Hey there guys, i live in Kalamazoo, MI and i just installed a sidedraft Mikuni 44.

Anyone have an idea of jetting for my area?

Thanks!

 

12a
Venturi 39mm
main fuel #200 jet
main air #240
pilot jet #62.5
accel pump #90 aka idle jet
jet block OA

13b
Venturi 39mm
main fuel #240 jet
main air #180 or 190
pilot jet #62.5
accel pump #90 aka idle jet
jet block OA

these are for stock or mildly ported engines with race exhaust

order your parts from www.wolfcreekracing.com
they have awesome service.

 

Cool, i am in contact with Todd at wolf creek. Is there anyway i can tell what jets i have in it right now?

Does anyone have a link to the manual? I have never changed jets and such, is it pretty simple?

Thanks

 

Jet sizes are stamped on the top of them. If you can't read them, get a magnifying glass. Some tuners grind the #s off to hide thier settings. Todd sells a photocopy manual or you can pic on up off eBay on cd.

Mikunis are simple compared to Holleys and Nikkis.

 

Good, and thanks! I just ordered a whole new set of jets and venturis, and on and on. We will see how it goes, thanks for all the help!

 

Depending on which size of jets you order, I might be interested in the leftovers that you don't use. PM me with the sizes when you're done tuning tuning. If you can, get your hands on a wideband when you tune, it will make a big difference dialing in the afrs Don't be too concerned about afrs at idle, they tend to run in the 8.5-10 range. During hard acceleration, 10.5-12.5, steady state cruise near 14. Hardest part can be getting rid of the bog when you begin to accelerate.

If at all possible, dyno tuning will yield the best results, but that can get pricey.