Parts Diagram | ## | Part # | Description | Qty | Notes |
| 1 | 420912203 | Fan housing | 1 | |
2 | 420945880 | Retaining ring | 1 | |
3 | 420244585 | Shim | 2 | |
4 | 405406100 | Ball bearing 6203 | 2 | |
5 | 420937940 | Fan shaft | 1 | |
6 | 420246015 | Woodruff key | 1 | |
7 | 420827650 | Distance sleeve | 1 | |
8 | 420980496 | Pulley half | 1 | |
9 | 420827080 | Shim 0.5 mm | 1 | |
| 420827082 | Shim 0.2 mm | 1 | |
10 | 420980523 | Protection washer | 1 | |
11 | 420866292 | Fan | 1 | |
12 | 420945756 | Lock washer 16 mm | 1 | |
13 | 420942285 | Nut M16 | 1 | |
14 | 414630800 | V-belt | 1 | |
15 | 420945751 | Lock washer 6 mm | 4 | |
16 | 205063044 | Socket head screw M6 x 30 | 4 | |
17 | 420975695 | Fan cover | 1 | |
18 | 570068200 | Rubber adaptor. MX Z 440 f | 1 | |
19 | 408803700 | Tridon gear clamp. MX Z 440 f | 1 | |
20 | 420810764 | Cylinder cowl exhaust side. MX Z 440 f | 1 | |
| 420811390 | Cylinder cowl exhaust side. MX Z 500 f. Formula dlx 500 f | 1 | |
21 | 420810792 | Cylinder cowl intake side. MX Z 440 f | 1 | |
| 420811395 | Cylinder cowl intake side. MX Z 500 f. Formula dlx 500 f | 1 | |
22 | 420240580 | Taptite screw M6 x 16. MX Z 440 f | 5 | |
23 | 417300005 | Spring nut | 8 | |
24 | 420810776 | Cylinder cowl. MX Z 440 f | 1 | |
| 420810603 | Cylinder cowl. MX Z 500 f. Formula dlx 500 f | 1 | |
25 | 420827817 | Cup washer | 4 | |
26 | 420960865 | Rubber washer | 4 | |
27 | 420227935 | Washer 8 mm | 4 | |
28 | 420945752 | Lock washer 8 mm | 4 | |
29 | 207181644 | Hex. screw M8 x 16 | 4 | |
30 | 420926180 | Washer | 6 | |
31 | 417300006 | Self tapping screw | 6 | |
32 | 420860940 | Clamp | 1 | |
33 | 420941250 | Taptite screw M6 x 20 | 1 | |
34 | 420240385 | Screw M6 x 12. MX Z 500 f. Formula dlx 500 f | 8 | |
35 | 572097800 | Inlet duct | 1 | |
36 | 509000058 | Air deflector | 1 | |
37 | 414979100 | Clip | 3 | |
38 | 572083900 | Outlet duct | 1 | |
39 | 415036500 | Seal | 1 | |
40 | 732900047 | Lock washer | 4 | |
41 | 365901100 | Screw | 4 | |
42 | 732601292 | Tapping screw | 3 | |
43 | 207151644 | Hex. screw M5 x 16 | 2 | |
44 | 517124300 | Washer | 4 | |
45 | 232551414 | Elastic stop nut M5 | 2 | |
46 | 517302183 | Clip | 1 | |