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Thread: motorcycle, wood screws???

  1. #1
    Join Date
    Jul 2003
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    137

    motorcycle, wood screws???

    Ok, I'm just putting this here because I've seen no new post in the bike section lately. Anyway the 1987 cr 250 decided to stop starting the other day so I wheeled her in the shed and started stripping off all the plastic (first time I'v had it apart.) and quickly I'm realizing that this is not the original hardware to this bike. One screw on the side of the breather box was a self tapping wood screw :oops: ...So i get it apart where I can get to the carb a little easier, take off the carb, start cleaning it. Although it is already spottless, so i know it's doing what it's supposed to. Put it back on still won't start. So I figure I'll try some other simple things before I try to get fix somthing. Check the plug, good...Still wont start. Tighten some very loose bolts on the manifold (problem solved). Poor in the newly found oil, start's right up. :-D ..But oil shoots out of the top of the crank case everywhere, never had this happen before?? I geuss it's just a breather hole or pressure release hole for the crank case??? But it seems to be spewing alot of the oil I just put in. oh well...thats my day. I'll look more tommorow.

  2. #2
    Join Date
    Dec 2002
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    172
    sounds like your clutch side crank seal is shot.

  3. #3
    Join Date
    Jul 2003
    --
    137
    Well I thought somthing along that was the problem also..but it's coming out of a hole in the top of the case..about, right under the carb...it's a hole that is supposed to be there for some reason..i cant figure it out..I know a 4 stroke needs venting but this is a 2 stroke...but, im no super mechanic either..obviously.

  4. #4
    Join Date
    Dec 2002
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    172
    that hole is the vent for the transmission. the moving gears and clutch parts make pressure and it needs someplace to go. my buddies was doing the same thing and it was the clutch side crank seal.

  5. #5
    Join Date
    Jul 2003
    --
    137
    wow thanks...so it's probably not a good idea to run the bike till i get that fixed huh. Sorry I'm just learning about small engine's. But i appreciate the help. thanks alot

  6. #6
    86350X is offline At The Back Of The Pack Arm chair racerFirst time rider
    Join Date
    Jan 2003
    --
    232
    I know this is a stupid sugjestion, but make sure you did not over fill the oil,,,,, if its got to much oil in it it will spurt out, Good luck
    2003 honda shadow 1100 spirit
    94 XR600R
    70 qa 50 with a 90cc motor in it
    87 XR80R
    82 XR500R
    1972 Honda z50A mini trail,,, Finally got a stock mini
    1981 CR450R
    2004 chevy silverado ls ext. cab 4x4 5.3L

  7. #7
    Join Date
    Jul 2003
    --
    137
    actually dude, your the right one. I over filled it, by alot. all my seals are good and crap. so your the winner..ding ding ding :-D

  8. #8
    86350X is offline At The Back Of The Pack Arm chair racerFirst time rider
    Join Date
    Jan 2003
    --
    232
    Awesome,,,, I'm hapy to hear it was an easy fix for ya,,,,,,lol
    2003 honda shadow 1100 spirit
    94 XR600R
    70 qa 50 with a 90cc motor in it
    87 XR80R
    82 XR500R
    1972 Honda z50A mini trail,,, Finally got a stock mini
    1981 CR450R
    2004 chevy silverado ls ext. cab 4x4 5.3L

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