| Pos | Part no. | Qty | Description | Callout |
|---|---|---|---|---|
| 10 | 397775 | 8 | Cylinder head | 1 |
| 20 | 570082 | 8 | Cylinder head | |
| 30 | 1521210 | 8 | Valve guide | 2 |
| 40 | 1521209 | 8 |
exhaust
Valve guide
|
3 |
| 50 | 289517 | 8 | Valve seat insert | 4 |
| 60 | 289518 | 8 | Valve seat insert | |
| 70 | 372972 | 8 | Valve seat insert | 5 |
| 80 | 372973 | 8 | Valve seat insert | |
| 90 | ||||
| 100 | 1304293 | 16 | Seal | 6 |
| 110 | 352211 | 8 | Intake valve | 7 |
| 120 | 1116987 | 8 | Exhaust valve | 8 |
| 130 | 1385563 | 16 | Valve spring collar | 9 |
| 140 | 1728922 | 8 |
intake
Valve spring
|
10 |
| 150 | 1728926 | 8 |
exhaust
Valve spring
|
|
| 160 | 269570 | 8 |
exhaust
Valve spring
|
|
| 170 | 1728921 | 8 |
intake
Valve spring
|
11 |
| 180 | 1728925 | 8 |
exhaust
Valve spring
|
|
| 190 | 269569 | 8 |
exhaust
Valve spring
|
|
| 200 | 1395189 | 8 |
intake
Valve spring collar
|
12 |
| 210 | 1395190 | 8 |
exhaust
Valve spring collar
|
|
| 220 | 1501351 | 32 | Split collet | 13 |
| 230 | 1371619 | 16 | Valve stem cap | 14 |
| 240 | 170057 | 16 | Screw | 15 |
| 250 | 1103519 | 16 | Washer | 16 |
| 260 | 384433 | 8 | Bearing bracket | 17 |
| 270 | 1102309 | 8 | Rocker arm | 18 |
| 280 | 1100675 | 8 | Bearing bush | 19 |
| 290 | 804781 | 16 | Retaining ring | 20 |
| 300 | 384434 | 8 | Bearing bracket | 21 |
| 310 | 1102308 | 8 | Rocker arm | 22 |
| 320 | 1100675 | 8 | Bearing bush | 23 |
| 330 | 342341 | 32 | Spiral pin | 24 |
| 340 | 388422 | 16 | Gasket | 25 |
| 350 | 1481810 | 16 | Adjusting screw | 26 |
| 360 | 2902413 | 16 | Hexagon nut | 27 |
| 370 | 170056 | 48 | Screw | 28 |
| 380 | 157287 | 48 | Washer | 29 |
| 390 | ||||
| 400 | 372490 | 8 | Cover | 30 |
| 410 | 372490 | 7 | Cover | |
| 420 | 1399088 | 1 | Pipe | 31 |
| 430 | 1445290 | 8 | Gasket | 32 |
| 440 | 812535 | 16 | Screw | 33 |
| 450 | 812535 | 15 | Screw | |
| 460 | 812536 | 1 | Flange screw | 34 |
| 470 | 804939 | 16 | Pin | 35 |
| 480 | 811791 | 16 | Pin | 36 |
| 490 | 804940 | 16 | Pin | 37 |
| 500 | 1403587 | 8 | Cylinder head gasket | 38 |
| 510 | ||||
| 520 | 551469 | 8 | Gasket kit | |
| 530 | Cylinder head | |||
| 540 | 551370 | 1 | General overhaul kit |