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Hi all my 503 starts fine runs up to full power but at around 3000 rpms it lags or misses if it sits around those revs and you push the throttle forward it drops revs misses then picks up back to normal
it also happens a 4300 rpms but not all the time. Not good when landing pull the power back to decend and need a bit of power to slow up the decent it takes a bit before any responce any suggestion what is happening .
Cheers Geoff...
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