86yamahaphazer

I heard that you could drill out midrange on phazer carbs. but i dont know where or what size dill bit. could comeone tell me.

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Own: 86 Yamaha Phazer 480,1995 Arctic Cat jag 440
wreaked: 1998 yamah vmax 600,1979 Yamah bravo 9500
Loved all My sled's

yamadad4

unaware of any drilling procedures, but the proper procedure is to change either the primary nozzle or the main nozzle, or both.

there may be a trade off in performance doing this, but if you ride mostly in the mid throttle range it may suit your needs.

the smaller main nozzle will allow more fuel to sit between the nozzle and the carb body and makes the carburetion richer when you snap the throttle.

the larger main nozzle allows for more fuel and air flow making the carb richer at mid to wide open throttle.

some of the optional nozzles have fewer bleed holes and some have larger holes each affecting the carb differently. you need to consider your needs to be sure you change to the correct nozzle combination.