Buy Johnson parts database
Crankshaft & Piston
(1987) - J40ECUD
Parts Diagram | ## | Part # | Description | Qty | Notes |
| 1 | 0391798 | Piston assembly, Std | 2 | |
1 | 0396581 | Piston assembly, .030" o. s. includes piston rings | 2 | |
2 | 0391170 | Ring set, Std | 2 | |
2 | 0391416 | Ring set, .030 o. s | 2 | |
3 | 0317831 | Retaining ring | 4 | |
4 | 0395861 | Connecting rod assembly | 2 | |
5 | 0308186 | Screw, rod cap | 2 | |
6 | 0388344 | Retainer, rod bearing | 2 | |
7 | 0395627 | Bearing, wrist pin | 2 | |
8 | 0398529 | Roller bearing assembly | 1 | |
9 | 0321895 | Seal, crank shaft | 1 | |
10 | 0313754 | O-ring, upper bearing | 1 | |
11 | 0120395 | Key, flywheel | 1 | |
12 | 0328842 | Crank shaft | 1 | |
13 | 0310433 | Split sleeve, center bearing | 1 | |
14 | 0378252 | Retainer & needle assembly | 1 | |
15 | 0377139 | Bearing assembly | 1 | |
16 | 0305132 | Retaining ring | 1 | |
17 | 0308876 | O-ring, crankcase head | 1 | |
18 | 0395820 | Crankcase head assembly | 1 | |
19 | 0331103 | Seal | 1 | |
20 | 0551793 | Screw, crankcase head mtg | 4 | |
21 | 0322188 | Wrist pin | 2 | |
Parts catalog covers:
J40ECUD