2003 gasgas 450

[keenans2004]

i have just bought a gasgas 450 fuel injection. when i am riding it keeps spluttering and tring to cut out. is this common and an easy fix or should i be worried? any help will be appreciated. thanks steve

 

[bergerhag]

Fuel pump relay probably bad. Do a search on 'pump relay', in the 4-stroke engine subforum.