r/motorizedbicycles

80cc engine kit

My 80cc engine kit is really hard to start, have to bike up and down just to get it started and I’m wondering if there might be an air leak by the intake/carb. Should I replace the intake to a better sealing one or do I just need to drive more so the engine get more run in?

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u/SecondAgreeable4936 — 11 days ago

Marin 100CC project

Hi everyone.
This is my first build. Currently waiting on a new carburator because it’s four stroking and I tried everything but I can’t make it run properly.
So I’m working on the looks of it. It’s my first build, any comments or ideas are more than welcome!

u/Rupette — 11 days ago

Looking for bike to add motor 2

Im looking for some recommendations for bikes from Walmart Im in the USA and would like to keep it under 250 if u could help I'd appreciate it!!

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u/Plus_Ad_2201 — 10 days ago