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oil problem
  • mitchell250R
    Posts:23
    Joined:Wed Jul 19, 2006 9:49 am
    oil problem

    by mitchell250R » Mon Jan 01, 2007 9:11 pm

    i have a crf 250r 04 model and it burns a significant amount of oil. i will check the oil before and after every ride and before i ride i have it at about halfway inbetween the dipstick lines and after im done there wont be any oil on the dipstick at all. when i measure the oil the bike is perfectly level and i also have a pro circuit t-4 slip on. there is also black exhaust on my rear fender from oil burning. can anyone help me with this problem or does anyone have the same problem?
    thanks,
    mitchell
  • Asmith
    Posts:14381
    Joined:Mon Apr 10, 2006 7:52 am

    by Asmith » Mon Jan 01, 2007 9:15 pm

    Sounds like bad rings.

    What does your spark plug look like?
  • mitchell250R
    Posts:23
    Joined:Wed Jul 19, 2006 9:49 am

    by mitchell250R » Mon Jan 01, 2007 9:30 pm

    its brown and it usually has oil around the thread area
  • Asmith
    Posts:14381
    Joined:Mon Apr 10, 2006 7:52 am

    by Asmith » Mon Jan 01, 2007 9:32 pm

    Any carbon build up on it?

    Does it smoke?
  • mitchell250R
    Posts:23
    Joined:Wed Jul 19, 2006 9:49 am

    by mitchell250R » Mon Jan 01, 2007 9:39 pm

    what is carbon build up? it does smoke when i fire it up and my dad says that he cant tell if it is smoking when im riding
  • Asmith
    Posts:14381
    Joined:Mon Apr 10, 2006 7:52 am

    by Asmith » Mon Jan 01, 2007 10:00 pm

    mitchell250R wrote:what is carbon build up? it does smoke when i fire it up and my dad says that he cant tell if it is smoking when im riding


    Soot. Powdery black or brown deposits.
  • mitchell250R
    Posts:23
    Joined:Wed Jul 19, 2006 9:49 am

    by mitchell250R » Tue Jan 02, 2007 3:29 pm

    just a little
  • masscrf250r
    Posts:10
    Joined:Wed Nov 08, 2006 7:37 pm

    by masscrf250r » Tue Jan 02, 2007 7:42 pm

    probably a little blow by
    2005 crf250r
    -powernow
  • User avatar
    124
    Posts:3704
    Joined:Wed Feb 16, 2005 1:37 pm

    by 124 » Wed Jan 03, 2007 5:39 am

    Burning through the measurable portion of the dipstick is not "a little blowby". Do a compression test and it will tell the tale...
    70' Honda CT70 (Trail 70; Gold)
    16' KX450
    16' KX85
    12' YZ125
  • mitchell250R
    Posts:23
    Joined:Wed Jul 19, 2006 9:49 am

    by mitchell250R » Wed Jan 03, 2007 9:32 pm

    i have a compression guage but i think that it was for my dads jet ski so it doesnt fit
  • User avatar
    124
    Posts:3704
    Joined:Wed Feb 16, 2005 1:37 pm

    by 124 » Thu Jan 04, 2007 5:30 am

    Most compression testers have different thread adapters. Go buy the adapter you need and it should work...
    70' Honda CT70 (Trail 70; Gold)
    16' KX450
    16' KX85
    12' YZ125
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