep-2025

Specifications

Vanguard 61A1 Questions and Answers

See other models: 49E8 3867 3567 3057 3054