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  1. Gary H NC

    Water in oil?

    I was taking the boat out today and was doing my usual checks.The oil was about a half quart low.<br />It looked fine on the dipstick but when i removed the fill cap i noticed the inside of the cap was milky brown.<br />Is it normal for these 4.3 motors to have enough condensation in them to...
  2. Gary H NC

    Question for Paul Moir-OMC parts

    Hi Paul,The Omc Trim switch you looked up for me,Part#0586348..Do you know a source where i can buy this part? Thanks!
  3. Gary H NC

    Looking up OMC parts

    Does anyone have a way to look up parts by the old OMC numbers?<br />Still looking for a trim switch for my side mount control.<br />The best i can tell its a OMC control.<br />Had a guy at a marina look at it and he thought the same.<br />The part # on the switch is 0586348-AE.<br />Trying to...
  4. Gary H NC

    Looking for a trim switch

    Anyone know where to find a trim switch that fits in a OMC side mount control..1987 model.<br />I have looked all over the internet with no luck. :confused:
  5. Gary H NC

    Single control trim switch

    anyone know the best thing to do to replace the trim switch in a side mount single control?<br />Its a black control with the small thumb switch..<br />The only thing i can find is a M on the control.<br />Have searched Iboats and only find a steering wheel mounted switch..<br />Does this mean i...
  6. Gary H NC

    Cobra impeller..Help!!

    I pulled the old impeller of my 87 cobra to replace it. Should the impeller housing be oval?<br />Could someone have installed the wrong part?<br />I have a pic if i can figure out how to post it.
  7. Gary H NC

    motor mount..help

    I have been having a steering problem with the boat pulling to the port side.I was doing some inspection in the engine compartment and noticed the starboard side motor mount had gotten loose and that side of the engine was sitting about an inch lower than the port side.I lifted the engine up...
  8. Gary H NC

    Impeller change

    Is it best when changing the impeller on a 4.3 omc to buy the kit with the housing included?
  9. Gary H NC

    Question for Don S

    I have been having a steering problem with the boat pulling to the port side.I was doing some inspection in the engine compartment and noticed the starboard side motor mount had gotten loose and that side of the engine was sitting about an inch lower than the port side.I lifted the engine up...
  10. Gary H NC

    Best prop for 4.3 omc

    I have a 19ft starcraft fiberglass v hull open bow.It currently is running a 21 pitch stainless 3 blade prop.My WOT is around 4300 to4400 at speed of 40 mph. The prop looks kind of old and looks like it has been filed down on the edges of the blades. I'm running a set of smart tabs trying to get...
  11. Gary H NC

    Engine serial numbers

    I found 2 different serial numbers on my omc 4.3 and am trying to figure out if the engine was replaced.It was on the thermostat housing.A new sticker was put over the original one.<br />Serial number on newer sticker was T0480734 and the old one was T0940956..<br />Does anyone have a way to...
  12. Gary H NC

    4.3 cobra jumping out of reverse

    I was out on the water yesterday and this is the first time this has happened.Backing away from the ramp at just above idle it started jumping in and out of reverse.After i ran around the lake awhile and tried reverse again it didn't happen.<br />I was wondering if the drive being cold could...
  13. Gary H NC

    Smart Tabs- still having problems

    I have tried everything and don't know what else to do.I installed Smart Tabs and tested today.<br />The boat gets up on plain much better but still having a porpoising problem around 30 mph.<br />I have trimmed in..out..moved weight around you name it i tried it.The strange thing is the...
  14. Gary H NC

    Extending speedo pickup tube

    I just installed a set of smart tabs and had to relocate the speedo pickup.The tube was about 5 inches to short.I found some hard plastic line at the local auto parts store and used a plastic insert to connect the two lines together..The insert had a smaller inside diameter than the tube does by...
  15. Gary H NC

    Smart Tabs-Thanks NautiJohn

    I ordered my smart tabs monday night and was suprised they were delivered thursday.<br />That was amazing shipping time for using the standard ground service.<br />I got them installed over the weekend and can't wait to get out one evening this week and see what they do.<br />The directions did...
  16. Gary H NC

    Filling holes from hydrofoil

    Anybody know what the best thing to use to fill holes on the cavitation plate.<br />I was thinking about JB Weld and then sanding it smooth.I didn't think bondo would be the way to go..
  17. Gary H NC

    4.3 head gaskets

    I just replaced the head gaskets on my omc 4.3<br />Took it out for a test run and had no problems.<br />Someone had said i need to re-torque the head bolts after running the engine awhile.<br />The mechanic that did the work never mentioned it! Should i have this done before running it again? i...
  18. Gary H NC

    Suggestions?-porpoising

    My 19 ft. I/O Is having a problem with porpoising at about 30mph..Once it starts i have to slow way down to regain an even ride.<br />I have installed a stingray hydrofoil,it seemed to help get the boat on plane much better but the problem was not resolved...<br />Anyone have any ideas what else...
  19. Gary H NC

    Starcraft,OMC

    Just wanted some opinions from members.<br />I purchased a 19ft.1987 starcraft for 2500 bucks.<br />The boat looks great,interior looks very good,solid floor,everything works.<br />It has the 4.3 omc engine with a Cobra outdrive.<br />I replaced the cap,rotor,points,wires and spark plugs.It...
  20. Gary H NC

    Starcraft,OMC

    Just wanted some opinions from members.<br />I purchased a 19ft.1987 starcraft for 2500 bucks.<br />The boat looks great,interior looks very good,solid floor,everything works.<br />It has the 4.3 omc engine with a Cobra outdrive.<br />I replaced the cap,rotor,points,wires and spark plugs.It...
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