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  1. K

    1971 OMC 155 exhaust shutter valve

    I am unable to locate a drawing showing the exhaust shutter valve for this I/O. I see the exhaust from manifold to the rubber and the upper outdrive but nothing else. Can someone point me to a drawing so I can find the replacement part or better still sell me a good used or new one? Thanks
  2. K

    How do I know if I have a Hydro Electric or standard Electric shift in my 1971 50hp Evinrude Outboar

    I have a 1971 Evinrude 50hp that was obtained to swap out for a bad motor. The original motor had a dual cable remote for shift and throttle. This motor only has connections for one cable. Research shows that it is probably an electric shift. I am finding remote controls but some are Hydro and...
  3. K

    Testing 1973 Evinrude with no spark

    I have a 73 50hp with 2 cyl and the power pack. I have searched these forums for information about the NEON TESTER M80 and found several. I have a "spark tester" that I can use to check the output spark from the coils. I have no spark by the way. Most of the tests show the M80 "neon tester"...
  4. K

    50hp 1996 Yamaha Outboard has unusual vacuum reading on syncronization

    I have one cylinder on this outboard that the vacugauge shows with very high vacuum. Its totally off the scale from the rest of the cylinders. Any idea what that is all about??
  5. K

    Cracks around under the outdrive and transom boot on 86 Renken - Safe or not?

    We have a 86 Renken that has a OMC Stringer with the rubber transom boot. It looks like someone previous to this purchase has banged into something and there is a ding on the edge of the bottom of the transom that has been half repaired. But what is concerning is there is staring with long...
  6. K

    1986 Cobra OMC Outdrive Shift Tool

    Greetings, Ok, this may sound silly but I see a margin for error here. I am working on a lower unit that someone, definitely not me, has tweaked without knowing what they were doing. So I am adjusting the shift rod height with the tool. Should the base of the tool rest on the top of the housing...
  7. K

    1996 50 hp Yamaha missing until about 2500 RPM

    I have had this issue where this motor seems to miss on one cylinder until about 2000 to 2500 RPM at which time it kind of takes off and runs fine up to 5000 or 5300 RPM. Here is what we have done or checked so far: New non alcohol gas. Inline fuel filter remains clean and no water. New...
  8. K

    2005 Mercury 115hp EFI Winterizing

    Can some one tell me or point Can some one tell me or point me to a online source that explains the entire winterizing process for this motor please. Thanks
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