Disassemble Main Shaft And Countershaft - KEEWAY RKV125 Instruction And Maintenance Manual

Measure the thickness of friction plate with a vernier caliper.
Allowable limit: Replace it when it is below 2.6mm.

14.4 Disassemble Main Shaft and Countershaft

Inspection
Check respectively wear of tooth surface and drive pawls. If
they are seriously worn or damaged, replace them.
Remove bearing and oil seal on left crankcase.
Check if bearing and oil seal are injured. Replace if necessary.
Thickness
Tooth
Surface
Drive pawl