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    150 merc v6

    i am replacing my cylinder head cover gaskets and wanted to know if i should use any type of sealer or locktite on bolts? i have read to torque to 110 inch pounds is this correct as they were a lot tighter than that. thanks for taking the time to read.
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    150merc outboard running hot?

    i last posted august 2 just installed new impeller on pump. now i have little water coming out tell tale so removed hose from telltale to fitting in block find little pressure out of block, very little from hose to telltale and t stats. also noticed poppet valve relief hole spitting water on...
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    150 merc running hot

    i have a 89 v6 merc 150 that runs hot. the alarm comes on but after turning the key off for a minute or less, alarm stays off starts up and runs. i have replaced thermostats twice, waterpump twice, poppet valve assy,temp sending unit. i installed a pressure gauge here is what it reads. 1500rpm...
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    150 V6 Alarm On

    I installed a water pressure gauge in my v6 because I have had a alarm on overheating issue. Upon testing on land w/ears on the pressure never exceeds 6 psi even though i brought rpms to 3000 . I figured it should be at least 10-15 psi. I originally tapped into the hose between cylinder heads...
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    v6 150 mercury ob

    I installed a water pressure gauge in my v6 because I have had a alarm on overheating issue. Upon testing on land w/ears on the pressure never exceeds 6 psi even though i brought rpms to 3000 . I figured it should be at least 10-15 psi. I originally tapped into the hose between cylinder heads...
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