Busted power valves or blown motor? (See vid)
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  1. #1
    PWCToday Guru SDHX's Avatar
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    Busted power valves or blown motor? (See vid)

    Hey all,
    been doing some research on this and I have limited (no) experience on these PV motors. Itís a 2001 XL800. Got it basically to part out due to a seized midshaft, but for the hell of it, I decided to slide the engine forward to see if the motor was locked or not. Motor wasnít locked, and I got it running fairly quick. Sounded ok when I had the Waterbox end of the Exhaust separated. Once I cut the locked midshaft out, I decided to slide the engine back in place and hooked the Waterbox back up so I could run it on the hose for a bit.. well, thatís when I noticed the knocking noise.

    the motor turns over smooth with no binding and itís quiet besides the air squishing when I turn it from the coupler.

    since the driveshaft/midshaft arenít connected, itís not a bad pump or a pump that injested something..

    its noisy at idle, but as I give it throttle, it quiets down. Let off the gas and noise comes back loud at idle again.

    am I dealing with a broken power valve or a compromised motor?

    thanks

  2. #2
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    Re: Busted power valves or blown motor? (See vid)

    Having a hard time uploading video. One second

  3. #3
    PWCToday Guru SDHX's Avatar
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    Re: Busted power valves or blown motor? (See vid)


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