adamchatum
Member
- Jun 17, 2007
- 7
- 0
Guys, I just bought a 2003 yz250 from the coast, it has a stock main jet right now thats been in there since new (178s). I live approx 416m or 1364 feet above sea level. Should I down size one or two sizes (175 or 172), and lower my needle clip a slot?
Thanks for your help.
Thanks for your help.