1986 Johsnon 110

vetdoc1

Cadet
Joined
Sep 14, 2005
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9
Water is getting in one lower cylinder. Have changed head gasket, examined head and cylinder walls and have not found a crack. Compression check showed 93 with other cylinders 93 96 92. Any suggestions? Thanks
 

rodbolt

Supreme Mariner
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Sep 1, 2003
Messages
20,066
Re: 1986 Johsnon 110

could be an exhast divider plate leak. in one case it was actually a leak at the casting for the cyl sleeve intake port. do a leak down test on the affected cyl to rule out a head or head gasket. I have also seen water drawn into the crankcase from a defective crankshaft seal.
 

vetdoc1

Cadet
Joined
Sep 14, 2005
Messages
9
Re: 1986 Johsnon 110

Originally posted by rodbolt:<br /> could be an exhast divider plate leak. in one case it was actually a leak at the casting for the cyl sleeve intake port. do a leak down test on the affected cyl to rule out a head or head gasket. I have also seen water drawn into the crankcase from a defective crankshaft seal.
 
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