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Posted

ok my brother got a banshee and we had to put carbs on it... it has stock motor but has t4's and we just put stock carbs back on it remove the airbox and and put on clamp ons...i'm not sure what pilot jet is but i think its ok it will start and purr like a kitten and is ok til half to full throttle... when we got carbs i check main jets and they was 280... i thought 280 was right for toomeys on a stock motor but i guess i was wrong since it has the clamp ons .. so how much bigger should i go???? 310???at full throttle it will back fire and bog and just run like crap...

Posted

Try 320 - 340, depending on elevation and ambient temperature.

 

Also check for any airleaks around the carbs, that includes rubber boots/ hose clips/ cross over tube/balance tube or boostbottle/ carb tops, reed cage gasket etc.

Posted

I'd say you'll be close with 320. I don't imagine you'll be much higher than that, but in same rarer cases, it is possible. Read the plugs, they don't lie.

Posted

well we put in some 310's and runs out good now we still need to do a plug check thou... as for the backfiring and bogging i found that after we jetted to 310 it did not get rid of it but i found a loose wire going to the plugs wires and tighten it up ran like a raped ape then... hell 4th gear wheelies are easy.... i was impressed for a stocker with just toomeys... its almost as fast as my banshee....lol

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