'77 z50 mild rebuild - need some gearing advice

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'77 z50 mild rebuild - need some gearing advice

This is a discussion on '77 z50 mild rebuild - need some gearing advice within the Z50, CT70 and JDM Monkeybikes forums, part of the General Talk category; Hi all, been lurking for a little, but now am a full fledged planet mini member. Anyway, I'm in the process of rebuilding my 1977 ...

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    Mild z50 build - need some gearing advice

    Hi all, been lurking for a little, but now am a full fledged planet mini member.

    Anyway, I'm in the process of rebuilding my 1977 z50 which I have owned since I was 13 (and put a million miles on ) I'm keeping it pretty stock, but am adding a 72cc cylinder and piston.

    My question is gearing. It has the 12/37 stock gears. I plan on making it street legal just for fun. I'm looking for some input on what sprocket setup would give a nice balance of enough umph to get out of its own way but also a little more top end. FWIW - I weigh about 155. Along that same line of thought... Any recommendations for chains?

    thanks,

    jeremy

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ID:	158413Using the speed calculator that I listed on your previous post, you can formulate an idea of what you want. My 14/35 combo gives me 32 MPH on my speedometer.

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