SOHC.co.uk Forums > CB500/550

Final drive sprocket off when taking out engine?

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alexdecker:
Hey all

The manual says to remove the final drive sprocket and the chain when removing the engine. Can I just remove the chain? Can’t for the life of me get those nuts loose for the final drive. Any tips appreciated!

- Alex

Oddjob:
You can leave it on but at some point those bolts will have to come out. Plus there is a risk you'll cut yourself handling the engine out of the frame on the sprocket if your hands slip. The bolts go into the sprocket so if they snap it's not a big deal, you could try a little heat to see if that loosens them up. Just be careful you don't melt the seal behind it unless your replacing that of course.

Bryanj:
Should have undone them whilst chain was on using brake to stop wheel

McCabe-Thiele (Ted):
A good cordless impact driver might shift them.

philward:
If you have got the engine out already (not sure if you were making enquiry prior to taking it out), you could use the chain as a wrench on the sprocket with a large screw driver through links to hold it while impacting bolts

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