Craftsman 917.270760 - Manual (Page 55)

TRACTOR - - MODEL NUMBER 917.270760
BRIGGS & STRATTON ENGINE-MODEL NO. 407777 TYPE NO. 0121-E3
KEY PART
NO. NO.
1
2
3
4
5
5A
7
8
9
10
1 1
12
13
15
16
20
22
23
24
25
26
27
28
29
32
33
34
35
36
40
42
45
46
48
50
51
51A
53
54
73
74
75
89
95
98
104
105
108
117
690231
499585
391086
690069
499587
499595
690962
499601
690937
690960
690942
690945
690360
690946
691046
690947
690308
691053
222698
499588
499589
499590
499591
499604
499605
499606
499607
690975
499582
499583
690976
499596
499597
690963
690963
690964
499566
690977
690978
693893
690948
90949
690950
690951
690953
691055
691057
691056
690283
690718
499802
690984
690985
690986
690232
690989
DESCRIPTION
Cylinder Assembly
Bushing-Cylinder
★ Seal-Ofi
Sump-Engine
Head-Cylinder No. 1
Head-Cylinder No. 2
-A¥Qasket-(jylinder Head
Breather Assembly
★ Gasket-Breather
Screw (Breather Assy.)
Tube-Breather
■k Gasket-Crankcase
Screw (Cylinder Head)
Ptug-Oit Drain
Crankshaft
★ Seal-Oil (PTO Side)
Screw (Engine Sump)
Flywheel
Key-Flywheel
Piston Assembly (Std.)
Piston Assembly (.010 O.S.)
Piston Assembly (.020 O.S.)
Piston Assembly (.030 O.S.)
Ring Set-Piston (Std.)
Ring Set-Piston (.010 O.S.)
Ring Set-Piston (.020 O.S.)
Ring Set-Piston (.030 O.S.)
Lock-Piston Pin
Pin-Piston
Rod-Connectinq
Screw (Connecting Rod)
Valve-Exhaust
Valve-Intake
Spring-Valve (Intake)
Spring-Valve (Exhaust)
Retainer-Valve
Keeper-Valve
Valve Tappet
Cam Shaft
Short Block
Manifold-Intake
★ •♦Gasket-Intake
★ •★ Gasket-Intake
Stud (Carburetor)
Screw (Intake Manifold)
Screen-Rotating
Screw (Rotating Screen)
Washer (Flywheel)
Plug-Oil
Screw (Throttle Valve)
Idle Speed Kit
• Pin-Float Hinge
• Valve-Float Needle
Valve-Choke
• Jet-Main (Standard)
Jet-Main (High Altitude)
KEY PART
NO. NO.
121
1 2 2
125
130
131
133
135
137
141
142
146
150
160
163
187
499811
690952
499804
690993
499805
499806
499803
690994
499807
499808
94388
690995
690996
691001
691050
187 A 691049
188
690960
690083
690960
691018
691019
691020
691021
691022
394348
690412
691023
691048
690718
691035
690957
690956
691024
695134
690997
690097
690960
691004
691005
691262
691263
497608
691059
691060
691061
691043
499889
691062
192
197
209
2 1 1
212
213
216
219
220
222
227
231
240
250
252
265
267
276
278
287
304
305
309
310
311
332
333
334
337
358
363
DESCRIPTION
Carburetor Overhaul Kit
Spacer-Carburetor
Carburetor
Valve-Throttle
Throttle Shaft Kit
Float-Carburetor
Fuel Transfer Tube
•♦Gasket-Float Bowl
Choke Shaft Kit
• Nozzle-Carburetor
Key-Timing
•♦ Gasket-Nozzle
Retainer-Solenoid
★ ♦Gasket-Air Cleaner
Line-Fuel (Cut to Required
Length)
Line-Fuel
Screw (Control Bracket)
Adjuster-Rocker Arm
Screw (Back Plate)
Spring-Governor
Spring-Governed Idle
Link-Throttle
Bracket-Choke Control
Link-Choke
Gear-Governor
Washer (Governor Lever)
Bracket-Control
Control Lever-Governor
Screw {(¿hoke Valve)
Filter-Fuel
Retainer-Breather
Element-Breather
Clamp-Casing
Screw (Casing Clamp)
★ •♦Seating Washer
Washer (Gov. Control Lever)
Screw (Dipstick Tube)
Housing-Blower
Screw (Blower Housing)
Motor-Starter
Bolt-Starter Motor
Brush Set
Nut (Flywheel)
Armature-Magneto
Screw (Magneto Armature)
Spark Plug
Gasket Set
Flywheel Puller
★ Included in Engine Gasket Set, Ref. No. 358
• Included in Carburetor Overhaul Kit, Ref. No.
121
♦ Included in Carburetor Gasket Set, Ref. No.
977
♦ Included in Valve Overhaul Kit, Ref. No.
1033
NOTE; All component dimensions given in U.S.
inches 1 inch = 25.4 mm
55