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Ronzworld
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  • Hey I'm trying to get my motorbike up to 80mph. I installed a window port piston but it's the only thing bogging it down n making problems. 1yr of BS. I tried a HP carb, a PZ22, etc. But there's gotta be a way to increase performance of 80cc engine. I want higher HP, higher low end top end speeds, faster acceleration, better control, etc. What's everything u have to say bout that?
    WoodlandsCobra
    WoodlandsCobra
    I think the window port piston is the root of all the problems. But it's "suppose to work". Maybe the window port is too big
    tommygunn1488
    tommygunn1488
    do you have a reed valve?
    the windowed piston will ONLY make gains if you have done a bunch of other mods too , REED VALVE,GOOD CARB I LIKE MIKUNI 19MM BOOST PORT IS A GREAT MOD ,HIGH COMPRESSION HEAD,, A GOOD EXPANSION CHABER PIPE A MZ PIPE OR ONE FROM DAVE RUST i have a snake pipe AND the newer one that he makes now ,and there are other mods as well but 80MPH is not gonna happen the best ive done is 63.8
    Heya, for sure thatd be cool to ride and chat. Ive built 11 bikes over the last 2 years, mostly as a hobby, as 4 of them are mine and my roommates. Im always looking for the edge in performance using the existing kit parts but theyll only take me so far haha.
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