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    MSX-150 wont go full throttle

    Have a 2004 MSX-150 jetski . Wont go full throttle. Runs fine at half throttle but thats it.Replaced System Module, PPU interface module,PPU and throttle body. So not sure what else to look at? Anyone had anything like this on a jetski? Its a Polaris. Thanks
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    Idles then dont

    Have 150 Johnson 1984. Runs great and ildes fine for a few seconds then dies. Rebuilt carbs. Have removed oil injection system so running mixed fuel. Run great last couple of years until carbs gummed up. But never really idle very well back then either. New fuel lines fuel filters. New primer...
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    Freeze plug part number

    Hello im looking for the part number on a 4.3LX mercruiser exhaust manifolds freeze plugs.Part # 18-1952-1 sierra brand. Measured out 1.11 they are the disc style freeze plugs Thanks Mike
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    Code 1109 60hp 4 stroke

    Hello have a 60 hp mercury 4-stroke. Has code 1109 keeps coming back. The electric fuel pump doesn’t receive any ground from the ECU. Fuel pump relay is good getting 12 volts to fuel pump. Have replaced fuel pump and relay. Im think the ECU is bad. Anyone have any thoughts Thanks Mike
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    3.0L carb bogs out

    Hello on a 3.0L Mercruiser. The carb bogs out from idle to throttling up. Has new fuel pump, new fuel lines, and new fuel. Rebuilt carb didn’t really see anything that said thats it. Put new intake to carb gasket on. The choke is fully opened. Timing set on the money. I’m thinking needs to have...
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    Wont fire on plugs

    Hello i have been working hard on a 3.0L mercruiser with HEI distributor. Had it running to set valves, installed everything back now no ignition! Purple wire going to coil is 12 volts with key on and cracking. White/ Green wire is 12 volts to distributor. Distributor is ground to engine good...
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    200 verado won’t run above 4500 RPM

    Working on a 200 mercury verado . We did a complete rebuild of the pontoon removed helm. But it all back together and engine revs to 4500. Same prop. Put diagnostic computer on engine no history codes. No active codes. It’s an electric throttle and shift controller on helm. I have looked the...
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    Engine dies under a load

    Hello have a 1984 Johnson 150 V6. Replaced all fuel hoses,fuel filter, rebuild carburetors,replaced spark plugs,drained fuel tank and added new fuel, replaced primer bulb, and checked fuel pickup tube screen. Timing is 8 degrees at idle and 32 at 5000 rpm. Engine runs great without a load on it...
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    Engine over heats

    Hello Volvo 5.0 GL overheating! Checked vents and all hoses for some kind of blockage nothing found! Replaced sea pump. Replaced thermostat. Still overheating. Replaced circulation pump still overheating. Pulled lower unit check suction tube all good. What I’m I missing?! Not the gauge it’s...
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    Mercury 40 4stroke buzzer goes off randomly.

    Mercury 40 4stroke with 136 hours on it. Buzzer goes off randomly and puts motor in guarding mode.Replaced water pump thermostat and water temperature sensor. Changed nothing. When running it runs great. Oh and last year replaced all coil packs
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    Verdaro 200 won’t throttle up full RPM

    Have a mercury 200 verado with electric remote controller I can’t reach full RPM. Did replace the mercury the tach out. Do I need to reset with laptop?
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