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  1. #1

    Join Date
    Jun 2012
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    Can stock GPR OVEROIL itself?

    2001 gp1200r smoking way too much it seems. It has very good, not perfect compression. Boat bogs terribly and was wondering if the excessive smoke could be from over oiling, thus causing the bog.


  2. #2

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    Do you premix or is the oil injection still used?

    The oil pump can be adjusted or you can regulate how you premix

  3. #3

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    Stock oil injection

  4. #4
    Yamaha artisan Cutlass's Avatar
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    A terrible bog probably isn't caused by excessive oil. I ran my ski with 50:1 premix and the stock oil injection together (during break in) and it ran fine. If I continued to do that, it would eventually foul the plugs with oil.
    You bog is probably carb related, I'd think. Excessive smoke could also be carb related or maybe compression related. If you're compression is low, you could have a bunch of blowby past the piston rings. Which could then recycle back into the combustion chamber

  5. #5

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    115/115/115 is compression with a new matco gauge

  6. #6
    Yamaha artisan Cutlass's Avatar
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    Those compression readings aren't too bad really. But remember a compression test can't tell you everything on how the rings seal when the engine is running. But I'd still look into the carbs to see if you find something there.

  7. #7

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    Thx cutlass. I will do just that

  8. #8
    I had the same problem with my 2001 LS2000 and it was the crank seal that was bad and the emgine would smoke a lot. But i also had to do the carbs on it. so maybe it is both and they are not related?

  9. #9

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    Thx will check that

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