Briggs & Stratton; Engine-Model - Craftsman 917.270312 Owner's Manual

TRACTOR --
MODEL NUMBEB 917,270312
BRIGGS & STRATTON ENGINE-MODEL NUMBER 289707, TYPE NUMBER 1!79-E1
KEY PART
NO. NO.
1 496413
2 399265
3 391086
5 494240
7 271866
8 495735
9 27803
10 94621
11 280100
12 271916
I3
15
t6
t8
20
22
23
24
25
26
27
28
29
32
33
34
35
36
37
40
41
42
45
46
271997
271996
84622
94239
498971
484238
291675
94624
492326
222698
394661
394662
394663
394664
391780
392331
391781
391782
391783
263129
299691
391286
490348
490468
94671
262246
262247
65906
26828
224502
221596
292260
494553
262248
212897
KEY PART
DESCRIPTION NO. NO, DESCRIPTION
Cylinder Assembly 51 272465 0. Gasket, Carburetor (to ELbow)
Beadng, Cylinder (Requires 52 272554 & Gasket, Carburetor
Special Tools For tnslallatton) 53 94637 Stud, Carburetor Mounting
* Seal, Oil 73 224517 Screen, Rotating
Head, Cylinder 75 224061 Washer, Spring
& Gasket, Cylinder Head 78 94626 Screw, Seres
BreatherAssembty 93 281346 Bushing, Throttle Shaft
& Gasket, Valve Cover 94 488030 Valve, Needle
Screw,Sems 95 94098 • Screw, Throttle
Tube, Breather 98 495800 Screw, Idle Speed
• Gasket, Crankcase Cover 104 231789 • Pin, Float Hinge
1/64" 105 231855 • Valve Assembly, _nletNeedle
* Gasket. Crankcase Cover 106 231854 Inlet, Valve Seat
,005" 108 224540 Valve, Choke
" Gasket, Crankcase Cover 1t0 225137 Washer, Flat
,.009"
I21 499220 Carburetor Overhaul Kit
Screw, Cylinder Head 123 94913 Screw, Elbow Mounting
Plug, 0it Drain
Crankshaft 125 498027 Carburetor Assembly
Base, Engine 127 _- - Plug, Welch (acid in Kit Onty)
" Seat, O{t 130 224539 Valve, Throttle
131 494379 Shaft and Lever, Throttle
Screw, Seres, Base Mounting 133 494381 Float, Carburetor
Flywheel and Ring Gear
Assembly', Magneto 137 281165 _, Gasket, FtoatBowi
Key, Flywheel t38 281164 0. Washer, Float Bowl Screw
141 495831 Shall and Lever, Choke
Piston Assembly, Standard
PtstonAssembty ,010" 142 497566 • Nozzle/Jet, Carburetor
Oversize 146 94196 Key, Timing Gear
PislonAssembfy .020" 164 213819 Intake, Elbow
Oversize 171 281051 Nut, Air Cleaner Mounting
Piston Assembly 030" 186 493496 Connector, Hose
Oversize 187 296004 Llne, Fuel
Ring Set, Piston, Standard Size 188 94627 Screw, Seres
Ring Sol, Piston, Chrome, 20t 26276}' Link, Governor
Standard 209 260871 Spring, Governor
Rlng Set, Piston .010" Oversize 216 262766 Link,Choke
Ring Set, Piston .020" Oversize 219 490815 Oil Slinger, Governor Gear and
Ring Set, Ptsten ,030" Oversize Bracket Assembly
Lock, Piston Pin 222 4956tl Plate, Governor Control
Pin Assembly, Piston,Standard 224 94513 Screw, Seres, Air CIeaner
PinAssy, Piston .005" 225 495167 Crank, Governor
Oversize 227 493935 Lever Assembly, Governor
Red Assembly. Connecting 230 94927 Washer, GovemorCrank
Rod Assembly, Connecting, 232 262785 Spring, Governor Llnk
020" Undersize Crankpin Bore 240 394358 Filter, Fuel
Screw, Connecting Rod 265 221535 Clamp, Casing
Valve, Exhaust
Valve. Intake Included in Gasket Set (494241)
Spdng, Intake Valve • Included In Carburetor Overhaul Kit(499220)
Spdng, Exhaust Valve 0 Included tn Carburetor Gasket Set (494385)
Guard, Flywhee! A Included In Valve Overhaui Gasket Set
Retainer, Intake VaNe (498539)
Rotocolt, Exhaust Valve
Retainer, Exhaust Valve NOTE: All component dimensions given in U S. inches
Rotocofl 1 inch= 2&4 mm
Tappet, Valve
Gear, Cam
53