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S-7 needle jet
42-75 needle , 3rd position
what would you expect the results to be? I was running that originally but it was too lean below half throttle and I’m still confused by it. The S-4 needle jet is .0006” smaller than the S-7, yet the 42-74 needle is only .0004” smaller than the 42-75, so it seems like it would flow less fuel, but it is definitely richer with your settings below half throttle.
https://www.partzilla.com/product/suzuki/13551-36F50?ref=cf3fd997ae8f8e…
The Shop
50/50 Pump Gas/C12
MJ 490
PJ 32.5
AS 2.0 turns out
Needle jet S4
Needle 42-75 on the 3rd clip
Slide 5.50
PV 1.5 turns in from all the way out
Fuel mix 60:1 with motorex oil
She ran get and is no longer running lean
u4.4 oxygenated race fuel
MJ 500
PJ 35
AS 1.5 turns out
Needle jet S4
Needle 42-75 on the 3rd clip
Slide 5.5
PV 1.75 turns in from all the way out
Fuel mix 44:1
Pit Row
I am a little confused on this thread.... are these specs for the 125, 150 or 250?
thanks!
I am looking for a jetting spec for the mikuni on the KTM150 2018. T2 fuel (40:1)
thanks, Bruce
Different scales for knock. RON vs AKI (RON+MON/2)
S4 needle jet
Slide 5.0
MJ: 490
PJ: 37.5
Air screw 2 turns out
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