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head gasket
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  1. F650 Single Discussion
    Hi guys anti freeze pissing out of the overflow when bike heats up, is this a head gasket problem or what else could it be? Also should the fan near the rad be on all the time when bike is started and on center stand.
  2. F650 Single Discussion
    ...but i am hoping not the feared conclusion. I took the bike out yesterday, from a cold garage to an even colder run about 75miles in all. It's not been used for a few weeks, and the last time was just as cold. On my return yesterday I noticed mayonnaise (just a little) on the oil filler...
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