Crankshaft/Transmission

Shift Fork Guide Pin/Drum Groove Wear Inspection

~1min read
  • Measure the diameter of each shift fork guide pin [A], and measure the width [B] of each shift drum groove.

If the guide pin on any shift fork is less than the service limit, the fork must be replaced.

Shift Fork Guide Pin Diameter Standard: 6.9 7.0 mm (0.272
0.276 in.)
Service Limit: 6.8 mm (0.268 in.)

Shift Fork Guide Pin/Drum Groove Wear Inspection

If any shift drum groove is worn over the service limit, the drum must be replaced.

Shift Drum Groove Width Standard: 7.05 7.20 mm (0.278
0.283 in.)
Service Limit: 7.3 mm (0.287 in.)

Test yourself

A quick Kawasaki Ninja ZX-10R quiz: every answer comes with an explanation and a link to the manual page.