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CB750 early K with K7 combination...

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neilg:
Think I'm with you. My plan was to use a F1 motor in a K7 frame. With the thought of the extra forces and the "weaker" F1 bearing perhaps using the chain/sprockets from the F1 would sort this. Again anyone any thoughts??

steff750:
 ;) yes it will work fine you just need to go with whatever chain and sprocket combination you choose
i have a F2 motor in a K0 frame it also has a sidecar fitted so the gearbox gets a lot of stick , i would like to think that the heavier chain will never snap lol.
as its already been said earlier you might be restricted to tyre width,i have a  155x15 car tyre fitted and i dont think i can go much wider than a 165 x 15 also the swinging arm is a limiting factor anyway

neilg:
Fascinating stuff when you mix n'match. Have to say I was very surprised when I started out on this project at just how much difference there was in the K7 frame when compared to earlier models, particularly rear of the swing arm pivot.
Many thanks for all your thoughts

Neil G

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