Special Tools Required

Driver Handle, 40 mm I.D. 07746-0030100
Bearing Driver Attachment, 35 mm I.D. 07746-0030400

Install new sealing rings (A), the 32 x 40 x 23 mm needle bearing (B), and the set ring (C).

Fig 1: Locating Sealing Rings, 32 x 40 x 23 mm Needle Bearing And Set Ring
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Slide 4th gear (D) over the mainshaft (E) in the direction shown.
Place 4th gear (A) on press bases (B), and place a spacer (C) between the mainshaft (D) and the press to prevent damaging the mainshaft.

Fig 2: Installing 4th Gear Using Press
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install 4th gear using a press.
install 6th gear (A) over the mainshaft (B), then press it into place using the 40 mm driver handle and the press.

Fig 3: Installing 6th Gear Over Mainshaft
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Wrap the shaft splines with electrical tape to prevent O-ring damage, install new O-rings (A) on the mainshaft (B), then remove the tape.
NOTE: Lubricate the O-rings with ATF before installing.

Fig 4: Locating O-Rings, Mainshaft And 3rd/6th Clutch
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install the 3rd/6th clutch (C).
Install the 3rd gear collar (A) over the mainshaft (B), then press it into place using the 40 mm driver handle, the 35 mm I.D. bearing driver attachment, and the press.

Fig 5: Installing 3rd Gear Collar Over Mainshaft
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install the 47 x 64 x 3 mm thrust needle bearing (A), the 42 x 49 x 23 mm needle bearing (B), 3rd gear (C), and the 42 x 63.5 x 3.5 mm needle bearing (D).

Fig 6: Identifying Mainshaft Needle Bearing Assembly
Courtesy of AMERICAN HONDA MOTOR CO., INC.