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TRACTOR - - MODEL NUMBER 917.274750
BRIGGS ENGINE-MODEL NUMBER 31P777, TYPE NUMBER 0299-E1
KEY PART KEY PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION
1 697174 Cylinder Assembly 106 690577
2 399265 Kit-Bushing/Seal (Magneto 108 690464
Side) 108A 695419
3 391086 • Seal-Oil (Magneto Side) 117 694352
4 697188 Sump-Engine 117A 699457
5 698147 Head-Cylinder 118 697228
7 699168 o+ Gasket-Cylinder Head 118A 699458
9 697109 • Gasket-Breather 121 697241
11 697113 Tube-Breather 121A 699521
12 697110 • Gasket-Crankcase 125 698445
13 690360 Screw (Cylinder Head) 125A
15 690946 Plug-Oil Drain
16 697127 Crankshaft
20 690947 • Seal-Oil (PTO Side) 127 695005
22 692125 Screw (Crankcase CovertSump) 127A 690727
23 693557 Flywheel 130 691750
24 222698 Key-Flywheel 130A 699500
25 699052 Piston Assembly (Standard) 131 494379
-- 699054 Piston Assembly (.020" 131A 699501
Oversize) 133 494381
26 699051 Ring Set (Standard) 133A 694914
-- 697559 Ring Set (.020" Oversize) 135 698780
27 698469 Lock-Piston Pin 137 281165
28 697099 Pin-Piston 137A 698781
29 697126 Rod-Connecting (Standard) 141 495097
-- 697263 Rod-Connecting (.020"
Undersize) 141A 698778
32 692852 Screw (Connecting Rod) 142 697140
33 695760 Valve-Exhaust 146 691639
34 695761 Valve-Intake 187 699331
35 691279 Spring-Valve (Intake) 188 691693
36 691279 Spring-Valve (Exhaust) 192 691986
37 697352 Guard-Flywheel 202 691841
40 690964 Retainer-Valve 209 692208
43 691968 Slinger-Governor/Oil 216 691840
45 690564 Tappet-Valve 222 694042
46 698492 Camshaft 227 691374
48 697762 Short Block 232 691842
50 690193 Manifold-Intake 238 691843
51 692137 oO5+ Gasket-intake 240 394358
53 690227 Stud (Carburetor) 265 691024
54 691148 Screw (Intake Manifold) 267 695134
73 697133 Screen-Rotating 276 692255
74 697897 Screw (Rotating Screen) 276A 695410
78 691003 Screw (Flywheel Guard) 304 699828
89 690283 Plug-Oil 305 697102
93 690602 O Bushing-Throttle Shaft 305A 697103
94 498030 Kit-Idle Mixture 306 697107
94A 695425 Kit-idle Mixture (Nikki) 307 691003
95 691636 Screw (Throttle Valve) 309 693551
95A 690718 O Screw (Throttle Valve (Nikki)
98 495800 Kit-idle Speed Included
98A 695408 Kit-Idle Speed (Nikki) O Included
104 690525 O Pin-Float Hinge 121
104A 694918 O Pin-Float Hinge (Nikki) $ Included
105 231855 O Valve-Float Needle 977
105A 696136 O Valve-Float Needle (Nikki) + Included
O Seat-inlet
Valve-Choke (Manual Choke)
Valve-Choke (Nikki)
O Jet-Main (Standard)
O Jet-Main (Standard) (Nikki)
Jet-Main (High Altitude)
Jet-Main (High Altitude) (Nikki)
Kit-Carburetor Overhaul
Kit-Carburetor Overhaul (Nikki)
Carburetor
Carburetor (For Complete
Carburetor, Service with
698445)
Plug-Welch
O Plug-Welch (Nikki)
Valve-Throttle
Valve-Throttle (Nikki)
Kit-Throttle Shaft
Kit-Throttle Shaft (Nikki)
Float-Carburetor
Float-Carburetor (Nikki)
Tube-Fuel Transfer
O5 Gasket-Float Bowl
O Gasket-Float Bowl (Nikki)
Kit-Choke Shaft (Manual
Choke)
Kit-Choke Shaft (Nikki)
O Nozzle-Carburetor
Key-Timing
Line-Fuel
Screw (Control Bracket)
Adjuster-Rocker Arm
Link-Mechanical Governor
Spring-Governor
Link-Choke
Bracket-Control
Lever-Governor Control
Spring-Governor
Cap-Valve
Filter-Fuel
Clamp-Casing
Screw (Casing Clamp)
O5 Washer-Sealing
Washer-Sealing
Housing-Blower
Screw (Blower Housing)
Screw (Blower Housing)
Shield-Cylinder
Screw (Cylinder Shield)
Motor-Starter
in Engine Gasket Set, Key. No. 358
in Carburetor Overhaul Kit, Key. No.
in Carburetor Gasket Set, Key. No.
in Valve Gasket Set, Key. No. 1095
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
53
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