hello to all friends, I am Joseph and I write from Italy, I wanted to show you my Raptor and all the changes that I made on him in several months, I hope you like it:
YAMAHA RAPTOR 660 R 2004
• 5 valve
• 4 stroke
• Silmotor double exhaust collectors
• Silmotor Muffler...
i have a slight hesitation on take off then it opens right up and runs like a champ... then going from full throttle in 5th gear ill down shift fast and hard for a corner and once in awhile it will backfire then run great again as soon as i put the hammer back down.. and ideas? as far as i know...