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    97 Johnson 112, blown piston

    My 97 Johnson 112 special, ser # G4047539 Model XE112SLEDR has a badly burned #2 piston. The piston is partly melted on the intake side and crown. The other pistons seem normal. What can cause this, timing, fuel problem? Any suggestions, I don't want it to happen again..
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    96 Evinrude 112 special, burned piston

    My 96 Evinrude 112 special has a melted/burned #2 piston. The engine runs, but has no compression in #2. It was overhauled at the beginning of the summer and had run fine during the summer. What can cause a burned piston? Timing? Running to lean? Help
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    Winterizing a 2003 Yamaha 150 HPDI

    What is the best procedure for winterizing my 2003 150 HPDI Yamaha. I suspect faulty winterizing last year caused me to have to replace the HP mech fuel pump. Also, what is the conscious on the fuel tank, some say store full, with a stablizer and some say store empty? What's best.
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    Yamaha HPDI injector mounting compound

    Can any one tell me the part number for the green compound that the HPDI injectors are set in, or an available substitute. I imagine it is a heat transfer paste. My engine is a 2001 150 HPDI.
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    Help, Yamaha 150 HPDI, engine surging

    Help, RODBOLT or anyone My 2001 150 HPDI Yamaha model Z150TXRZ, starts and idles ok, when I bring it up to around 2000 it starts surging violently as if running out of fuel. Here's what I have done so far. I have checked the VST tank and electric motor, all spotless, I put a Gauge on the test...
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    2001 150 Yamaha HPDI breaking up

    I had previously posted my Yamaha 2001 !50 HPDI model # Z150TXRZ wouldn't start. With help here I found the check valve between the filter and vapor tank was stuck. Someone said just get rid of it. The engine started right up and idled fine. After launching the boat I find it will start and...
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    Yamaha 150 2001 won't start.

    My 2001 Yamaha 150 Z150TXRZ won't start. The engine ran fine last year and now after winter storage won't start. I drained the low pressure reservoir for storage last year. The engine will fire as if starting and run for a few seconds with gas sprayed into the intake. The low pressure pump is...
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    Century 2000

    Hi, buying a 2001 Century 2000 with a 150 Yamaha. Boat is loaded with options and great shape, has low engine hours and I know the owner. Price $11000. He had a problem with water in the fuel 2 times this summer. It doesn't appear to be where he buys it because of no other complaints. I checked...
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    Yamaha 115 1960 oil transfer problem

    My 1960 115 Yamaha doesn't transfer oil from the boat tank to the engine tank. The emergency switch also doesn't work. Is there a procedure to trouble shoot this? The schematic I have is not very good.
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