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1986 115HP 6 cyl merc troubles

C

Cabmkr

New member
I picked up an 86 Thundercraft for the lake with a 115HP inline 6 cyl. The motor is very clean, starts and idles well. But when in the water the motor will only rev to about 2000 rpm and can hear it missing. What i did find when i ran it on the trailer was that i did get a shock form the #6 plug lead. Also a bit of feul is being spit back out the lower carb So what i was thinking to start with was to replace all the leads, it has new plugs already. I was wonding if these motors have had any problems or what things to look out for.

Thanks for any input in advance
Chris
 
Spitting back like that usually means a bad reed valve. Hope not, for the cases have to be split to fix it.

Jeff
 
Turned out to be the stator, got it back form the mechanic last night and took it out and runs great except for a bit of richness off the bottom. I just need to adjust the pilots and then we should be all good!

Thanks
 
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