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Thread: ZXR250 oil leak

  1. #1
    Join Date
    17th July 2010 - 12:17
    Bike
    ZXR250A
    Location
    New Zealand
    Posts
    10

    ZXR250 oil leak

    Hey All! Hopefully someone out there can help me!

    So I have found a(nother) oil leak on my ZXR250A

    At first I was hoping it was either coming from my newly replaced oil filter or oil sump I just replaced but it appears to be something more sinister (see attached photos).


    http://iforce.co.nz/i/otdk4lgx.3rd.jpg

    Here you can see the oil on the water pipe


    http://iforce.co.nz/i/m0fu13s1.bjq.jpg

    I believe this is the culprit - Appears to be coming from this bolt here, but I am uncertain, could it just be a gasket problem?


    http://iforce.co.nz/i/vwctr412.vbs.jpg

    Another view of it all


    Someone who hasn't seen it mentioned to me it could be the big end bearing? The bike runs perfectly fine at the moment (bar a cooling issue, but thats completely separate and I've just rebuilt the radiator so that should be solved now)

    Do any of you know what could be causing this? And is this something someone whose no mechanic but good with their hands could fix? If not is it worth me taking the bike into a mechanics and getting it fixed or just selling it?

    To be honest, I have spent more time with this bike in bits than riding it and I'm leaning towards buying something else for reliability, but at the same time i've poured my heart and soul into it I just don't want to see her go!

    Thanks for your time!

    Gah sorry, for some reason the images aren't loading even though they (I think) have the correct html tag

  2. #2
    Join Date
    24th September 2008 - 01:32
    Bike
    a shiny new(ish) one
    Location
    Dunedin
    Posts
    3,650
    For a start, give your engine a waterblast, get it all nice and clean, then run it for a few minutes, the source of your leak should be abundantly ckear then.

    If it is that bolt, have you cheacked that it is tight? and checked that it hasnt been overtightened and cracked the casing, resulting in a slow leak?

    How much oil is it going through, i.e. how long is it taking to get through say 10ml of oil?

    If the bolt is tight, and theres no casing damage, and the oil leak is incredibly slow, then it might not be worth worrying about.

    It could just be a gasket issue.

  3. #3
    Join Date
    17th July 2010 - 12:17
    Bike
    ZXR250A
    Location
    New Zealand
    Posts
    10
    Hey thanks for the advice, probably not a bad idea, does need a bit of a clean. You're possibly right about the cracked casing, the last owner had cracked the sump pan's casing so i'll give that ago. I hope thats not the case though.

    Cheers

  4. #4
    Join Date
    24th September 2008 - 01:32
    Bike
    a shiny new(ish) one
    Location
    Dunedin
    Posts
    3,650
    better a cracked casing than a big end!!

  5. #5
    Join Date
    26th April 2008 - 00:01
    Bike
    KTM 950SM, '78 X7, FZ750, GN250
    Location
    Wellington
    Posts
    706
    RTV silicon should help with little leaks..

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