SOHC.co.uk Forums > CB750

running on two cylinders

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simongill:
Hi
Just for future reference for anyone, I tracked down the problem to the points. I fitted two new sets on rebuild so I didn't go there to start with, however on the set that sparks 2 and 3, as the engine got hot,  the small shaft on the points expands and this was stopping the points from opening and closing. A quick ream through and a touch of grease has sorted it.
I hope this may be useful.  Did I fit another coil and new condensers before I found this.....of course not!!!!
Simon


PS Anyone want a good F2 coil?.......

Waggles:
Not heard of that one before! assume they were pattern points not OEM?

Know its a bit late now, but if you suspect a coil or condenser etc try swapping them over first and see if the problem swaps sides. ( Can't do that with the points tho! to check them I usually watch for sparks across them )

Sorry, don't need a coil!

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