SOHC.co.uk Forums > CB750
Chain problem
hairygit:
Very! Remove the two short bolts from the locking plate, turn it slightly and it will align with the splines and can be pulled off, then the sprocket just lifts off. Put the new sprocket on, and fit the locking plate, rotate it until the bolt holes line up, then replace the bolts. And yes, it is meant to wobble about when fitted!
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El__burro:
--- Quote from: hairygit on October 09, 2015, 08:19:23 PM ---Very! Remove the two short bolts from the locking plate, turn it slightly and it will align with the splines and can be pulled off, then the sprocket just lifts off. Put the new sprocket on, and fit the locking plate, rotate it until the bolt holes line up, then replace the bolts. And yes, it is meant to wobble about when fitted!
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--- End quote ---
thanks, but i meant the step just before that.
what covers I need to remove first?
hairygit:
Just the small rearmost cover over the sprocket, held on with 2 screws. You do not need to remove the gearlever or the cover under it
El__burro:
Thanks, I'll try tomorrow.
royhall:
--- Quote from: El__burro on October 08, 2015, 03:09:12 PM ---Chain and sprockets arrived, a week late but they eventually did.
I put on the rear sprocket and new chain but kept the old front sprocket as I am not sure how to replace it.
After having completed the job I have realised that the chain is very loose, i pushed the wheel to the very end but still way too lose.
Shall I cut some links off the chain or..
thanks
el__burro
--- End quote ---
Same here. Just had a chain and sprocket kit off eBay from M&P for the CB750F2
http://www.ebay.co.uk/itm/HONDA-CB750-F2-1977-SOHC-O-RING-CHAIN-AND-SPROCKET-KIT-/271025338194?
Fitted it last weekend and like yours the adjustment is past half way. So tomorrows job is to remove the required links and put in a soft rivet link. Don't like split links on 630 chain, although I don't know of any problems so I'm probably being way over cautious. Was always told from my teenage years that 65hp was the limit for split links (this may have been true of 70/80s chains). Its probably bullshit but what price your crankcases if it breaks.
Not even going to bother with the ringing M&P as they will only say "we've sold thousands and this is the first report of a problem". That will just piss me off. So out with the link remover again.
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