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need some held with jet needle

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hi guy's

i need some help

im doing some experements with my jetting

i have a standard pilot jet and air screw and im trying  to jet corectly with needle's and main jets

i want to know the diferences between r1469h and nozf needles

whitch one is richer and witch one is leaner?

i know that noz(x) needles are more agressive than the others but thats mean are richer or leaner?

 

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The NOZF is a multiple taper needle (3 tapers). R1469H is a single taper needle. Provided the settings are all the same (pilot, clip, main) the NOZF will run richer from the time you start twisting the throttle, to wide open throttle, and will be substantially richer from @ 1/8 to 1/4 throttle. If you use a main jet that is @ 2 sizes smaller with the NOZF, it will be similar to R1469H from @ 1/2 throttle to wide open. Example... NOZF with 170 main vs. R1469H with 175 main = similar from @ 1/2 to wide open throttle.

Edited by hallsy

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