Craftsman 917.273753 Owner's Manual page 52

TRACTOR - - MODEL NUMBER 917.273753
BRIGGS ENGINE-MODEL NUMBER 31 H777, TYPE NUMBER 0202-E1
KEY PART KEY PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION
1 697174 Cylinder Assembly 108 690464
2 399265 Kit-Bushing/Seal (Magneto Side) 108A 692344
3 391086 • Seal-Oil (Magneto Side) 117 694352
4 697188 Sump-Engine 118 692411
5 690188 Head-Cylinder 121 697241
7 692410 .+ Gasket-Cylinder Head 125 697190
9 697109 • Gasket-Breather 127 695005
10 697157 Screw (Breather Assembly) 130 691750
11 697113 Tube-Breather 131 494379
12 697110 • Gasket-Crankcase 133 494381
13 690360 Screw (Cylinder Head) 137 281165
15 690946 Plug-Oil Drain 14! 495097
16 697127 Crankshaft 141A 495931
20 690947 • Seal-Oil (PTO Side) 142 697140
22 692125 Screw (Crankcase Cover/Sump) 146 691639
23 693557 Flywheel 186 692317
24 222698 Key-Flywheel 187 691050
25 697552 Piston Assembly (Standard) 188 691693
697555 Piston Assembly (.010" Oversize) 192 691986
697556 Piston Assembly (.020" Oversize) 202 691841
697557 Piston Assembly (.030" Oversize) 209 692208
26 697553 Ring Set (Standard) 216 691840
697558 Ring Set (.010" Oversize) 222 694042
697559 Ring Set (.020" Oversize) 227 69! 374
697560 Ring Set (.030" Oversize) 231 691636
27 697100 Lock-Piston Pin 232 691842
28 697099 Pin-Piston 238 691843
29 697126 Rod-Connecting (Standard) 240 298090
697263 Rod-Connecting (.020" Undersize) 265 691024
32 692852 Screw (Connecting Rod) 267 695134
33 495856 Valve-Exhaust 276 692255
34 495857 Valveqntake 304 697663
35 691279 Spring-Valve (Intake) 305 697102
36 691279 Spring-Valve (Exhaust) 305A 697103
37 697108 Guard-Flywheel 306 697107
40 691752 Retainer-Valve 307 691003
43 691968 Slinger-Governor/Oil 309 693551
45 690564 Tappet-Valve 309A ........
46 693450 Camshaft
48 Short Block (31H777-0202-E2 Re- 310 690323
placement Engine-art and Short 311 497608
Block not available at this time) 311A 395538
50 690193 Manifold-Intake 333 495859
51 692137 .O_:+ Gasketqntake 334 691061
53 690227 Stud (Carburetor) 337 691043
54 691148 Screw (Intake Manifold) 358 697191
73 697133 Screen-Rotating 363 19203
74 94986 Screw (Rotating Screen)
75 690582 Washer (Flywheel)
78 691003 Screw (Flywheel Guard)
89 690283 Plug-Oil
93 690602 _ Bushing-Throttle Shaft
94 498030 Kit-idle Mixture
95 691636 Screw (Throttle Valve) +
98 495800 Kitqdle Speed
104 690525 O Pin-Float Hinge
105 231855 O Valve-Float Needle
106 690577 _ Seat-Inlet
Valve-Choke (Manua! Choke)
Valve-Choke (Choke A Mat!c)
O Jet-Main (Standard)
Jet-Main (High Altitude)
Kit-Carburetor Overhaul
Carburetor
Plug-Welch
Valve-Throttle
Kit-Throttle Shaft
Float-Carburetor
US Gasket-Float Bowl
Kit-Choke Shaft (Manual Choke)
Kit-Choke Shaft (Choke A Matic)
O Nozzle-Carburetor
Key-Timing
Connector-Hose
Line-Fue! (Cut to Required Length)
Screw (Control Bracket)
Adjuster-Rocker Arm
Link-Mechanical Governor
Spring-Governor
Link-Choke
Bracket-Control
Lever-Governor Control
Screw (Choke Valve)
Spring-Governor
Cap-Valve
Filter-Fuel
Clamp-Casing
Screw (Casing Clamp)
05 Washer-Sealing
Housing-Blower
Screw (Blower Housing)
Screw (Blower Housing)
Shield-Cylinder
Screw (Cylinder Shield)
Motor-Starter
Motor-Starter (For Replacement
Starter Motor, See Reference 309)
Bolt (Starter Motor)
Brush Set
Brush Set
Armature-Magneto
Screw (Magneto Armature)
Plug-Spark
Gasket Set-Engine
Flywheel Puller
RPM Settings: Low Speed: 1900-
2100 High Speed: 3000-3200
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