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  1. #1
    canuck's Avatar
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    98 GTX Limited, Need a little help from the 951 Experts.

    The last few rides I have noticed the throttle response around 4500rpm to 5000rpm, right before the RAVE valves open, has been really flat and boggy feeling. Throttle response off idle up to 4500 is normal and above 5K it runs like it always has right up to 6900 to 7000rpm max. It's like the RAVE operation is more like a switch vs the smoother transition it had previously.

    I have recently had the carbs off and they were clean, RAVE valves have been cleaned and the bellows etc are all in good shape. I'm looking for ideas on other things to check like the water box regulator, exhaust hoses, leaking water chamber on the pipe ??


  2. #2
    have you checked the check valve on the engine its a one way valve besides the carbs low down next to the pulse line going to carbs

  3. #3
    canuck's Avatar
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    The check valve is a new oem one and the small hose from the case to the valve was also replaced.

    I'm going to check every water line and hose under the seat for blockage.

  4. #4
    canuck's Avatar
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    The check valve is a new oem one and the small hose from the case to the valve was also replaced.

    I'm going to check every water line and hose under the seat for blockage.

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