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TRACTOR
- - MODEL
NUMBER
917.274762
BRIGGS & STRATTON
ENGINE-MODEL
NUMBER 31P777, TYPE NUMBER 0299-E1
KEY
PART
KEY
PART
NO.
NO.
DESCRIPTION
NO.
NO.
DESCRIPTION
1
697174
Cylinder Assembly
106
690577 O
Seat-Inlet
2
399265
Kit-Bushing/Seal
(Magneto Side)
108
690464
Valve-Choke (Manual Choke)
3
391086 °
Seal-Oil (Magneto Side)
108A
695419
Valve-Choke (Nikki)
4
697188
Sump-Engine
117
694352 G
Jet-Main (Standard)
5
698147
Head-Cylinder
117A
699457 O
Jet-Main (Standard) (Nikki)
7
699168 °+
Gasket-Cylinder
Head
118
697228
Jet-Main (High Altitude)
9
697109 °
Gasket-Breather
118A
699458
Jet-Main (High Altitude) (Nikki)
11
697113
Tube-Breather
121
697241
Kit-Carburetor Overhaul
12
697110 °
Gasket-Crankcase
121A
699521
Kit-CarburetorOverhaul
(Nikki)
13
690360
Screw (Cylinder Head)
125
698445
Carburetor
15
690946
Plug-Oil Drain
125A
Carburetor (For Complete
16
697127
Crankshaft
Carburetor,
20
690947 °
Seal-Oil (PTO Side)
Service with 698445)
22
692125
Screw (Crankcase Cover/Sump)
127
695005
Plug-Welch
23
693557
Flywheel
127A
690727 O
Plug-Welch (Nikki)
24
222698
Key-Flywheel
130
691750
Valve-Throttle
25
699052
Piston Assembly (Standard)
130A
699500
Valve-Throttle (Nikki)
--
699054
Piston Assembly (.020" Oversize)
131
494379
Kit-Throttle Shaft
26
699051
Ring Set (Standard)
131A
699501
Kit-Throttle Shaft (Nikki)
--
697559
Ring Set (.020" Oversize)
133
494381
Float-Carburetor
27
698469
Lock-Piston Pin
133A
694914
Float-Carburetor (Nikki)
28
697099
Pin-Piston
135
698780
Tube-Fuel Transfer
29
697126
Rod-Connecting (Standard)
137
281165 O:1: Gasket-Float Bowl
--
697263
Rod-Connecting (.020" Undersize)
137A
698781 O
Gasket-Float Bowl (Nikki)
32
692852
Screw (Connecting Rod)
141
495097
Kit-Choke Shaft (Manual Choke)
33
695760
Valve-Exhaust
141A
698778
Kit-Choke Shaft (Nikki)
34
695761
Valve-Intake
142
697140 (D
Nozzle-Carburetor
35
691279
Spring-Valve (Intake)
146
691639
Key-Timing
36
691279
Spring-Valve (Exhaust)
187
699331
Line-Fuel
37
697352
Guard-Flywheel
188
691693
Screw (Control Bracket)
40
690964
Retainer-Valve
192
691986
Adjuster-Rocker Arm
43
691968
Slinger-Governor/Oil
202
691841
Link-Mechanical Governor
45
690564
Tappet-Valve
209
692208
Spring-Governor
46
698492
Camshaft
216
691840
Link-Choke
48
697762
Short Block
222
694042
Bracket-Control
50
690193
Manifold-Intake
227
691374
Lever-Governor Control
51
692137 ,G:I:+ Gasket-Intake
232
691842
Spring-Governor
53
690227
Stud (Carburetor)
238
691843
Cap-Valve
54
691148
Screw (Intake Manifold)
240
394358
Filter-Fuel
73
697133
Screen-Rotating
265
691024
Clamp-Casing
74
697897
Screw (Rotating Screen)
267
695134
Screw (Casing Clamp)
78
691003
Screw (Flywheel Guard)
276
692255 Q:I:
Washer-Sealing
89
690283
Plug-Oil
276A
695410
Washer-Sealing
93
690602 G
Bushing-Throttle
Shaft
304
699828
Housing-Blower
94
498030
Kit-Idle Mixture
305
697102
Screw (Blower Housing)
94A
695425
Kit-Idle Mixture (Nikki)
305A
697103
Screw (Blower Housing)
95
691636
Screw (Throttle Valve)
306
697107
Shield-Cylinder
95A
690718 G
Screw (Throttle Valve (Nikki)
307
691003
Screw (Cylinder Shield)
98
495800
Kit-Idle Speed
309
693551
Motor-Starter
98A
695408
Kit-Idle Speed (Nikki)
104
690525 G
Pin-Float Hinge
°
Included in Engine Gasket Set, Key. No. 358
104A
694918 O
Pin-Float Hinge (Nikki)
G
Included in Carburetor Overhaul Kit, Key. No.
105
231855 G
Valve-Float Needle
121
105A
696136 O
Valve-Float Needle (Nikki)
:1:
Included in Carburetor Gasket Set, Key. No.
977
+
Included 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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