kdawgfz1
New Member
FZ1 owners: I understand the 2009-2010 FZ1 can perform its own mapping changes on the fule injection. No power commander needed. Factory Yamaha mechanics know how to program it. Anyone know the code sequence?. I need to richin up my fuel a Tad. I purchased a Graves slip on Exhaust and it was one of the oldie but goody - this puppy is totally loud. I called Graves and they told me they discontinued this slip on due to loundess. end Tip is 2 3/4 opening - not like the new one thats like 1 7/8. When I roll off the throttle it sounds like a Ferrari. Some say it has an air leak but I totally covered the slip on area with an asbestos type material and guaranteed no air leak. Graves says its probably to lean! Runs like a champ though!