Number of gears: 5 forward gears and one reverse gear
Lubrication
Lubricant type/specification:
- Models before 1986 - Universal motor oil, viscosity SAE 10W/40,
- according to API SG/CC specifications (Duckhams QXR, QS, Hypergrade Plus or Hypergrade)
- Models from 1987 with a filler plug that also serves to check the oil level - Transmission oil, viscosity SAE 75W/80 (Duckhams Hypoid RT 75W/80W)
Gearbox casing capacity:
- Models without filler cap (until 1986.) 2.0 l
- Models with filler cap (since 1987) 1.8 L
Gear ratios (typical) for models up to December 1986:
- 1st gear - 3.308:1
- 2nd gear - 1.882:1
- 3rd gear - 1,360:1
- 4th gear - 1.069:1
- 5th gear - 0.865:1
- Reverse gear ratio - 3.333:1
Gear ratios for models from January 1987:
- 1st gear - 3,250:1
- 2nd gear - 1,850:1
- 3rd gear - 1,360:1
- 4th gear - 1.069:1
- 5th gear - 0.865:1
- Reverse gear ratio - 3.333:1
Tightening torque (Nm)
- Rear cover bolts (are placed on a liquid for locking threaded connections) — 12,2
- Drive and output shaft nuts - 54.2
- Rear Bearing Separator Bolts - 14.9
- Gear shift rod support shield bolt - 14.9
- Bolts for fastening the end cover to the main crankcase - 12.2
- Reverse idler gear axle bolt - 20.3
- Rod spring bracket - 14.9
- Reverse gear rod nut - 20.3
- Sapun - 14.9
- Reverse Light Switch - 24.4
- Drain plug (transmission) — 9,5
- Drain plug (main gear) — 29,8
- Speedometer Pinion Adapter - 12.2
- Final drive housing extension bolts - 14.9