hi lads , if got tdm850 ,2001 y , 4tx model , it has flat spot between 4-5 revs , its got set twin cans on & k/n air filter , been told to fit dynojet stage 1 kit but having problem locating one & told this is common fault on this bike . any help be greatful .
_33963e.png)
_83bc35.png)
