| Ref | Part Number | Description |
|---|---|---|
| 3 | 420941014 | Stud M8 x 26 |
| 4 | 420253172 | Exhaust Valve 31MM This part replaces 420855029. |
| 5 | 420253162 | Intake Valve 36.5mm This part replaces 420254367. |
| 6 | 420627525 | Thrust Washer |
| 8 | 420239292 | Valve Spring |
| 9 | 420254137 | Valve Spring Retainer |
| 10 | 420254602 | Valve Cotter |
| 11 | 420440612 | Torx Flange Screw M6 X 105 |
| 12 | 420441287 | Torx Screw M10 X 159 This part replaces 420441284. |
| 13 | 420281940 | Camshaft |
| 14 | 420627743 | Holding Strip |
| 15 | 420241522 | Torx Screw M6 X 16 This part replaces 420241529. |
| 16 | 420653067 | Rocker Arm Inlet |
| 17 | 420653077 | Rocker Arm Outlet |
| 18 | 420242913 | Hex Nut M6 |
| 19 | 420241337 | Adjustment Screw M6 X 0.75 |
| 20 | 420229714 | Pin 12 X 87.5 |
| 21 | 420944382 | Shim |
| 22 | 420240943 | Bearing Screw M6 |
| 23 | 420436019 | Chain Tension Guide This part replaces 420436017. |
| 24 | 420236583 | Chain Guide |
| 25 | 420236351 | Chain Guide |
| 26 | 420297068 | Silent Chain |
| 27 | 420254438 | Timing Gear 42T |
| 28 | 420840032 | Allen Screw M6 X 12 |
| 29 | 420236510 | Chain Tensioner Housing |
| 31 | 420440235 | Torx Flange Screw M6 X 25 |
| 32 | 420236521 | Chain Tensioner Plunger |
| 33 | 420238120 | Spring |
| 35 | 420641150 | Plug Screw |
| 37 | 420610393 | Valve Cover |
| 38 | 420440568 | Hex Screw M6 X 30 |
| 39 | 715900244 | Spark Plug NGK LMAR8C-9 |
| 40 | 420251181 | Conductor Holder |
| 41 | 420641030 | Rounded Head Screw M10 X 25 This part replaces 420641033. |