| DRAWING REF | PART NUMBER | DESCRIPTION |
| 1 | 518473 | Primary Pinion & Constant Gear up to Suffix B |
| 1 | 542231 | Primary Pinion & Constant Gear Suffix C on |
| 1 | 542231G | Primary Pinion & Constant Gear Suffix C on OEM |
| 2 | FRC1758 | Synchro Clutch Suffix C |
| 2 | FRC1758G | Synchro Clutch Suffix C |
| 3 | 55714 | Bearing for Primary Pinion |
| 3 | 55714R | Bearing for Primary Pinion |
| 4 | 245767 | Gear 3rd Speed and Mainshaft Gear |
| 5 | 571218 | Mainshaft Distance Sleeve OEM |
| 5 | 571218R | Mainshaft Distance Sleeve |
| 6 | 245766 | 2nd Speed Layshaft and Mainshaft Gear |
| 6 | up to Suffix C |
| 6 | 600916 | 2nd Speed Layshaft and Mainshaft Gear |
| 6 | from Suffix D on |
| 7 | 267573 | Thrust Washer for Second Gear |
| 8 | 6397G | Bearing Needle Roller OEM |
| 9 | RTC1957 | Spring Ring Fixing - 2nd & 3rd Mainshaft Gears |
| 10 | RTC1962 | Thrust Washer 0.125 (as required) |
| 10 | RTC1118 | Thrust Washer 0.128 (as required) |
| 10 | 50703 | Thrust Washer 0.135 (as required) |
| 11 | RTC1979 | Peg Mainshaft Distance Sleeve |
| 12 | 6405 | Peg for 2nd Gear Thrust Washer |
| 13 | 264250 | Mainshaft |
| 14 | 501617 | Mainshaft Gear |
| 15 | 9960 | Circlip Bearing to Housing |
| 16 | 6397G | Bearing for Mainshaft OEM |
| 17 | FRC5115 | Bearing Housing Mainshaft Casing |
| 18 | RTC1984 | Circlip Housing to Casing |
| 19 | 236305 | Oil Seal for Rear Mainshaft |
| 19 | 236305G | Oil Seal for Rear Mainshaft OEM |
| 20 | 232415 | Oil Thrower Mainshaft |
| 21 | 502482 | Distance Piece Rear Mainshaft |
| 22 | 218244 | Mainshaft Gear Transfer Box |
| 23 | RTC7169 | Lock Washer |
| 24 | 217477 | Special Nut |
| 25 | 561962 | Shaft - Reverse Gear (early type) |
| 26 | 561954 | Bush for Reverse Wheel |
| 27 | 217389 | Reverse Wheel Assembly up to Suffix B |
| 27 | 561960 | Reverse Wheel Assembly from Suffix C on |
| 28 | 576206 | Bearing - Layshaft OEM |
| 28 | 576206R | Bearing - Layshaft |
| 29 | 501616 | Layshaft Gear 1st Speed up to Suffix B |
| 29 | 511189 | Layshaft Gear 1st Speed from Suffix C on |
| 29 | 501617 | Mainshaft Gear 1st Speed up to Suffix B |
| 29 | 511205 | Mainshaft Gear 1st Speed from Suffix C on |
| 30 | RTC1982 | Lockwasher |
| 31 | RTC1981 | Layshaft up to Suffix A |
| 31 | 528703 | Layshaft Gearbox Suffix B and C only |
| 31 | 556040 | Layshaft from Gearbox Suffix D on |
| 32 | 263878 | Layshaft Sleeve |
| 33 | 214792 | Bearing Plate Assembly for Layshaft |
| 34 | 213417 | Stud |
| 35 | 528690 | Retaining Plate |
| 36 | 528683 | Lockwasher |
| 37 | NT605061L | Nut 5/16" UNF |
| 38 | 241650 | Distance Piece |
| 39 | 576207 | Layshaft Bearing |
| 40 | 8185 | Plain Washer |
| 41 | RTC1983 | Slotted Nut 1/2" BSF |
