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    Yamaha 200 hpdi timing issues

    First think to know is that if the code for the pulser coil is being set it does not mean that the pulser coil is bad. It means that the ECU is not getting good data with respect to the pulser coil. Could be wiring to the pulser coil or wiring from the pulser coil.
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    Power Trim

    Or disconnect the terminals from the relay. Apply battery power directly to the blue wire and the green wire. See if the T&T unit functions normally.
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    charging help

    You missed the part where the battery is a core component of the motor's electrical system. Fuel pumps and injectors (at a minimum) need battery voltage to function. For what reason was the battery disconnected?
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    slight gas in oil 2009 yamaha 4 stroke

    A 2009 F150 has a red line RPM of 6000. You are over propped.
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    slight gas in oil 2009 yamaha 4 stroke

    You and other users of Mercury Marine, Suzuki, Yamaha, Honda, Tohatsu and Johnson four strokes have suffered from gasoline in the oil. Known as the engine "making oil". There is nothing for Yamaha to defend. It is a characteristic of four stroke motors. There are a number of events singularly...
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    slight gas in oil 2009 yamaha 4 stroke

    Run the motor at wide open throttle (WOT) with the boat loaded. Engine trimmed up just to the point of best boat speed and no further. What is the WOT RPM?
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    slight gas in oil 2009 yamaha 4 stroke

    That is one possibility.
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    Yamaha 6 HP part is for

    Motor mount cover. Removable to gain access to the motor mount. Decorative.
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    slight gas in oil 2009 yamaha 4 stroke

    What model? What is the usage pattern? How is it propped? What is the age? How many hours?
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    Merc 2005 115HP Rod and Main Bearing availability

    Comparing images in the Mercury parts catalog with images in the Yamaha parts catalogs shows them to be identical. Below is an image from the Yamaha service manual. See if your crankshaft and your cylinder block have the markings which are used to get to bearing colours. If your bearings are...
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    Merc 2005 115HP Rod and Main Bearing availability

    A Yamaha crankshaft and the block should have some markings stamped on them. Those markings are used to get to the correct bearing colours. Yellow, red, green and blue. Then using plastigage a check is performed to assure the proper clearance. Same with the rod bearings.
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    Merc 2005 115HP Rod and Main Bearing availability

    That does not look like the serial number.
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    Merc 2005 115HP Rod and Main Bearing availability

    What is the serial number of your motor? I am thinking that it is made by Yamaha but maybe not.
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    Merc 2005 115HP Rod and Main Bearing availability

    Nothing in there about bearing color selection?
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    Merc 2005 115HP Rod and Main Bearing availability

    Is the serial number of the motor not known?
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    Merc 2005 115HP Rod and Main Bearing availability

    What is your Mercury service manual telling you to do with respect to bearing selections?
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    Can someone help me, what is this

    That motor could use a good cleaning.
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    Can someone help me, what is this

    Upon further review, it appears the larger hose might be the one that connects to the flush fitting. Which, as alluded to earlier, can be seen in the Yamaha parts catalog for the model in question. If one were to use the Yamaha parts catalog. Which few seem to do. upload photos online
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    Can someone help me, what is this

    When the motor left Japan there was one hose that ran from the lower cowling area down through the mid section and on to the lower unit. the hose conveys Pitot tube water pressure for those that have a speedometer and choose to use that for their boat speed. If some backyardigan chose to add...
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    Can someone help me, what is this

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