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    Late 90's M140A2 RPM Drop = Power Loss

    During normal operation engine runs fine. 20 min later RPM drops to 2200ish. No response to throttle position unless lower then 2200. Putter, putter then pick back up but ultimately drops again and back to the ramp I go slowly. Compression: 120 on all but bottom at 115(always has been for last...
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    Starter Amp Draw on a T9.9????

    Trying to size a battery for my kicker. Normally I use the main. In this case I am putting it on a small RIB. Dont want a Group24 in this little boat. Thinking Group U1 or other PWC battery like Odyssey PC 625. Thanks Derby
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    1996 M140A2 Installing Blue Seas ACR Looking for Starter Isolation Location

    Motor 1996 M140A2 Issue is trying to locate a termination point for the starter isolation circuit on a Blue Seas ACR. A location at the motor is preferable to one near the controls. I would think that the green wire on the starter solenoid is the right wire to tap into. I have a Factory...
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    How Does Clutch Dog Ratchet?

    I just replaced the shaft housing on my M140A2 and have everything back together ready for pressure tests. I checking the shifting I realized that while in forward or reverse I cannot turn the prop any direction. In neutral it spins free. I'm trying to figure out how the mechanizim allows the...
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    Misatkes Were Made...Crossed Battery terminals..Now what?

    After a month of rebuilding my new used 1985 Merc 75 hp I was getting ready to take her out. Of course I had to strap down the battery. That required rotating it from the position I was using it in. And I crossed them and immediately changed them back. I saved my electronics with inline fuses I...
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