Crankshaft Gear/Sprocket: Service and Repair

Chain sprocket, removing and installing

Special tools, testers and auxiliary items required

Press tube 30 - 100:

Thrust piece 40 - 105:

^ Two-arm puller, commercially available
^ Protective gloves

Removing
- Remove oil pan with oil pump.
- Remove front sealing flange.





- Pull off crankshaft chain sprocket with claw puller - 2 - e.g. Kukko 44-1, while protecting end of crankshaft with thrust piece 40 - 105.

Installing
Installation is in reverse order of removal. Note the following:

CAUTION: Wear protective gloves!

- Heat up chain sprocket in an oven for approximately 15 minutes at 220° C.

Note: Installed location: Wider shoulder of chain sprocket faces toward engine.





- Set chain sprocket onto end of crankshaft with pliers and push it onto the crankshaft until stop using press tube 30 - 100.
- Install oil pan with oil.