The pipes were on it when I got it and there was never a problem before other than the popping. Now that I think about it this did start after my last fill up, so I am almost on E, going to run it down and do the injector cleaner and use a different gas station. I am also going to check (maybe...
just because '04 and '05 are prone to TPS issues and '07 had some nice changes to make the bike overall better.
Could you expand on this, I have been having an issue with my 04 FZ6, thread under general discussion "running rich"
In regards to the bike I have a 2004 FZ6 same slip on exhaust...
It was running perfect one day and started this the next. Nothing changed didn't run different gas or anything. there are no warning lights on and no codes being shown.
I have a 2004 Yamaha FZ6 with 7,700 mile on it. In the last two weeks it has been running rich (2 others feel the same way) At 30-40 MPH in 3rd gear when cracking the throttle it sputters usually once and then jerks to full "response". At highway speed when downshifting or just accelerating it...