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Old 05-10-2015 | 10:31 AM
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Maximo
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Originally Posted by RiPPeN302
Quick tuning question. Is there any tuning differences between a Plus4 carb and say an OS based engine?
I'm finding it hard to find the sweet spot between a lean bog LSN and to rich LSN with big idle gap causing a really high 2 stage idle from WOT to stop. Been doing adjustments down to 1/16th turn. What am I doing wrong?

I have a spare 21J carb off an OS Speed. Anyone run that carb on a Novarossi?

Thanks,
what pipe, manifold ,carb insert ,clutch and fuel are you running ?
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