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  1. sirchad

    Carburetor issue??? Cut out at high RPMs

    I have fought an issue for a few years and I simply gave up on it. But now the symptom has changed. Symptom: engine cuts out above 4K RPMs. This would only happen once or twice every trip to the lake. I just rebuilt my carburetor and now it happens almost every time I get above 4K RPMS...
  2. sirchad

    Mercarb tuning

    I am looking for a procedure for tuning my mercarb. 4.3L 2002 I just rebuilt it following the videos from Mikes carburetor on youtube. It ran descent prior to the rebuild with the exception of a occasional bog at high speed and some dieseling. I cleaned it in simple green in a harbor...
  3. sirchad

    RPM drops intermittently at high RPMs. Merc 4.3L

    My boat has had a problem that sometimes comes and goes and I can't pinpoint what is causing it. Monterey 180 edge 4.3L 2002yr. Thunderbolt V ignition. I have had this boat for about 5 years. This problem has plagued me for about the last 3 years. It is intermittent. When running at high...
  4. sirchad

    1994 Mariner 25 hp lower unit seal repair help needed

    Recently the impeller/coolant pump went out on my 1994 25 hp Mariner. The pee hole or tattle tale was the indication of this. I removed the lower unit with no problem and can see the impeller is in bad shape and will replace it. Now the drive seal under the water pump looks kind of like crap...
  5. sirchad

    Not enough power from my 4.3L Mercrusier

    I don't seem to have enough power from my 4.3L Mercruiser 2002 Monterey Edge 180. I can get up on 2 skis but not 1. This boat is new to me and it seems to take too long to plane. When it's trying to pull me up on 1 ski it never came to plane and I was never able to fully get up on the...
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