Antifreeze on spark plugs on '00 MM 700

crevon2431

New member
Joined
Dec 28, 2013
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2
Location
Kwigillingok, Alaska
I just finished overhauling the engine, changed 20 of my cylinders with a piston kit. Gaskets weren't changed, no seal on the the crankcase halves. Antifreeze is showing up on the mag and pto plugs. Do i need to change my head gaskets? Seal the crankcase halves?
 

If you had the crankcase apart you need to seal it with yamabond 4 or there is a permatex product that works the same. I cant remember what it was called. If the gaskets are old I usually replace them. You can get away with using the permatex copper gasket spray on the old gaskets. If it were me I would seal the crankcase and put new base and head gaskets on.
 
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