16-03-12, 07:37 AM
I agree with PieEater's diagnosis. 
What year is your Fazer? I ask 'cos the pre-03 models were a little worse on the lean surge side of things. Yamaha changed the needle spacers from 03 onwards to reduce the problem.
Mike

What year is your Fazer? I ask 'cos the pre-03 models were a little worse on the lean surge side of things. Yamaha changed the needle spacers from 03 onwards to reduce the problem.
Mike