my67xr
Miniriders Legend and Master Spanner Spinning Mode
try tightening the nuts that hold the exhaust to the head.
if that doesn't fix it, it may need a new copper gasket there
otherwise the carby could need tuning to suit how it is running now
if that doesn't fix it, it may need a new copper gasket there
otherwise the carby could need tuning to suit how it is running now
