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37
4P90JUB Crankcase
Ref.
Part Number Description
47 951-11499 Upper Crankshaft Seal
48 710-04916 Bolt M6×14
49 951-14456 Breather Cover Plate
50 951-12226 Breather Gasket
51 951-12685 Umbrella Valve
52 951-12227 Mesh Screen
53 951-12686 Umbrella Valve Set
54 951-12228 Choke Linkage
55 951-12229 Governor Arm Shaft
56 736-04558 Governor Washer
57 714-04074 Governor Cotter Pin
58 951-11574 Governor Seal
59 951-12230 Throttle Linkage
60 951-12231 Throttle Linkage Spring
62 951-12232 Governor Arm
63 710-04908 Governor Arm Bolt
64 712-04212 Governor Arm Nut M6
65 951-12233 Governor Spring
66 710-04979 Bolt M6×18
67 710-05310 Bolt M6×38
68 951-14457 Component Bracket/Separate
Ref.
Part Number Description
69 750-05530 Component Bracket Spacer
70 951-12235 Breather Hose Assembly
72 951-12236 Breather Hose Clamp
73 951-14462 Short Block Assembly
(Incl.37,47-53,55-58,73-77,84,86,87-89,
91-93,98-104,112,113,115-119,137-138,
144,160,172,173,175-178,183-186)
74 951-12237 Crankcase Cover Gasket
178 951-12275 Piston Ring Set
183 951-11953 Piston Pin Snap Ring
184 951-12276 Piston
185 951-11954 Piston Pin
186 951-12277 Connecting Rod Assembly
189 710-05319 Connecting Rod Bolt
197 951-12201 Gasket Kit - External
(Incl.113,130,136,137,138,114,160)
198 951-12204 Gasket Kit - Complete
(Incl.47,50,58,74,113,118,130,
136,137,138,144,160,172)
199 952Z4P90JUB Complete Engine