Honda-SOHC
SOHC.co.uk Forums => CB750 => Topic started by: adriangsmith on February 24, 2016, 02:49:03 PM
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Hi All,
I have the engine out of the frame for rebuild and cannot get the clutch nut undone.
The washer tabs are bent out of the way but it refuses to budge.
Any tips to lock it in place so i can get some more pressure on it?
Also is it a standard or left handed thread?
Thanks in advance
Adrian
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It is a standard right handed thread, using the right tool helps (you can get them fairly cheaply on eBay) though in the past I have used a hammer and drift. Dog rough though, and damages the nut.
For locking up the motor, assuming it is still in one piece, you could try wrapping an old length of chain around the gearbox sprocket and use a pair of mole grips or similar to hold the two loose ends together and stop it turning, be careful though, maybe use a rag to stop nasty marks. I have done this, again its not pretty but can work. Once apart, ironically it can be much easier to lock up an engine to tighten and loosen things.
Someone may be along soon to express their horror, I'm just saying what has worked for me when in a bind, particularly when I was in a race paddock and not at home in the garage.
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Don't know if your removing the alternator. But if you have, push a large screwdriver through the stator disk and turn the engine until it locks against the bench. You will need the special socket from DSS to engage the nut, then undo it anti-clockwise. You probably don't have access to one, but I use an air gun to zip them off.