Richard, is that an original Crab type dizzy or some kind of aftermarket modern one, I can't see from your pic?
The other issue here in case you did not notice is that the slot on the cam and drive key on the back of dizzy are off center I think and will only mate up one way or the other. You may have to rotate the drive in the dizzy 180deg. Its been a while since I played around with these.
Also, perhaps verify the dimensions on the key vs the slot to make sure they jive. I believe all flathead cams are the same but I am no expert.
Last edited by chris vickery; 26-04-14 at 23:19.
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