selztoad Posted April 10, 2010 @sea level mods are 434kit tt store fcr mrd/ssw kn air filter stg1 cams should i use 155 or 160 main jet? Share this post Link to post Share on other sites
selztoad Posted April 10, 2010 158 main jet all i have right now is 155 or 160 , which should I use until i get a 158? Share this post Link to post Share on other sites
Wayward Son Posted April 10, 2010 160 out of the 2. Share this post Link to post Share on other sites
icecold Posted April 10, 2010 I have the same setup at sea level without the K+N and at Eddies suggestion I changed from 160 to 158 and my combo rips !!! Share this post Link to post Share on other sites
Smias My Ride Posted April 10, 2010 158 or 160 is for a open pipe or with a q core ? Share this post Link to post Share on other sites
selztoad Posted April 10, 2010 158 or 160 is for a open pipe or with a q core ? open pipe 👍 Share this post Link to post Share on other sites
suzuki sm nut 123 Posted April 12, 2010 ok , I of course have all the jett sizes but the 158 so I have the fcr from TT so what do i tell the parts guy at the dealer to get the right jett. outside if the jett size of course Share this post Link to post Share on other sites
