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  1. M

    02 yamaha 250hp ox66

    with the key switch off still getting fire to stator un pluged stator from rectifier and wires cooled down but show curent from rectifier were it plugs to stator took fly wheel off stator looks black in a few places but no wire showing any help would be a blessing thanks:confused:
  2. M

    02 yamaha 250hp ox66 ground wire hot

    Battery went dead today on lake went to hook up new battery notice the ground wire arked. then started smelling something like wires burning didnt see any smoke but noticed the staor wire was hot and the batterys ground wire was hot so unpluged stator and ground wire cooled down ! so when staor...
  3. M

    02 yamaha 250hp ox66 dies at full throttle

    runs good at 50mph but when trying to open up to in the 70s like you turned the switch off i have alreadt put these parts on High pressure pump 3 low pressure pumps filter in vsp tank filter on the side of the engine filter on the boat primer pump fuel pump resistor when i replaced the high...
  4. M

    2002 yamaha 250hp vx250tlra ox66 shuts down at wot

    when you blast off and get up to around 50 to 74mph its like you turnd the key off just shuts down sometimes it will chug 2 times and the fuel pressure drops to 0 any help please thanks here is a list of parts i have put on 3 low pressure fuel pumps 1 fuel filter thats on the boat 1 fuel...
  5. M

    1998 mercury 9ohp carb engine want run full throttle

    :(when you take off full throttle boat takes out good until it hits a certin rpm like 4300 thenits like a dead spot will drop rpm let off throttle a little and will pick up a little not much will run all day half throttle but bogs down if you go over and still run half throttle doesent try to...
  6. M

    2002 yamaha 250hp ox66 shuts down at wot

    motor dies like you turned key switch off? i have checked high pressure fuel pump when it would die the fuel pressure droped to 0# but still had fire to the pump so i bought a new high pres pump worked good first time took it out 2nd time same thing always starts back up after it dies will run...
  7. M

    2002 yamaha 250hp ox66 shuts down at full throttle

    it chugs 2 times then its like you turned the switch off.i have checked the vst and it and the fillter was clean,i took the 02 sensor off and didnt see any carbon build up i cleand it and put it back on.smokes alot when at ideal and i think it just fuald a plug it so orderd new plugs
  8. M

    2002 yamaha 250hp ox66 shuts down at full throttle

    when running at full throttle for a while it will shut down like you turned the switch off after you stop starts back up and runs good untill full throttle for while will run like a champ all day around 55mph but around 60 to 73mph for any period of time like you turned the switch off.smokes...
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