Countershaft Inspection

Inspect the gear and bearing surfaces for wear and damage.
Measure the countershaft at points A, B, C, and D. If any part of the countershaft is less than the service limit, replace it.
Standard:
1. Rear cover side needle bearing contact area:
  30.020-30.029 mm (1.1819-1.1822 in.)
2. Transmission housing side needle bearing contact area:
  34.002-34.018 mm (1.3387 - 1.3393 in)
3. 2nd gear contact area:
  43.984-44.000 mm (1.7317-1.7323 in.)
4. Clutch housing side ball bearing contact area:
  28.002-28.015 mm (1.1024-1.1030 in.)
Service Limit:
1. A: 29.97 mm (1.180 in.)
2. B: 33.95 mm (1.337 in.)
3. C: 43.93 mm (1.730 in.)
4. D: 27.95 mm (1.100 in.)
  
  Fig 1: Measuring Countershaft At Points A, B, C And D
  Courtesy of AMERICAN HONDA MOTOR CO., INC.
Inspect for runout by supporting both ends of countershaft. Then rotate the countershaft two complete turns while measuring with a dial gauge. If the runout is more than the service limit, replace the countershaft.
Standard: 0.02 mm (0.001 in.) max.

Service Limit: 0.05 mm (0.002 in.)

Fig 2: Measuring Countershaft Runout
Courtesy of AMERICAN HONDA MOTOR CO., INC.