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    200 hpdi compression. Good or no good

    You are well above Yamaha's minimum compression specification for that model. You can try some ring free for a period of time, or a decarbon treatment, to see if the pressures rise, or become closer to one another. But if the motor starts, idles and runs well it should not be of concern.
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    whining noise in throttle

    Sounds like you have a 703 side mounted remote control box. The warning horn/buzzer is located within the control box. When you hear the horn, stop the motor immediately. There is no failsafe mode. Keep operating the motor with the horn whining and you can ruin the motor. A reduction from...
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    Please help cant find wiring schematics/diagram for 86 mercury 150 XR2 serial number 0B199676

    What is the issue that you are trying to solve? The electrical connections to a two wire R/R can't get any simpler.
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    2006 Yamaha F150 wont turn off

    Have you checked for continuity between the black wire and the white wire at the key switch panel connector? Key off = continuity. Key on = no continuity. Kill switch lanyard pulled = continuity. Kill switch lanyard in place = no continuity.
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    1999 Yamaha vmax

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    2006 Yamaha F150 wont turn off

    Have you disconnected and reconnected the ten pin harness several times at both ends? Could be some corrosion build up on the terminal pins that are not allowing the ground from the key switch/kill switch to make its way to the motor.
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    1999 Yamaha vmax

    That is the model. Not the model code.
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    1999 Yamaha vmax

    Yes. 64L.
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    1995 Yamaha 130 oil injection lroblem

    Thanks for the feedback. Glad you found the problem.
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    1998 Mercury 150EFI wiring help

    It will be found in the applicable Mercury service manual.
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    90TLRB oiling rate setting

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    Suzuki DT115 Voltage Regulator/ Rectifier

    I presume that you have but two electrical leads coming from the stator coil. Is that correct?
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    1999 F40TLRX DIAGNOSTIC PORT LOCATION

    A 1999 F40TLRX does not have YDIS capability.
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    Mariner 9.9 length

    Long.
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    1995 Yamaha 130 oil injection lroblem

    Black to the switch. Black/red from the switch. From the blue connector. Notice that at a junction point with the engine harness the B/R turns to green/black. G/B to the oil control module and G/B to the oil connector (#25). The switch referred to is within the sensor switch assembly located...
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    1995 Yamaha 130 oil injection lroblem

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    yamaha 250 electrical steering

    A complete model identity will help.
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    35 HP - Never had Charging even though it's electric Start? Is this possible??

    Go to the Mercury Marine parts catalog https://www.mercurymarine.com/en/us/parts-and-accessories/parts-catalog?gclid=CjwKCAjwpKveBRAwEiwAo4Pqm6JIrzner3CFcr-0DidW_n0WQYnRdOVfmu02gJDFF3ONGayJbxAydhoCahcQAvD_BwE and enter the serial number into the search box. It will take you to where you have...
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    Mariner hit lead to cdm connection

    Need answer pdq
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    1995 Yamaha 130 oil injection lroblem

    The yellow light is telling you that the remote tank in the boat is low on oil. Or the oil control unit thinks that it is low. When there is sufficient oil in the tank a sensor switch closes due to a float in the tank rising. In which case a ground goes from through the switch and on to the oil...
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