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Merc 60 hp firing problems

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Graderjockey

New member
Hello there. First time poster and newbie boat motor. I have a 60hp merc, approx 1988 model. Hole 2 does not fire properly in the water but when in my drive away it fires and the engine runs smooth. All plugs firing and seem to be good spark on all three. Any suggestions?
 
Do a compression test first to see if all is okay--should be at least 130 psi If okay, then replace the ignition coil for that cylinder.

Jeff
 
Hey thanks for the advice and i will do that. So far i have taken off the water jacket cover on the back and the exhaust cover. What i found was the seal on the exhaust side seemed to be leakin between water side n exhaust at 2 piston. So i sealed everything up with good gasket maker. If water was leakin thru that point and knowing that 2 strokes have suction on exhaust side that might be that water was gettin into it. Hopefully. Any thoughts anyone.
 
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