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    OMC 120hp - Left water intake cap off on lake and overheated bad

    Hello. I have a 1972 Bell Boy with a 120 hp sterndrive omc. It has the water intake that you hook up the hose to for on land starting. It has a cap. Well I forgot to screw it back on before I headed out on the lake. Ran fine at first for about 5 minutes. Then massive overheat and loud engine...
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    Help Identify part of my engine OMC 120hp

    Hello. I have a 1972 omc 120. Here is a picture of the engine. On the left side (close to the camera) there is a cylendar hooked to the engine and pipes running into the block. Is this some after market fresh water cooling or a power steering pump? It is no where in my manual. Thanks, Van
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    OMC 120hp WOT fine on land but in the water won't go above 3000 rpm - 18 mph

    Hello. I have an 1972 18 foot Bell Boy with a 120hp omc. On dry land with the water going through the engine it revs in netural above 4500 rmp. In gear it does the same. When I put it in the water I can't get it above 3000 and that runs it at about 18 mph. The engine runs great, fires...
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    1972 OMC 120hp Goes forward in reverse gear and reverse in forward

    Hello. A few months ago I purchased a 1972 Bellboy with an OMC 120hp 4 cyl. I did a basic tune, up, replaced the tilt solenoids, fixed up the tilt clutch and that's about it. Ran great on land at home wit the water hooked up. I took it out on the lake and it fired right up. However when I...
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