10. FINAL REDUCTION/ TRANSMISSION SYSTEM ATV 150/125 Shift Cam Stopper Remove spring, washer and shift cam stopper. Washer Spring Plug Transmission fork Remove the transmission fork shaft and transmission fork. Transmission fork shaft Measure the guide bar runout. Out of specification Replace. Service Limit: Less than 0.03 mm (0.0012 in) Do not attempt to straighten a bent guide bar. Shift Fork Cam Follower Check the shift cam groove and shift cam gear. Wear or damage Replace. Shift Fork Cam Pawl 10-6