Replacement Part List

51
178-LU Crankshaft & Crankcase
Ref.
Part Number Description
34 951-12066 Connecting Rod Assembly
35 710 -05319 Connecting Rod Bolt
38 951-12043 Piston
39 951-11632 Piston Pin Snap Ring
40 951-12044 Piston Pin
41 951-12387 Piston Ring Set
42 751-12068 Governor Gear/Shaft Assembly
43 951-12069 Radial Ball Bearing
44 736-04453 Washer 8×20×0.8
45 714-04077 Cotter Pin
46 951-11958 Governor Seal
47 951-12071 Governor Arm Shaft
48 951-05050 Crankshaft Kit
(Incl.43,48,59,74)
49 951-10307 Woodru Key
50 715-04102 Dowel Pin 9×12
51 715-04092 Dowel Pin 7×14
52 951-12072 Camshaft Assy.
53 951-11374 Crankcase Cover Gasket
54 736-04545 Washer 16×24×0.5
55 951-11283 Oil Fill Plug Assembly
56 951-11577 O-Ring 15.8×2.5
58 951-12395 Crankcase Cover
951-05049 Crankcase Cover Kit
(Incl.43,53,54,58-62)
Ref.
Part Number Description
59 951-12396 Oil Seal, 30×46×8
60 710-04971 Bolt M8×38
61 710-04972 Bolt M8×45
62 710-05052 Bolt M8×35
63 710-04968 Bolt M6×16
64 951-11320 Dipstick Clamp
65 710-05349 Bolt M6×8
67 951-11381 O-Ring
68 951-12073 Oil Fill Tube Assembly
69 951-11904 O-Ring, Dipstick
70 951-11971A Disptick Assembly
71 951-12398 Wire Clamp Rubber
72 951-05051 Crankcase Service Kit
(Incl.43,46,72,74)
951-05045 Shortblock Assembly
(Incl.34,38-48,50-62,71,74,90,
93,94,97,102,115,121-123)
73 951-12514 Oil Drain Plug
74 951-12400 Oil Seal 30×46×8
137 951-05048 Gasket Kit - External
(Incl.97,115,121-123)
138 951-05047 Gasket Kit - Complete
(Incl.46,53,59,74,94,97,
115,121-123)
139 952Z178-LU Complete Engine