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  1. M

    Voltage regulator test good or bad?

    I purchased the CDI 40 amp 4 wire stator kit with the dual voltage regualtor to replace water cooled reg. Stator is 174-9610K2, dont have the kit part #. When I installed the kit I wired the stator incorrectly to the voltage regulator(like a dummy) and freid one of the regulators. So one reg...
  2. M

    RPM's on a 200 mercury

    Gentlemen, How many RPM's should a 200 mercury turn? I'm no mechanic by no means but surely an outboard motor on a high performance boat will turn at lease 5500 easy. Here's the deal, I took my motor to a local "out of his house" mechanic because my motor at WOT would only turn 4000 RPM's...
  3. M

    2.4L mercury Nightmare. Assistance needed

    I'm Back Gentlemen, I have had problems with this lemon of a motor since I bought it. It was a 2.5L 200 mercury that someone rebuilt and put a 2.4 powerhead on and switched over to EFI. Here are my problems as well as the test and parts I have already put into this. First, the motor would...
  4. M

    What size prop for my 200 EFI merc

    Need some help figuring out the correct prop size for my motor. I have a 1991 19 ft norris craft FISH AND SKI that has a 200 merc on the back. It used to be carburated then was changed over to EFI. It currently has a 25p tempest plus but from what I have heard this prop is too big for the...
  5. M

    Symptoms of a Bad spark plug wire

    Gentlemen, Can you tell me the results of a bad spark plug wire? I have the following readings on my spark plug wires which makes me think this might be the reason my motor wont run past 4000 RPM's. #1 3440 ohms #2 3350 ohms #3 3350 ohms #4 3350 ohms #5 3420 ohms #6 10 ohms.
  6. M

    how fast should my boat run with this Merc?

    I have a 1991 Norris craft that has a 1991 200hp EFI 2.5L merc on the back. I dont think it is running on all cylinders and am only getting 45mph. So the question is, how fast should this boat really go? From what I hear Norris craft's are meant to be fast similiar to a bullet bass boat...
  7. M

    Inconsistant spark on bottom 2 cylinders? Need some help

    Hello all, I am needing some help getting my 1991 2.5 LITRE mercury 200hp running correctly. Took it out to the lake yesterday and only got the boat up to 45 mph. I knew the motor wasnt running right cause a norris craft with a 200hp should go at least 65mph. I will mention that I just...
  8. M

    Tilt and trim issues

    Model- 1989 Johnson 100gt j100stlcem Needing some help with my tilt and trim motor on my Johnson outboard. So here is the deal. One day I was tilting the motor up to put the lock down. i got the motor all the way up, put the lock down and hit the tilt and trim switch to go down and nothing...
  9. M

    Power issue with Livewell

    Hopeing someone can help me out. For some reason when I turn the power switch on to the boat all the gauges come on and the livewell starts running. The switch to the livewell is turned off but continues to run. I disconnected the battery while the boat was not in use. Hooked it back up and...
  10. M

    100 Johnson isnt running correctly. Help!

    Im new to this website and fairly new with working on boat motors so any help is greatly appreciated. I recently boat a stratos boat with 89 johnson motor. 100 hp model j100stlcem. The first problem I had but didnt know was the ignition switch. Not knowing that was the problem at first I...
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