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    Yamaha 130 hp 25 inch on 20 inch transom

    Yes to the jackplate. Yes to both. Shift shaft and water pump tube changes also needed.
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    Oil Injection Pump

    How did you come to 2006? OP says it is a 1988 model year motor. Two stroke. Four years shy of being 30.
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    Oil Injection Pump

    You can leave the pump in. Drain the tank but zip tie the float in the top position. Do you have the original Keihin oil pump or the replacement Mikuni oil pump.
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    1987 130 v4

    Neutral.
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    yamaha fourstroke crank bearings

    A machine shop should be able to deal with both warping and milling while keeping the cam shaft bores aligned. Recognizing that not all heads that are warped, or which need surfacing, are candidates for a successful repair. It will be up to the machine shop to decide which can be repaired and...
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    yamaha fourstroke crank bearings

    If a machine shop cannot keep the cylinder head surface parallel to the cam shaft bores maybe they should not be in the business of reworking a cylinder head.
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    yamaha fourstroke crank bearings

    What is there to deal with with respect to the cam shaft bearing bores?
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    Yamaha 2012 F250 installing heads

    What model F250? They are not all the same.
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    Looking at 8hp and 15hp 4stroke Merc

    OK. Rocket engine strapped down for test purposes. Boat tied to a tree on a bank with motor running wide open. Piston engine airplane chained to tie down fittings.
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    Looking at 8hp and 15hp 4stroke Merc

    Torque is technically a twisting moment. A force at the end of a moment arm will impart torque. Expressed in pound feet for US English speakers. Not feet pounds. Thrust is thrust. Motion is not required. Think of a jet airplane at full power with the brakes holding the airplane in position...
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    High current on fuel pump

    Georg Ohm. https://en.wikipedia.org/wiki/Georg_Ohm
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    High current on fuel pump

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    High current on fuel pump

    Can you post a picture of what is being seen on the Smartcraft display?
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    4 wire stator

    1998 90 HP what? Mercury or Mariner? What is the serial number? What part number old stator? What part number new stator?
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    Yamaha 90 no fire on cylinder 1

    Test equipment and test procedures are needed. Firstly to verify that the number one spark plug is not firing at any time. Presumption being that this has already been done. But then I am not understanding how the motor is running great below WOT RPM if the number one plug is not firing. With...
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    Suzuki DT15C wiring schematic

    The wiring diagrams would be in the applicable service manual.
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    2004 Yam F225 4 Stroke

    The entire assembly can be removed from between the clamp brackets.
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    2004 Yam F225 4 Stroke

    Probably. But why would you want to?
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    2008 Yamaha P90TXR block

    Or is it the block?
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    2008 Yamaha P90TXR block

    Understatement of the year.
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