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    1975 4hp evinrude temp

    Ok guys I put new head gasket,exhaust gasket cleaned water passages put in new inpeller and motor seems to run good-The qestion I have is are the cylinder head and plugs going to get very hot while running-The side of the block feels ok I can lay my hand on it for awhile but the head I can only...
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    To put sealant on gaskets or not-

    Another question, I have a 1975 4hp evinrude that was running a bit hot so I pulled the cylinder head and exhaust plate and found a piece of rubber in there-anyway when putting the powerhead and exhaust plate back on should I put a a high temp sealant on the gaskets? Also should I flat sand the...
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    Spark plug for 1975 4hp

    Hi guys, I have a 1975 4hp evinrude #45B37A which Im going through and need to know the correct spark plug-They have a ngk B6s is this the right plug? Still waiting on my manual-Thanx in advance-would like the champion plug if able-
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    Replacing fixed high speed jet

    Wondering if someone could help me out here-I have a 1975 4 hp evinrude with a fixed high speed jet that was corroded and plugged up, in the process of opening I ruined the jet, I was wondering if I could replace with a high speed needle jet-Thanx in advance
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    4hp evinrude model #?

    Can somebody tell me how I can find out the model # of a 4hp evinrude with a serial # of 45B37AB6840-Thanx
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    1975 4hp evinrude

    New to site -Just got this motor nice little 2 cylinder-Waiting on manual but cant seem to locate vent plug on lower unit-found drain plug-anyone know-Thanx in advance
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