Countershaft Inspection

Inspect the oil passage, gear, and bearing contact areas for wear and damage, then measure the countershaft at points A, B, C, and D. If any part of the countershaft is less than the service limit, replace it.

Fig 1: Identifying Countershaft Inspection Points
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Inspect the runout by supporting both ends of the countershaft. Then rotate the countershaft two complete turns while measuring with a dial gauge. If the runout exceeds the service limit, replace the countershaft.
Standard: 0.02 mm (0.001 in.) max.

Service Limit: 0.05 mm (0.002 in.)

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