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Old April 28th, 2008, 08:56 AM
derekwebb2008 derekwebb2008 is offline
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Default 1991 85 hp yamaha 2 stroke

Engine runs fine but impellor doesn't pump enough. need schematic on what and where to disassemble. how hard is it to check for a blockage and test for leaks sucking air.
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Old April 30th, 2008, 02:02 AM
noelm noelm is online now
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Default Re: 1991 85 hp yamaha 2 stroke

pretty simple water Pump replacement on that one, if in doubt, buy yourself a manual and just follow the steps, does it only over heat at high RPM??
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