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    Yamaha 90 slows down after about 15 mins.

    Water pump was replaced about 3 years ago. Pees good. Overheat horn works. 50:1 on fuel. Gear oil changed December of 2021. No blockage on exhaust.
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    Yamaha 90 slows down after about 15 mins.

    If the spark was bad on any cylinder, wouldn't the motor run rough or spit and sputter?
  3. B

    Yamaha 90 slows down after about 15 mins.

    Forgot to mention new primer bulb. Bulb stays hard and pumping it does not affect the situation.
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    Yamaha 90 slows down after about 15 mins.

    I have a 1999 Yamaha C90TLRX two stroke. I purchased this motor new attached to a 17 ft. Sea Pro. About a year ago, I experienced problems with the motor. I was running at WOT and the motor started slowing down, just like I was slowing it down with the throttle. The throttle was still wide...
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    Fuel Water Seperator

    I purchased a Sierra Fuel Water Seperator Kit 18-7937. There is a plastic bowl underneath the filter with what I think is a screw type valve to let water out. I was checking this valve out before I installed it, by blowing a small amount of compressed air through it. Screw it in and air would...
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    Trolling Motor Steering

    I have a 2003 Minn Kota AP/65 24v. The foot control wire is ~18 ft. I have a problem with the steering. I put the unit in the water. I hook everything up, power supply, foot control cable. When I try to turn the motor to the right, it works most of the time. When I turn it to the left, it starts...
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