Craftsman 917.274751 Owner's Manual page 51

TRACTOR -- MODEL NUMBER 917.274751
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
98A 695408 Kit-Idle Speed (Nikki) O
104 690525 O Pin-Float Hinge
104A 694918 O Pin-Float Hinge (Nikki) $
105 231855 O Valve-Float Needle
105A 696136 O Valve-Float Needle (Nikki) +
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
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
51