I did this mod about 3 years ago, but heres a link to some good information.
http://www.3wheelerworldforums.com/s...ht=power+valve
I did this mod about 3 years ago, but heres a link to some good information.
http://www.3wheelerworldforums.com/s...ht=power+valve
2007 YAMAHA YTZ450 went to a great home RIP Sam