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Idle too high

Jack s

New member
I have a 1989 90 hp vro, it idled at 600-700 rpm on the muffs the first 12 times I rinsed it, all of a sudden it wants to idle at 2100 rpm, the throttle linkage comes just too but doesn’t quite touch the roller arm on the carb, the butterfly valves on the carbs appear fully closed and the fuel lines from the primer selanoid don’t appear the be leaking , is this a vacuum leak problem? I don’t see anywhere else the carbs could be getting air?
thanks
 
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