Full & 1/2 Jet sizes

Exciterfan

Member
Joined
Apr 26, 2005
Messages
423
Age
67
Location
West St. Paul, Manitoba Canada
Is there a chart which identifies the full Jet sizes and the incremental ones in between (for Yamaha)? I've rejetted my sled after adding triple pipes, and often get asked how many jet sizes I increased.

I was originally at one size leaner than stock (2001SXR600), and now I'm at 142.5s across the board (as per Turk). It's unclear to me how many sizes up this is????

Just wondering??

Thanks
 
141.3 to 142.5 = 1/2 a jet size. 141.3 to 143.8 is what most people consider 1 full size.
 


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