Mainshaft Disassembly

NOTE: Refer to EXPLODED VIEW in the Mainshaft Reassembly, as needed, when removing components pressed onto the mainshaft.

Remove the angular ball bearing (A) and the tapered cone ring using a commercially available bearing separator (B) and a commercially available bearing puller (C). Make sure the bearing separator is under the tapered cone ring.

Fig 1: Removing Angular Ball Bearing
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Support 5th gear (A) on steel blocks, and press the mainshaft out of the 5th synchro hub (B).
NOTE: Do not use a jaw-type puller; it can damage the gear teeth.

Fig 2: Pressing Mainshaft Out Of 5th Synchro Hub
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Support 3rd gear (A) on steel blocks, and press the mainshaft out of the 3rd/4th synchro hub (B).
NOTE: Do not use a jaw-type puller; it can damage the gear teeth.

Fig 3: Pressing Mainshaft Out Of 3rd/4th Synchro Hub
Courtesy of AMERICAN HONDA MOTOR CO., INC.