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Milky spark plug

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spicerak

Contributing Member
I went out today fishing. boat

I went out today fishing. boat was running good. later in the day after i think maybe flooding engine it started to not run as good.got home and checked plug and one was milky what do u think that is i cleaned it up and it runs fine again.thanks
 
water getting in cylinder...ck

water getting in cylinder...ck compression..ck fuel for water...ck that sd hd gasket..inst new one.
 
i did before have some water i

i did before have some water in fuel.i do have a water separater should i replace that filter.how come when i clean the plugs it will run fine for a while .how come it just that plug?will this be a problem?
 
"ck that filter for water,if p

"ck that filter for water,if present,repl it..clean/drain fuel tank...filter may be fuel of water,...not sure why just that plug if its a water in fuel prob...i would lean more to hd gasket.....yes....it IS a problem."
 
if it is the head gasket would

if it is the head gasket would it just affect one or 2 plugs also is it a big job to change that gasket
 
"yes,it could affect a single

"yes,it could affect a single cylinder...not a big job...use a new hd gasket,if u pull it...ck comp on the cyl that had wet plug."
 
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