Recent content by sinkher

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    1984 Johson 235 hp new head

    I need to know the proper proceedure to break in this new head properly, rpms, oil mixtures. The VRO's are disconnected. How many hours of running at what rps, etc...Thanks!
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    Head gasket replacement 165

    Anyone know how hard it is to replace a head gasket on a 1987 4 cyl and what is involved? I'm replacing it because it has been suggested that it may be blown causing the engine to overheat. I've replaced the impellar, riser, thermostat. The motor starts instantly and runs beautifuly. But after...
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    Riser differences. Merc. 165 4 cyl. B772088

    HI, I just bought a riser off e-bay to replace my old rusted one. The old one has a pipe that seperates the water and the exaust in the exaust elbow. Sort of a pipe inside a pipe. The new one doesn't have the interior seperating pipe. The two risers are nearly indentical and I was told the new...
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    mercruiser 165 1987 B772088..Radiators

    Gentlemen, My 1987 165 4cly B772088 is having chronic overheating problems. I won't go into the boring detalis, but here is my thought. Why can't I just splice in a decent radiator with an electric fan to cool the radiatior and bypass alot the problem causers. The heat exchanger, the riser, the...
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    Merc. 165 4l 1987 riser clogged?

    My first time out in this old "new to me" 1987 Mercruiser 165 4 cyl. gradually heated up to 200 degrees before a hose burst. Got the boat home and pulled the riser off to reveal that the water ports leading to the exuast manifold were really clogged. The local marine store reccommended that I...
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    Is my 165 (B772088) 4cyl, A 470 in disguise?

    I've read nothing here but that 470's are time bombs waiting to explode. I bought this 1977, 22 ft, Drumond, nice trailer, nice boat, ($550) with a mercruiser 165/Alpha one. Lots of work...pulled motor to replace oil pan, various gaskets, impeller, etc..Motor starts instantaly and runs stong...
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    mercruise 165, changed impeller,but now

    Now with the hose on water only exuasts through the prop and blows out by the shift coupler area. engine ran for 8 to ten minuets very smooth and srtong before I shut it dowm, the temp held around 140. Question is, shouldn't it be blowing out other exaust ports also rather than just through the...
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