Manual Transmission: Notes
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The manual transmission and final drive assembly installed in the MINI COOPER is known as the R65. This transmission has 5 forward speeds and a maximum torque input of 160 N.m. The shift pattern is of a conventional design with reverse gear opposite 5th gear, and neutral in the 3rd/4th gear plane. See Fig 1 and Fig 2 .
Features of the R65 transmission assembly include:
- Two shaft design.
- Input shaft incorporating four fixed input gears and 5th gear located by splines and a lock nut.
- All output gears free to rotate on the output shaft.
- Overall length of just 395 mm including the clutch housing.
- All forward gears have synchromesh with dual cone synchromesh on 1st, 2nd and 3rd gears.
- Aluminum die cast housings with the exception of the rear cover that is pressed steel.
- All housings are sealed with liquid sealer except the rear housing that has a rubber seal.
Primary components of the R65 transmission are:
- Gears and shafts.
- Clutch housing.
- Main housing.
- Shift mechanism.