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  1. #1
    Yamaha XLT1200 GP1200R jet-nut's Avatar
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    Yamaha GPR oil pump priming

    I know almost everyone will advise me to remove the pump and go premix. But I really like the convenience of the oil injection system. However I do have a question, I just replaced all of the oil lines and need to know the best way to prime the lines all the way to the carbs. The bleeder valve doesn’t seem to get the oil to where it needs to be. The new lines are clear tubing so I can see the oil. Is there an easy way to test run the pump?

    The service manual doesn’t say much about any specific procedure to accomplish this.

    -----------------------------------------------------------

    Sorry a simple search of the forum found all the answers that I would ever need.


  2. #2
    All hail the Chief! fullboogie's Avatar
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    Frankly I wouldn't worry about it. Just don't hit it WOT when you first crank it up. It will prime quickly.

  3. #3
    Yamaha XLT1200 GP1200R jet-nut's Avatar
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    Thanks Boogie, just don't want to take a chance with a freshly rebuilt engine.

  4. #4
    All hail the Chief! fullboogie's Avatar
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    Well, you should be adding oil to the first tank of gas anyway. So the short period when the pump is getting oil through the lines should not be a problem.

  5. #5
    zx11rider's Avatar
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    wont it prime when you are checking compression on the engine you should have plenty of oil in the motor from the rebuild once you check all three cylinders for compression the oil should be to the carbs.

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