Countershaft Reassembly

Special Tools Required 

Driver Handle, 40 mm I.D. 07746-0030100

1. Install the 40.5 mm cotters (A), 2nd gear (B), the thrust needle bearing (C), the needle bearing (D), the idler gear (E), the thrust needle bearing (F), the original thickness 61 mm washer (G), 1st gear (H), 4th gear (I), the 50.8 mm collar (J), the original thickness 50.8 mm washer (K), the 42.2 mm cotters (L), the cotter retainer (M), and the snap ring (N) on the countershaft (0). Install the 40.5 mm cotters, the idler gear, 1st gear, and 4th gear in the direction shown.
   Fig 1: Exploded View Of Countershaft Assembly

   Courtesy of AMERICAN HONDA MOTOR CO., INC.
2. Install the thrust washer (P), the needle bearing (Q), and 5th gear (R).
3. Slide the reverse selector hub (A) over the countershaft (B), then press it into place using the 40 mm I.D. driver handle and a press.
   NOTE: Some reverse selector hubs are not press-fitted, and can be installed without using the 40 mm I.D. driver handle and a press.
   Fig 2: Sliding Reverse Selector Hub Over Countershaft

   Courtesy of AMERICAN HONDA MOTOR CO., INC.
4. Install the reverse selector, the reverse gear collar, the needle bearing, and the reverse gear over the reverse selector hub.
5. Install the ball bearing (A) over the countershaft, then press it into place using the 40 mm I.D. driver handle and the press.
   Fig 3: Installing Ball Bearing Over Countershaft

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6. Install a new conical spring washer (A) in the direction shown, and install a new locknut (B).
   Fig 4: Identifying Conical Spring Washer And Locknut

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7. Hold the countershaft securely using a wrench clamped in a bench vise, and tighten the locknut to 167 N.m (17.0 kgf.m, 123 lbf.ft).
   NOTE:

   • Use a torque wrench to tighten the locknut. Do not use an impact wrench.
   • The locknut has left-hand threads.
     Fig 5: Tightening Locknut Using Torque Wrench

     Courtesy of AMERICAN HONDA MOTOR CO., INC.
8. Stake the locknut into the shaft to a depth (A) of 0.7-1.3 mm (0.028-0.051 in) using a 3.5 mm punch (B).
   Fig 6: Staking Locknut Into Shaft

   Courtesy of AMERICAN HONDA MOTOR CO., INC.