Performance parts before break in

[Josh89]

I ordered a new bullet train 80cc motors and I was wondering is it safe to use performance parts on it like a sbp expansion chamber and other things like reed valves and a speed carb.

 

[Frankenstein]

I ordered a new bullet train 80cc motors and I was wondering is it safe to use performance parts on it like a sbp expansion chamber and other things like reed valves and a speed carb.

I'm sure you could, the muffler will need adapting, they use a copper compression gasket for that, and the intake stud width is non-standard, you'll need to adapt that too.