Yamaha YFM660R Raptor (2001-2005)
Bike Bogging/Stuttering 3/4 - Full Throttle [SOLVED]
Ok so i have a 2004 Raptor 660 with 102mm bore, +4 stroker crank, Yoshimura Exhaust, K&N filter (air box stock).
Jets #25 Pilot 180/185 Main jets.
It starts and Idles PERFECT. Couldn't ask for any better however,
I had a friend jet it for...