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Vanguard 25E3 400 EFI/ETC

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User Manual Other Documents
  • Illustrated Parts List - Chinese - (Chinese) Download
  • Illustrated Parts List - Japanese - (Japanese) Download
  • Illustrated Parts List - English - (English) Download
  • Illustrated Parts List - English - (English) Download
  • Illustrated Parts List - Japanese - (Japanese) Download
  • Illustrated Parts List - Chinese - (Chinese) Download
  • Illustrated Parts List - Japanese - (Japanese) Download
  • Illustrated Parts List - English - (English) Download
  • Illustrated Parts List - Chinese - (Chinese) Download
  • Illustrated Parts List - Japanese - (Japanese) Download
  • Illustrated Parts List - English - (English) Download
  • Illustrated Parts List - Chinese - (Chinese) Download
  • Illustrated Parts List - Japanese - (Japanese) Download
  • Illustrated Parts List - Chinese - (Chinese) Download
  • Illustrated Parts List - English - (English) Download
  • Illustrated Parts List - English - (English) Download
  • Illustrated Parts List - Chinese - (Chinese) Download
  • Illustrated Parts List - Japanese - (Japanese) Download
  • Illustrated Parts List - Chinese - (Chinese) Download
  • Illustrated Parts List - English - (English) Download
  • Illustrated Parts List - Japanese - (Japanese) Download
  • Illustrated Parts List - Japanese - (Japanese) Download
  • Illustrated Parts List - Chinese - (Chinese) Download
  • Illustrated Parts List - English - (English) Download
  • Illustrated Parts List - Chinese - (Chinese) Download
  • Illustrated Parts List - English - (English) Download
  • Illustrated Parts List - Japanese - (Japanese) Download
  • Illustrated Parts List - Chinese - (Chinese) Download
  • Illustrated Parts List - English - (English) Download
  • Illustrated Parts List - Japanese - (Japanese) Download
Main documentSpecificationQuestions and answersRelateds Products
25E3 photo

Illustrated Parts List - English

This is the main product document for model 25E3. Additionally, the document applies to other Vanguard models: 202110120125

The file format is pdf, 28 pages, you can download this manual here .

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Parts ManualParts ManualParts ManualParts Manual
Mfg. No: 25E330-0027-G1
Copyright © Briggs & Stratton. All Rights reserved
04-Sep-2025
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Table Of ContentsTable Of ContentsTable Of ContentsTable Of Contents
Model ComponentsModel ComponentsModel ComponentsModel Components PagePagePagePage
Air Cleaner Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Blower Housing Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Controls Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Crankcase Cover/Sump Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Crankshaft Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Cylinder Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Cylinder Head Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Exhaust Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Flywheel, Ignition, and Starter Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Fuel Supply Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Lubrication Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Throttle Body Group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
3 04-Sep-2025
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Air Cleaner GroupAir Cleaner GroupAir Cleaner GroupAir Cleaner Group
Mfg. No: 25E330-0027-G1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
4 04-Sep-2025
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Air Cleaner GroupAir Cleaner GroupAir Cleaner GroupAir Cleaner Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
11 84008291 1 TUBE, Breather
163 84008016 1 GASKET, Air Cleaner
185 590692 2 NUT
-(Air Cleaner Base)
265A ----- 1 CLAMP, Casing
-(Part information located in Controls Group.)
267A ----- 1 SCREW
-(Part information located in Controls Group.)
445 84002310 1 FILTER, A/C Cartridge
467 84004159 1 KNOB, Air Cleaner Cover
467A 596759 1 KNOB, Air Cleaner Cover
534 84004256 1 SCREW
-(Air Cleaner)
536 84004266 1 CLEANER, Air
875 84004267 1 BASE, Air Cleaner
968 84004278 1 COVER, Air Cleaner
1406 84007679 1 VALVE, Debris
1453 84004276 1 SEAL, Air Cleaner Cover
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
5 04-Sep-2025
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Blower Housing GroupBlower Housing GroupBlower Housing GroupBlower Housing Group
Mfg. No: 25E330-0027-G1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
6 04-Sep-2025
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Blower Housing GroupBlower Housing GroupBlower Housing GroupBlower Housing Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
304 84004566 1 HOUSING, Blower
305 597078 5 SCREW
-(Blower Housing)
1036 ----- 1 LABEL, Emissions
-(Available From A Briggs & Stratton Authorized Service Dealer)
1319 278911GS 1 LABEL, Warning
-(Required When Replacing Parts With Warning Labels Affixed)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
7 04-Sep-2025
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Controls GroupControls GroupControls GroupControls Group
Mfg. No: 25E330-0027-G1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
8 04-Sep-2025
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Controls GroupControls GroupControls GroupControls Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
265A 84004472 1 CLAMP, Casing
267A 84004279 1 SCREW
-(Casing Clamp)
318 597078 2 SCREW
-(Mounting Bracket)
493 84007705 1 BRACKET, Mounting
604B 84007702 1 COVER, Control
789B 84007636 1 HARNESS, Wiring
1413 84008017 1 SENSOR, Speed
1486 84008320 1 SENSOR, Temperature/Manifold Absolute
1488 593899 1 COVER, Diagnostic
1500 84007771 1 MODULE, Electronic Control
-(Not Programmed)
1574 84007703 1 SCREW
-(Ground Wire)
1618 84008018 1 BRACKET, Speed Sensor
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
9 04-Sep-2025
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Crankcase Cover/Sump GroupCrankcase Cover/Sump GroupCrankcase Cover/Sump GroupCrankcase Cover/Sump Group
Mfg. No: 25E330-0027-G1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
10 04-Sep-2025
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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.)
18 84007688 1 COVER, Crankcase
20 84004101 1 SEAL, Oil
-(PTO Side)
22 84004103 7 SCREW
-(Crankcase Cover/Sump)
186B 84007494 1 CONNECTOR, Hose
718A ----- 2 PIN, Locating
-(Part information located in Cylinder Group.)
850 ----- 1 SEALANT, Liquid
-(Part information located in Cylinder Group.)
1548 84004100 1 BEARING, Ball
-(Crankcase Cover/Sump)
1549 ----- 1 BEARING, Ball
-(Part information located in Crankshaft Group.)
1575 ----- 1 SHIELD, Oil
-(Part information located in Lubrication Group.)
1576 ----- 1 SCREW
-(Part information located in Lubrication Group.)
1620 84008367 1 GASKET SET, Crankcase
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
11 04-Sep-2025
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Crankshaft GroupCrankshaft GroupCrankshaft GroupCrankshaft Group
Mfg. No: 25E330-0027-G1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
12 04-Sep-2025
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Crankshaft GroupCrankshaft GroupCrankshaft GroupCrankshaft Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
16 84007656 1 CRANKSHAFT
24 596976 1 KEY, Flywheel
25 84005038 1 PISTON ASSEMBLY
-(Standard)
25 84005037 1 PISTON ASSEMBLY
-(.020" Oversize)
26 84004091 1 SET, Ring
-(Standard)
26 84004097 1 SET, Ring
-(.020" Oversize)
28 84005039 1 PIN, Piston
29 84005041 1 ROD, Connecting
46 84005044 1 CAMSHAFT
758 84006678 1 COUNTERWEIGHT
1549 84003459 1 BEARING, Ball
-(Crankshaft)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
13 04-Sep-2025
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Cylinder GroupCylinder GroupCylinder GroupCylinder Group
Mfg. No: 25E330-0027-G1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
14 04-Sep-2025
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Cylinder GroupCylinder GroupCylinder GroupCylinder Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
3 84004101 1 SEAL, Oil
-(Magneto Side)
15 84004108 2 PLUG, Oil Drain
17 84004100 1 BEARING, Ball
-(Cylinder)
20 ----- 1 SEAL, Oil
-(Part information located in Crankcase Cover/Sump Group.)
306A 84007704 1 SHIELD, Cylinder
586 ----- 1 NUT
-(Part information located in Lubrication Group.)
718 84004120 2 PIN, Locating
718A 590713 2 PIN, Locating
799 ----- 2 SCREW
-(Part information located in Lubrication Group.)
850 100106 1 SEALANT, Liquid
1052 ----- 1 SENSOR, Oil
-(Part information located in Lubrication Group.)
1620 ----- 1 GASKET SET, Crankcase
-(Part information located in Crankcase Cover/Sump Group.)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
15 04-Sep-2025
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Cylinder Head GroupCylinder Head GroupCylinder Head GroupCylinder Head Group
Mfg. No: 25E330-0027-G1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
16 04-Sep-2025
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Cylinder Head GroupCylinder Head GroupCylinder Head GroupCylinder Head Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
5 84005042 1 HEAD, Cylinder
7 84008086 1 GASKET, Cylinder Head
13 84004122 4 SCREW
-(Cylinder Head)
21 84006593 1 CAP, Oil Fill
33 84004114 1 VALVE, Exhaust
34 84004113 1 VALVE, Intake
35 84004112 2 SPRING, Valve
-(Intake)
36 84004112 2 SPRING, Valve
-(Exhaust)
42 84004116 4 KEEPER, Valve
45 84004130 2 TAPPET, Valve
51 84008015 1 GASKET, Intake
51A 84008014 1 GASKET, Intake
163 ----- 1 GASKET, Air Cleaner
-(Part information located in Air Cleaner Group.)
192 84006535 2 ADJUSTER, Rocker Arm
238 84006534 2 CAP, Valve
306 84004123 1 SHIELD, Cylinder
307 597078 1 SCREW
-(Cylinder Shield)
337 792015 1 PLUG, Spark
383 19576S 1 WRENCH, Spark Plug
553 84004117 2 RETAINER, Valve Spring
553A 84004118 1 RETAINER, Valve Spring
580 809894 1 SEAL, O-Ring
-(Oil Fill Cap)
718 ----- 2 PIN, Locating
-(Part information located in Cylinder Group.)
868 84004111 1 SEAL, Valve
883 ----- 1 GASKET, Exhaust
-(Part information located in Exhaust Group.)
1022 84004126 1 GASKET, Rocker Cover
1023 84007696 1 COVER, Rocker
1026 84004129 2 ROD, Push
1029 84004110 2 ARM, Rocker
1034A 84005043 1 GUIDE, Push Rod
1630 84008366 1 GASKET SET, Valve
-(Service Kits can include parts not for this engine.)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
17 04-Sep-2025
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Exhaust GroupExhaust GroupExhaust GroupExhaust Group
Mfg. No: 25E330-0027-G1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
18 04-Sep-2025
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Exhaust GroupExhaust GroupExhaust GroupExhaust Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
883 84004409 1 GASKET, Exhaust
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
19 04-Sep-2025
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Flywheel, Ignition, and Starter GroupFlywheel, Ignition, and Starter GroupFlywheel, Ignition, and Starter GroupFlywheel, Ignition, and Starter Group
Mfg. No: 25E330-0027-G1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
20 04-Sep-2025
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Flywheel, Ignition, and Starter GroupFlywheel, Ignition, and Starter GroupFlywheel, Ignition, and Starter GroupFlywheel, Ignition, and Starter Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
23 84007698 1 FLYWHEEL
332 591988 1 NUT
-(Flywheel)
333 84008011 1 ARMATURE, Magneto
363 19203 1 PULLER, Flywheel
455 84007699 1 CUP, Flywheel
725 84007700 1 SHIELD, Heat
1005 84004286 1 FAN, Flywheel
1563 ----- 1 COVER, Flywheel
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
21 04-Sep-2025
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Fuel Supply GroupFuel Supply GroupFuel Supply GroupFuel Supply Group
Mfg. No: 25E330-0027-G1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
22 04-Sep-2025
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Fuel Supply GroupFuel Supply GroupFuel Supply GroupFuel Supply Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
51 ----- 1 GASKET, Intake
-(Part information located in Cylinder Head Group.)
186B 84007494 1 CONNECTOR, Hose
186C 84008314 1 CONNECTOR, Hose
187G 84008310 1 LINE, Fuel
187H 84008311 1 LINE, Fuel
240 845125 1 FILTER, Fuel
240A 84007607 1 FILTER, Fuel
387A 597338 1 PUMP, Fuel
461 84008313 1 HOSE, Gaseous Fuel
461A 84008316 1 HOSE, Gaseous Fuel
461B 84008309 1 HOSE, Gaseous Fuel
601 791850 2 CLAMP, Hose
601A 593879 1 CLAMP, Hose
788A 84008317 1 BRACKET, Fuel Pump
1011 84008315 1 TUBE, Vent
1480 84007731 1 INJECTOR, Fuel
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
23 04-Sep-2025
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Lubrication GroupLubrication GroupLubrication GroupLubrication Group
Mfg. No: 25E330-0027-G1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
24 04-Sep-2025
background
Lubrication GroupLubrication GroupLubrication GroupLubrication Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
186B 84007494 1 CONNECTOR, Hose
522 84004104 1 PLUG, Dipstick/Fill
523 84007691 1 DIPSTICK
524 84007689 1 SEAL, O-Ring
-(Dipstick Tube)
586 84004724 1 NUT
-(Oil Sensor)
799 84004128 2 SCREW
-(Oil Sensor)
847 84007690 1 DIPSTICK/TUBE ASSEMBLY
1052 84004948 1 SENSOR, Oil
1575 84004192 1 SHIELD, Oil
1576 597036 1 SCREW
-(Oil Shield)
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
25 04-Sep-2025
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Throttle Body GroupThrottle Body GroupThrottle Body GroupThrottle Body Group
Mfg. No: 25E330-0027-G1
Not For
Reproduction
Copyright © Briggs & Stratton. All Rights reserved
26 04-Sep-2025
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Throttle Body GroupThrottle Body GroupThrottle Body GroupThrottle Body Group
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
51 ----- 1 GASKET, Intake
-(Part information located in Cylinder Head Group.)
51A ----- 1 GASKET, Intake
-(Part information located in Cylinder Head Group.)
53 84004315 1 STUD
-(Carburetor) (Short)
53A 84004311 1 STUD
-(Carburetor) (Long)
789B ----- 1 HARNESS, Wire
-(Part information located in Controls Group.)
1482 84008319 1 BODY, Throttle
1617 84008318 1 SPACER, Throttle Body
Not For Reproduction
Copyright © Briggs & Stratton. All Rights reserved
27 04-Sep-2025
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Copyright © Briggs & Stratton. All Rights reserved
04-Sep-2025

Specifications

Vanguard 25E3 Questions and Answers

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