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  1. J

    Water in outdrive

    Pulled my 1988 3.0 litre mercuiser out of the water today and went to drain and change the gear lube on the outdrive. In past years had a local mechanic come to the cottage to winterize, but he moved to Newfoundland!! (maybe that says it all!!) Noticed the vent plug was missing and most likely...
  2. J

    Not much spark

    I have a 1988 Oliver 17 ft with a 1988 Merc 3.0L 130HP. Since we bought it last year we have been unable to achieve WOT under load....can get 2800 to 3000 RPM even after dropping to 17 pitch prop. In neutral can get 4500 RPM no problem. Two different mechanics had the boat last year and after...
  3. J

    Max 2600RPM???

    I have a 3.0 L merc on a 17 ft 1989 Oliver that has given me endless low RPM problems at WOT. Had two seperate mechanic look at engine and lower drive over last 7 weeks -moocho$. Carb rebuilt, head gasket replaced and head machined, checked for exhaust restriction (as flappers were missing)...
  4. J

    1989 Oliver 16 & 1/2 foot bowrider with 3.0 L merc

    I bought an 89 Oliver which has given me a low RPM problem at WOT. I have been running a 19 pitch prop and it has been suggested that I should run no more than a 15 pitch prop. Anyone got a similar boat and provide guidance?? :confused:
  5. J

    Desperate! Six weeks and 2 different mechanics?

    I've posted a couple of messages before...but am now desperate!<br /><br />Bought an 89 Oliver 1650 with 3.0 L 130HP Merc 6 weeks ago! When purchased, former owner had just had carb rebuilt. Could not get RPMs above 2600 and owner indicated he was running the wrong prop (a 4 blade 23 pitch when...
  6. J

    Resetting Trim Gauge

    Have a 1989 3.0 L Mercruiser on an 1989 16.5 ft Oliver. The trim gauge is off slightly, in that when the drive is down to its limit , the needle on the gauge is off the scale. I would like to readjust so that right down is at the lowest mark on the gauge and when the boat starts to bounce it is...
  7. J

    Blown Head Gasket on 3 L Mercruiser?

    I recently bought a 89 Oliver1650 with a 3 L Merc. The beast was running poorly, so I drained and flushed out last years gas (and water) and had carb rebuilt by mechanic. He also installed exhaust flapper valve as it was missing. After 4 weeks just got it back in the water!!! Runs smooth but...
  8. J

    Exhaust Restriction in 3.0 L Merc ??

    I just bought a 1989 Oliver 1650 with a 3.0L I/O Mercruiser. The carb was removed and rebuilt last month prior to buying the boat. Can't get more than 3000RPM and tends to bog when given full throttle, although will rev to 4500 out of gear. New mechanic took off carb and said it was full of...
  9. J

    RPM's way down!!

    Just bought a 1989 Oliver 1650. The boat ran not bad but slow out of the hole. The seller stated that it had the wrong prop on - a 4 blade 23 degree and it should be a 19 degree. Also could only get 3000 RPM max and 27 MPH. Changed the prop to a 19 degree 3 blade. Can now only get 2800 RPM...
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