transmission oil crossing over into crankcase oil
  • dragonfox71
    Posts: 1
    Joined: Sat Apr 05, 2014 2:55 pm

    transmission oil crossing over into crankcase oil

    by dragonfox71 » Sat Apr 05, 2014 4:18 pm

    2008 crf150rb seems as if trans oil is somehow crossing over into the crankcase. Levels are changing and can't figure out why. Anyone have an answer to this or a suggestion? [/img]
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    crfsonly
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    Posts: 9651
    Joined: Thu Apr 01, 2004 3:45 pm

    by crfsonly » Tue Apr 08, 2014 6:28 pm

    Welcome to CRF's Only. This is something we've heard with the 250/450's but not with the 150. on the others the culprit is balancer shaft and/or crankshaft seal.
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