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  1. biggizmo

    78 Stinger75 starts and runs fine on land

    Have a question...when I went through the link and synch procedure. I dropped a washer down inside the motor housing pit..so I got an extractor tool out and found several screws and a black rubber stop bumper. It looks like one that SHOULD have been on the spark advance stop screw. If it isn't...
  2. biggizmo

    78 Stinger75 starts and runs fine on land

    Have been busting brain cells on this one. 1978 Johnson 75 Stinger starts up with flick of key on land with muffs and also in a tank. Runs great. Put it in water...bogging death and sometimes won't start. Recently checked and cleaned out float bowls because of flooding. Not the problem. New...
  3. biggizmo

    120 mercruiser overheating but oil stays cool to touch

    bought a 1970 16' Larson with 120 Mercruiser marine #3849449. Put muffs on it & it ran fine. Water & exhaust flowed out of outdrive as expected. ran for about 10 minutes no problem. Put it in the water warming up at dock, took it out short distance & overheated. Oil pressure gauge indicates no...
  4. biggizmo

    Synchronizing Throttle & shifting problems

    I have 1968 V4-100 hp Johnson (V4TL-14) with an electromatic lower unit. Engine runs fine; went over it with a fine-tooth comb using Seloc & Clymer manuals. Neither one of these tells me how to synchronize the RPM so I can shift. I can manually rev up the engine at the carb'; once I shift it...
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