Owner`s manual

TRACTOR - - MODEL NUMBER 917.275640
BRIGGS ENGINE-MODEL NUMBER 31P777, TYPE NUMBER 0348-E1
KEY PART KEY PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION
1 697174 Cylinder Assembly 108 690464
2 399265 Kit-Bushing/Seal (MagnetoSide) 108A 692344
3 391086 • Seal-Oil (Magneto Side) 117 694352
4 697188 Sump-Engine 118 697228
5 698147 Head-Cylinder 121 697241
7 699168 o+ Gasket-Cylinder Head 125 698445
9 697109 • Gasket-Breather 127 695005
11 697113 Tube-Breather 130 691750
12 697110 • Gasket-Crankcase 131 494379
13 690360 Screw (Cylinder Head) 133 494381
15 690946 Plug-Oil Drain 137 281165
16 697127 Crankshaft 141 495097
20 690947 • Seal-Oil (PTO Side) 141A 495931
22 692125 Screw (Crankcase CoverSump) 142 697140
23 693556 Flywheel 146 691639
24 222698 Key-Flywheel 186 698174
25 699052 Piston Assembly (Standard) 187 697098
699054 Piston Assembly (.020" 187A 698417
Oversize) 188 691693
26 699051 Ring Set (Standard) 192 691986
697559 Ring Set (.020" Oversize) 202 691841
27 698469 Lock-Piston Pin 209 692208
28 697099 Pin-Piston 216 691840
29 697126 Rod-Connecting (Standard) 222 694042
697263 Rod-Connecting (.020" 227 691374
Undersize) 232 691842
32 692852 Screw (Connecting Rod) 238 691843
33 695760 Valve-Exhaust 240 691035
34 695761 Valve-Intake 265 691024
35 691279 Spring-Valve (intake) 267 695134
36 691279 Spring-Valve (Exhaust) 276 692255
37 697352 Guard-Flywheel 304 699829
42 691752 Keeper-Valve 305 697102
43 691968 Slinger-Governor/Oil 305A 697103
45 690564 Tappet-Valve 306 697107
46 698492 Camshaft 307 691003
48 697762 Short Block 309 693551
50 690193 Manifold-intake 310 690323
51 692137 oO5+ Gasket-Intake 311 497608
53 690227 Stud (Carburetor) 333 492341
54 691148 Screw (Intake Manifold) 334 691061
73 697133 Screen-Rotating 337 691043
74 697897 Screw (Rotating Screen) 356 697089
78 691003 Screw (Flywheel Guard) 358 697191
89 690283 Plug-Oil 363 19203
93 690602 O Bushing-Throttle Shaft
94 498030 Kit-Idle Mixture
95 691636 Screw (Throttle Valve) O
98 495800 Kit-Idle Speed
104 690525 O Pin-Float Hinge :l:
105 231855 O Valve-Float Needle
106 691780 O Seat-inlet +
Valve-Choke (Manual Choke)
Valve-Choke (Choke A Matic)
O Jet-Main (Standard)
Jet-Main (High Altitude)
Kit-Carburetor Overhaul
Carburetor
Plug-Welch
Valve-Throttle
Kit-Throttle Shaft
Float-Carbu retor
O5 Gasket-Float Bowl
Kit-Choke Shaft (Manual Choke)
Kit-Choke Shaft (Choke A Matic)
O Nozzle-Carburetor
Key-Timing
Connector-Hose
Line-Fuel
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
Housing-Blower
Screw (Blower Housing)
Screw (Blower Housing)
Shield-Cylinder
Screw (Cylinder Shield)
Motor-Starter
Bolt (Starter Motor)
Brush Set
Armature-Magneto
Screw (Magneto Armature)
Plug-Spark
Wire-Stop
Gasket Set-Engine
Flywheel Puller
Included in Engine Gasket Set, Key. No. 358
Included in Carburetor Overhaul Kit, Key. No.
121
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
52