Plug chop test results...

[Shuriken]

02 model. UNI air filter. OEM exhaust. 5700ft elevation. 150 main jets.

I have this color at idle, mid, and full.

Are we going for the light tan or the light gray?

 

[Fire-medic]

I think you may get an improvement in operation with 147.5 Mikuni mains.