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:

Chain drive
Removing the drive chain 1. Stand the vehicle on a level surface. WARNINGSecurely support the vehicle so that there is no danger of it falling over. NOTE: Place the vehicle on a suitable stand so that the rear wheel is elevated. ...

Checking the radiator
1. Check: Radiator fins obstruction clean. Apply compressed air to the rear of the radiator. Damage repair or replace. NOTE: Straighten any flattened fins with a thin, flat-head screwdriver. 2. Check: Radiator hoses Cracks/damage Replace. 3. Measure: Radiator cap ...

Disassembling the front wheel
1. Remove: Oil seal Wheel bearings a. Clean the surface of the front wheel hub. b. Remove the oil seal "1" with a flat-head screwdriver. NOTE: To prevent damaging the wheel, place a rag "2" between the screwdriver and the wheel surface. c. Remove the wheel bearings "3" with a ge ...