Parts Diagram | ## | Part # | Description | Qty | Notes |
| 1 | 420812625 | Timing/drive cover assembly. includes 1 to 4 | 1 | |
2 | 420641317 | Plug screw M20 X 1.5 | 4 | |
3 | 420232480 | Needle bushing | 1 | |
4 | 420650310 | Oil seal | 1 | |
5 | 420650370 | Rotary seal | 1 | |
6 | 420956950 | Oil sieve | 1 | |
7 | 420641228 | Flanged torx screw M6 x 85 | 11 | |
8 | 420853414 | Clamp | 1 | |
9 | 420641258 | Flanged torx screw M6 x 35 | 10 | |
10 | 420256606 | Valve seat sleeve | 1 | |
11 | 420256630 | Piston valve | 1 | |
12 | 420939410 | Compression spring | 1 | |
13 | 420641052 | Plug screw M20 X 1.5 | 1 | |
14 | 420230890 | O-ring | 1 | |
15 | 420837472 | Pump shaft assembly | 1 | |
16 | 420956675 | Oil pump rotor 16 mm | 1 | |
17 | 420929070 | Needle pin | 2 | |
18 | 420811590 | Oil pump cover | 1 | |
19 | 420641048 | Flanged torx screw M6 x 16 | 3 | |
20 | 420922801 | Impeller | 1 | |
21 | 420922686 | Water pump housing assembly. includes 21 to 22 | 1 | |
22 | 420950840 | Gasket | 1 | |
23 | 420641238 | Flanged torx screw M6 x 25 | 6 | |
24 | 420641338 | Torx flanged screw M6 x 105 | 2 | |
25 | 420956741 | Oil filter | 1 | |
26 | 420610329 | Oil filter cover | 1 | |
27 | 420230920 | O-ring | 1 | |
28 | 420850500 | O-ring | 1 | |
29 | 420641105 | Hex. screw M8 x 140.5 | 1 | |
30 | 420950860 | O-ring | 1 | |
31 | 420889721 | Stator plate | 1 | |
32 | 420296900 | Magneto flywheel | 1 | |
33 | 420641258 | Flanged torx screw M6 x 35 | 3 | |
34 | 420926300 | Retaining plate | 1 | |
35 | 420641048 | Flanged torx screw M6 x 16 | 2 | |
36 | 420664082 | Trigger wheel | 1 | |
37 | 420835160 | Starter gear, 86 teeth | 1 | |
38 | 420641016 | Hex. screw M8 x 20 | 6 | |
39 | 420931130 | Gasket | 1 | |
40 | 420966570 | Crank shaft position sensor | 1 | |
41 | 420641048 | Flanged torx screw M6 x 16 | 1 | |
42 | 420832753 | Ball bearing with bellows. includes 42 to 43 | 1 | |
43 | 420631610 | O-ring | 2 | |
44 | 420851653 | Gear clamp | 1 | |
45 | 420853023 | Gear clamp | 1 | |
46 | 420922822 | Formed hose | 1 | |
47 | 420851683 | Gear clamp | 2 | |
b | 293800060 | Loctite 243, 10 ML | 1 | |
n | 413707000 | Dow corning 111, 150 g | 1 | |
o | xxx | Engine oil | 1 | |
p | 293800081 | Loctite 5910, 300 ML | 1 | |