| pos. | decription | spare part number | |
| 1 | Cylinder Head | 12 318 15 |
| 2 | Lifter-Valve | 12 351 20 |
| 3 | Rod-Push (Only On: 72042, 72063, 72062, 72043) | 12 411 01 |
| 4 | Gasket-Cylinder Head | 12 041 10 |
| 5 | Valve-Intake STD (Only On: 72042, 72063, 72062, 72043) | 12 017 01 |
| 5 | Valve-Intake .25 (Only On: 72043, 72042, 72063, 72062) | 12 017 02 |
| 6 | Valve-Exhaust STD (Only On: 72042, 72063, 72062, 72043) | 12 016 01 |
| 6 | Valve-Exhaust .25 (Only On: 72042, 72063, 72062, 72043) | 12 016 02 |
| 7 | Spacer-Head Bolt Exhaust (Only On: 72042, 72063, 72062, 72043) | 12 112 13 |
| 8 | Screw M10x1.5x80 (Only On: 72042, 72063, 72062, 72043) | 12 086 15 |
| 9 | Plug-Pipe | X-75-23 |
| 10 | Cap-Valve Spring (Only On: 72042, 72063, 72062, 72043) | 12 173 01 |
| 11 | Kit-Retainer (Only On: 72042, 72063, 72062, 72043) | 12 755 03 |
| 12 | Spring-Valve Intake (Only On: 72042, 72063, 72062, 72043) | 12 089 01 |
| 13 | Clamp-Hose | X-426-9 |
| 14 | Hose-Breather (Only On: 72042, 72063, 72062, 72043) | 12 326 03 |
| 15 | Washer-Flat (Only On: 72042, 72063, 72062, 72043) | 12 468 05 |
| 16 | Screw-HH M6 x 1.0 x 20 | M-0645020 |
| 17 | Cover-Valve W/Nipple (Only On: 72042, 72063, 72062, 72043) | 12 096 07 |
| 18 | Screw M6x1.0x34 (Only On: 72042, 72063, 72062, 72043) | M-0640034 |
| 19 | Pivot-Rocket Arm | 12 599 03 |
| 20 | Arm-Rocker | 25 186 01 |
| 22 | Screw M5x0.8x10 (Only On: 72042, 72063, 72062, 72043) | M-0545010 |
| 23 | Retainer-Breather Reed (Only On: 72042, 72063, 72062, 72043) | 12 018 01 |
| 24 | Reed-Breather | 24 402 02 |
| 25 | Retainer-Spring | 235011 |
| 26 | Seal-Valve Stem (Only On: 72103, 72083) | 24 032 05 |
| Kit-Cylinder Head (Incl. 3-12,17-20 25 & 26) | 12 755 63 |
