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421 jetting


2k7cheeta

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Driveline 421 assassin , 34mm mikuni, k&n pods, vf4, sea level. Where should I start with jetting? The carbs have 270 main and 30 pilots now and came off a stock cylinder stroker. 0dbecd8f83fd7b7cc988583f6781eb60.jpg

 

 

I know neither is ideal but pro circuit or t5s? I have t5s now and my buddy said he’d strait trade for the pro circuits.

 

 

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