| pos. | decription | spare part number | |
| 1 | Cylinder Head (Only On: 72042,72043,72062,72063) | 12_318_02 |
| 2 | Lifter-Valve (Only On: 72103) | 12_351_01 |
| 3 | Rod-Push (Only On: 72042,72043,72062,72063) | 12_411_01 |
| 4 | Gasket-Cylinder Head (Only On: 72042,72043,72062,72063) | 12_041_08 |
| 5 | Valve-Intake STD (Only On: 72042,72043,72062,72063) | 12_017_01 |
| 5 | Valve-Intake .25 (Only On: 72042,72043,72062,72063) | 12_017_02 |
| 6 | Valve-Exhaust STD (Only On: 72042,72043,72062,72063) | 12_016_01 |
| 6 | Valve-Exhaust .25 (Only On: 72042,72043,72062,72063) | 12_016_02 |
| 7 | Spacer-Head Bolt Exhaust (Only On: 72042,72043,72062,72063) | 12_112_13 |
| 8 | Screw M10x1.5x80 (Only On: 72042,72043,72062,72063) | 12_086_15 |
| 9 | Spring-Valve Exhaust (Only On: 72042,72043,72062,72063) | 12_089_15 |
| 10 | Cap-Valve Spring (Only On: 72103) | 12_173_01 |
| 11 | Kit-Retainer (Only On: 72103) | 12_755_03 |
| 12 | Spring-Valve Intake (Only On: 72042,72043,72062,72063) | 12_089_01 |
| 13 | Clamp-Hose | X-426-9 |
| 14 | Hose-Breather (Only On: 72042,72043,72062,72063) | 12_326_03 |
| 15 | Washer-Flat (Only On: 72042,72043,72062,72063) | 12_468_05 |
| 16 | Screw M6x1.0x20 (Only On: 72042, 72063, 72062, 72043) | SM-0645020 |
| 17 | Cover-Valve W/Nipple (Only On: 72042,72043,72062,72063) | 12_096_07 |
| 18 | Screw M6x1.0x34 (Only On: 72042, 72063, 72062, 72043) | M-0640034 |
| 19 | Ball-Rocker Pivot (Only On: 72103) | 24_194_01 |
| 20 | Arm-Rocker (Only On: 72042,72043,72062,72063) | 24_186_01 |
| 21 | Plate-Guide (Only On: 72042,72043,72062,72063) | 12_146_13 |
| 22 | Screw M5x0.8x10 (Only On: 72042, 72063, 72062, 72043) | M-0545010 |
| 23 | Retainer-Breather Reed (Only On: 72042,72043,72062,72063) | 12_018_01 |
| 24 | Reed-Breather (Only On: 72042,72043,72062,72063) | 24_402_03 |
