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Well, I bought a new front sprocket for 5 bucks, with 15T instead of the original 14...
Received it yesterday so didn't mount it yet...
couldn't go more. first because a bigger 16T sprocket wouldn't fit (not enough space), second cause I didn't find any...
but I was advice not to go more then 1T since the engine is so small and "torqueless".
Since the wheel sprocket only have 34T, the one T on the front is equal to 3T at the wheel, and will gain about 7-8% more top speed, and 600-700 rpms drop at a specific speed like 35-40mph.
I think 15T will fit nicely and won't feel the lack of torque, because my original 1st and 2nd gear are short as hell.
And unfortunately it won't be possible to change much more regarding to drop the rpm and get high speed. bigger tires won't fit, and the original rear sprocket is already hard to find... with smaller teeth only custom made I supposed...
Will try to change it this week and will "put you to speed" (give my feedback)
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