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CB500 front drive sprocket question

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petersy:
I’m currently stripping a 1972 CB500 and because the chain had no split link, I removed the swinging arm to remove the chain.

In doing this, I noticed that the front drive sprocket could be slid off the drive shaft without undoing any bolts or retaining screws.

Is this normal, or should there be something to hold the sprocket in place please?

Trigger:
Should be held on with a sprocket plate and two bolts.
Here you go numbers 28 & 14 >>> http://www.cmsnl.com/honda-cb500-four-k0-england_model14653/partslist/E16.html#results

petersy:
Trigger

There is a plate that bolts on to the sprocket, but nothing to hold the sprocket in place.

It would appear that the plate is to stop the sprocket from moving in towards the gearbox, but there is nothing to stop the sprocket from moving outwards, apart from the motion of the chain.

Pete

totty:
I don't know this specific model but on all the ones I've seen the plate stops it being removed.

Trigger:
The sprocket is held on the shaft by the splines and it is held in place from the plate that rotates and then the bolts hold it in place.

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