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TRACTOR - MODEL NO. YTH2042
BRIGGS AND STRATTON
ENGINE-
MODEL 31 P977 NUMBER 0575-E1
KEY
PART
KEY
PART
NO.
NO.
DESCRIPTION
NO.
NO.
DESCRIPTION
1
697174
Cylinder Assembly
130
792747
Valve-Throttle
2
399265
Kit-Bushing!Seal
(Magneto Side)
131
792765
Kit-Throttle Shaft
3
391086s
•
Seal-Oil (Magneto Side)
133
694914
Float-Carburetor
4
697188
Sump-Engine
135
698780
Tube-Fuel Transfer
5
792770
Head-Cylinder
137
698781
G
Gasket-Float Bowl
7
699168
,+
Gasket-Cylinder
Head
141
792777
Kit-Choke Shaft
9
697109
•
Gasket-Breather
146
691639
Key-Timing
11
697113
Tube-Breather
187
791805
Line-Fuel
12
697110
•
Gasket-Crankcase
188
691693
Screw (Control Bracket)
13
690360
Screw (Cylinder Head)
192
691986
Adjuster-Rocker
Arm
15
690946
Plug-Oil Drain
202
691841
Link-Mechanical
Governor
16
697127
Crankshaft
209
692208
Spring-Governor
20
690947
•
Seal-Oil (PTO Side)
216
691840
Link-Choke
22
692125
Screw (Crankcase Cover/Sump)
222
694042
Bracket-Control
23
693557
Flywheel
227
691374
Lever-Governor Control
24
222698s
Key-Flywheel
232
691842
Spring-Governor
25
791937
Piston Assembly (Standard)
238
691843
Cap-Valve
26
791936
Ring Set (Standard)
240
394358s
Filter-Fuel
27
698469
Lock-Piston Pin
265
691024
Clamp-Casing
28
697099
Pin-Piston
267
695134
Screw (Casing Clamp)
29
791631
Rod-Connecting
276
695410
O
Washer-Sealing
32
791118
Screw (Connecting Rod)
304
698599
Housing-Blower
33
791934
Valve-Exhaust
305
697102
Screw (Blower Housing)
34
791935
Valve-Intake
305A
697103
Screw (Blower Housing)
35
691279
Spring-Valve (Intake)
306
697107
Shield-Cylinder
36
691279
Spring-Valve (Exhaust)
307
691003
Screw (Cylinder Shield)
37
697352
Guard-Flywheel
309
693551
Motor-Starter
42
499586
Retainer-Valve
310
690323
Bolt (Starter Motor)
43
691968
Slinger-Governor/Oil
311
497608
Brush Set
45
690564
Tappet-Valve
333
492341
Armature-Magneto
46
791942
Camshaft
334
691061
Screw (Magneto Armature)
48
N/A
Short Block
337
491055s
Plug-Spark
50
690193
Manifold-Intake
358
697191
Gasket Set-Engine
51
692137
,G+ Gasket-Intake
363
19203
Flywheel Puller
53
690227
Stud (Carburetor)
383
89838s
Wrench-Spark
Plug
54
691148
Screw (Intake Manifold)
404
691691
Washer (Governor Crank)
73
697133
Screen-Rotating
415
690283
Plug
74
697897
Screw (Rotating Screen)
431
697122
Elbow-Intake
78
691003
Screw (Flywheel Guard)
445
698083
Filter-Air Cleaner Cartridge
94
695425
Kit-Idle Mixture
462
691261
Washer (Starter Cable)
95
690718
G
Screw (Throttle Valve)
474
696459
Alternator
98
695408
Kit-Idle Speed
503
691532
Strap-Starter
104
694918
O
Pin-Float Hinge
505
691251
Nut (Governor Control Lever)
105
696136
G
Valve-Float Needle
510
693699
Drive-Starter
108
695419
Valve-Choke
513
692024
Clutch-Drive
117
792296
Jet-Main (Standard)
523
699908
Dipstick
121
792369
Kit-Carburetor Overhaul
524
691032
•
Seal-Dipstick Tube
125
792768
Carburetor
525
697184
Tube-Dipstick
127
690727
G
Plug-Welch
544
692034
Starter-Armature
48
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