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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 Cover/Sump)
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 oa:l:+ 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 Q
Screw (Throttle Valve (Nikki)
98
495800
Kit-Idle Speed
•
Included
98A
695408
Kit-Idle Speed (Nikki)
O
Included
104
690525 _9
Pin-Float Hinge
121
104A
694918 O
Pin-Float Hinge (Nikki)
:1:
Included
105
231855 O
Valve-Float Needle
977
105A
696136 (D
Valve-Float Needle (Nikki)
+
Included
O
Seat-Inlet
Valve-Choke (Manual Choke)
Valve-Choke (Nikki)
O
Jet-Main (Standard)
0
Jet-Main (Standard) (Nikki)
Jet-Main (High Altitude)
Jet-Main (High Altitude) (Nikko
Kit-Carburetor Overhaul
Kit-Carburetor Overhaul (Nikki)
Carburetor
Carburetor (For Complete
Carburetor, Service with
698445)
Plug-Welch
Q
Plug-Welch (Nikki)
Valve-Throttle
Valve-Throttle (Nikki)
Kit-Throttle Shaft
Kit-Throttle Shaft (Nikki)
Float-Carburetor
Float-Carburetor (Nikki)
Tube-Fuel Transfer
0:1:
Gasket-Float Bowl
G
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)
G:I:
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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