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Thread: Oil in airbox (YTM225DRN)

  1. 06-04-2010, 10:58 PM #1
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    Mackee
    Mackee is offline First Time Rider Arm chair racerNew to the board
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    Oil in airbox (YTM225DRN)

    So, she has been running like a scalded dog and then started to backire and then would die. Crank back up and ran fine for a while and then die again. Anyway, decided to check the air filter and found oil in the bottom of the airbox. Not much but enough to cover the bottom of the airbox. Checked all the inlets to the air box and nothing obstructing the flow of air. Found a slight bit of oil in the air chamber which means it was coming from the crank case. Checked oil level and it was right on track. Anyone care to take a stab at what is causing this issue. Do I have engine troubles? I'm learning so I appreciate the advice.

    Man, I just need to sell this thing and be done with it...But it sure is fun!
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  2. 06-05-2010, 10:41 PM #2
    Texas 200x
    Texas 200x is offline At The Back Of The Pack Arm chair racerAt the back of the pack
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    What kind of riding have you been doing? Wheelies and such?
    Hey, What other dangerously fun vehicles can I Cram in my 2and1/2-car shop? (Garage.)
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  3. 06-05-2010, 11:36 PM #3
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    Mackee
    Mackee is offline First Time Rider Arm chair racerNew to the board
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    No wheelies, just riding my 3 yr old around the subdivision...So, you see how babied my 225 is at my house. LOL
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  4. 06-06-2010, 11:05 PM #4
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    Mackee
    Mackee is offline First Time Rider Arm chair racerNew to the board
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    I really need some input here as I am about to take an 8 day riding trip to TN this coming week. I do appreciate the info.
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  5. 06-06-2010, 11:11 PM #5
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    Dirtcrasher
    Dirtcrasher is offline Power User Catch me if you can
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    There seems to be positive crankcase pressure.

    If you take out the dipstick does it have pressure there??

    Is the head vented and is that line clean? Is there ring blowby? (pressure in the crankcase).............

    Have a good trip, just bring extra oil
    All our government does is distract us while they steal from us, misspend our tax $ and ruin our country
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