Countershaft Inspection

WARNING: This page is about a different variant/trim than selected.

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

A Ball Bearing Contact Area (Transmission Housing Side): 30.020-30.033 mm (1.18189-1.18240 in)

B 1st Gear Distance Collar Contact Area: 39.937-39.950 mm (1.57232-1.57283 in)

C Needle Bearing Contact Area (Clutch Housing Side): 35.000-35.015 mm (1.37795-1.37854 in)

Service Limit:

A: 29.97 mm (1.1799 in)

B: 39.883 mm (1.57019 in)

C: 34.95 mm (1.3760 in)

Fig 1: Identifying Gear And Bearing Contact Areas For Wear And Damage
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 (0.0008 in) max.

Service Limit: 0.05 mm (0.0020 in)

Fig 2: Inspecting Runout By Supporting Both Ends Of Countershaft With A Dial Gauge

Courtesy of AMERICAN HONDA MOTOR CO., INC.