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    How To Bypass the Neutral Safety Switch

    I have a 1989 OMC with a Chevy 4.3V6. I have read posts that in various situations, recommend starting W/O/T, but I have a neutral safety switch. How do I bypass the switch to start W/O/T? I have identified the wire from the throttle to the ignition and tried removing it...no ignition.
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    need help interpreting results of manifold pressure test

    I have a 1989 OMC Chevy 4.3 V6 with a small amount of water in my port-side cylinders. The 1989 OMCs have large, 1 piece cast iron manifolds. See picture:<br /><br /> <br /><br />I removed the port-side exhaust manifold, blocked/sealed off the exhaust exit and pushed water into the intake...
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    White Goo Under Valve Cover

    History: I have a 1989 OMC with a 4.3V6 Chevy engine. Previous owner didn't winterize and cracked the block. The crack was exterior and was fixed. Boat has run well for two years. <br /><br />Problem: 1) This summer, pulled the right side exhaust manifold in July to replace a cracked...
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    Why Do You Have to Run Engine with Water

    To expand on the question, I know from reading posts and my manual that you should never run an engine without it being in the water or without it hooked up to muffs with running water. If you do so, the engine will overheat and the water impeller (not sure if this is the right term) will...
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    1990 Chevy/ OMC won't start - water in plugs

    I have a 1990 Chevy 4.3 v6 with a OMC Cobra I/O. She won't start and when I pulled the plugs, the left side were fine but the right side plugs were wet and had some water in them. What does this mean and what do I do? <br /><br />Thanks
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    OMC Cobra 4.3 Troubles Shifting into Reverse

    I have a 1990 Citation boat with a OMC Cobra sterndrive powered by a Chevy V6 4.3L engine. I am having troubles shifting into reverse, especially while in the water. When running the motor in my driveway with the muffs, she shifts into reverse with little if no grinding. In the water, not...
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    Can't determine correct OMC Cobra manual

    I have a 1990 Citation boat with an OMC Cobra stern drive powered by a Chevy 4.3L/2 barrel/V6 engine. I am trying to find the original OMC manual for my stern drive. There seems to be plenty of OMC manuals from 1986, 87 and 89, but I haven't even scene one from 1990. Can these year's manauls...
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