Yamaha YZF-R125 Service Manual: Removing the crankshaft

Yamaha YZF-R125 Service Manual / Engine / Crankshaft / Removing the crankshaft

1. Remove:

Crankshaft "1"

NOTE:

Remove the crankshaft with the crankcase separating tool "2".
Make sure the crankcase separating tool is centered over the crankshaft.

CAUTION:

To protect the end of the crankshaft, place an appropriate sized socket between the crankcase separating tool bolt and the crankshaft.
Do not tap on the crankshaft.

Removing the crankshaft

Checking the crankshaft

1. Measure: Crankshaft runout Out of specification Replace the crankshaft, bearing or both. NOTE: Turn the crankshaft slowly. 2. Measure: Big end side clearance Out of speci ...

Other materials:

Checking the diode
1. Check: Diode Out of specification Replace. NOTE: The pocket tester or the analog pocket tester readings are shown in the following table. a. Disconnect the diode from the wire harness. b. Connect the pocket tester ( × 1) to the diode terminals as shown. c. Check the diod ...

Checking the front fork legs
The following procedure applies to both of the front fork legs. 1. Check: Inner tube Outer tube Bends/damage/scratches Replace. WARNINGDo not attempt to straighten a bent inner tube as this may dangerously weaken it. 2. Measure: Spring free length "a" Out of sp ...

Checking the fid (fast idle solenoid)
1. Disconnect: FID (fast idle solenoid) coupler 2. Check: FID (fast idle solenoid) resistance a. Disconnect the FID (fast idle solenoid) coupler from the FID. b. Connect the pocket tester ( × 10) to the terminals of the FID (fast idle solenoid). Positive tester probe ...