Yamaha YZF-R125 Service Manual: Steering head

Installing the front fork legs

The following procedure applies to both of the front fork legs. 1. Install: Front fork leg Temporarily tighten the upper and lower bracket pinch bolts. NOTE: Make sure the inner tube end ...

Removing the lower bracket

1. Stand the vehicle on a level surface. WARNINGSecurely support the vehicle so that there is no danger of it falling over. 2. Remove: Upper ring nut Rubber washer Lower r ...

Other materials:

Checking the crankshaft position sensor
1. Disconnect: Crankshaft position sensor coupler (from the wire harness) 2. Check: Crankshaft position sensor resistance Out of specification  Replace the crankshaft position sensor/stator assembly. a. Connect the pocket tester ( × 100) to the crankshaft position sensor c ...

Aftermarket Parts, Accessories, and Modifications
While you may find aftermarket products similar in design and quality to genuine Yamaha accessories, recognize that some aftermarket accessories or modifications are not suitable because of potential safety hazards to you or others. Installing aftermarket products or having other modif ...

Checking the primary drive gear
1. Remove: Primary drive gear Refer to "BALANCER GEAR" on page 5-53. 2. Check: Primary drive gear Damage/wear  Replace the primary drive gear and clutch housing as a set. Excessive noise during operation Replace the primary drive gear and clutch housing as a set ...