Difference between Yamaha LB50 and LB80

Does anyone know what the difference between the Yamaha

LB50 and LB80 is?

thanks,

John Gregg

Re: Difference between Yamaha LB50 and LB80

around 30cc of engine, and sometimes a footbrake

Re: Difference between Yamaha LB50 and LB80

I bought an LB80 top end for the LB50 sometime ago.

I have wondered if it will fit? and if the CC difference is all in the bore?

There alot of LB80 top ends turning up on EBAY. Around $30 to $40 plus shipping. The best value might be something like

a Polini kit new and ready to bolt on.

John Gregg

Re: Difference between Yamaha LB50 and LB80

I got a polini on my chappy with a 15mm delorto and a teno next welded to the header. you will never get any power if you keep that crazy round muffler.

Re: Difference between Yamaha LB50 and LB80

I got a polini on my chappy with a 15mm delorto and a teno next welded to the header. you will never get any power if you keep that crazy round muffler.

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Where did you get the delorto 15mm and how fast does it go?

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