Manual Transmission: Notes

The M5OD-R4 transmission is a five-speed synchronized unit. The R4 five speed has the following features:

• An aluminum main case, clutch housing and extension housing.
• The mainshaft has two tapered roller bearings. Mainshaft end play is controlled by a selective shim located under the bearing cup.
• The countershaft has two tapered roller bearings. The countershaft end play is controlled by a selective shim located under the bearing cup.
• Synchronized in all gears.
• All gears are bevel cut.
• All gears, including reverse, turn on needle roller bearings.
• Single-piece shift forks with separate shift fork pads.

The M5OD-R4 had five forward speeds and one reverse speed. The gear ratios are as follows:

• First 3.38:1
• Second 2.06:1
• Third 1.30:1
• Fourth 1.00:1
• Fifth 0.790:1
• Reverse 3.70:1