Jump to content
Sign in to follow this  

jetting advice for tr270 kit

Recommended Posts

Hello,

Have a Thumper Racing 270 kit going on the bike and looking for advice if you have this displacement.

This is where I am at now:

Stock

Opened airbox

Drilled difuser

42 pilot, 1 out

150 main, stock needle raised two grooves

New york/ NorthEast/Sea level

Thank you

Share this post


Link to post
Share on other sites

My initial guess would be a 45-48 pilot, 155-165ish main, and appropriate needle clip position and fuel screw settings. There are plenty of posts on setting fuel screw. Needle position can best be determined by riding.

  • Like 1

Share this post


Link to post
Share on other sites

By the way , your stock needle can be shimmed up(but not down) by using appropriately sized washers under your clip.

  • Like 1

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Reply with:

Sign in to follow this  

×
×
  • Create New...