Exploded View

Fig 1: Exploded View Of Mainshaft

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Special Tools Required 

• Driver, 40 mm I.D. 07746-0030100
• Attachment, 30 mm I.D. 07746-0030300

1. Clean all the parts in solvent, dry them, and apply lubricant to all contact surfaces except the 3rd/4th and 5th synchro hubs.
2. Install 3rd gear, its bearing, and the 3rd gear synchro ring and synchro spring on the shaft.
3. Support 2nd gear (A) on steel blocks, then install the 3rd/4th synchro hubs (B) using the special tools and a press (C).
   Fig 2: Installing 3RD/4TH Synchro Hubs

   Courtesy of AMERICAN HONDA MOTOR CO., INC.
4. Install the 3rd/4th synchro sleeve (A) by aligning the stops (B) of the 3rd/4th synchro sleeve and hub. After installing, check the operation of the 3rd/4th synchro hub set.
   Fig 3: Installing 3RD/4TH Synchro Sleeve

   Courtesy of AMERICAN HONDA MOTOR CO., INC.
5. Install the 4th gear synchro spring and ring, 4th gear and its bearing, the distance collar, and 5th gear and its bearing on the shaft.
6. Install the 5th synchro hub (A) using the special tools and a press (B).
   Fig 4: Installing 5TH Synchro Hub

   Courtesy of AMERICAN HONDA MOTOR CO., INC.
7. Install the 5th synchro sleeve.
8. Install the ball bearing (A) using the special tools and a press (B).
   Fig 5: Installing Ball Bearing

   Courtesy of AMERICAN HONDA MOTOR CO., INC.