September 28, 200817 yr Hi, I maintain my daughters Beta 125 (06), which has up to now been bomb proof, however the last time out the fan started to run continously! Changed the thermostatic switch in the bottom of the radiator, and the fan no longer ran all the time. This time out the bike overheats, fan not running at all. If I short out the terminals
September 28, 200817 yr Hi there I had this problem with my sons '07 bike about 12 months ago. Tried all the obvious stuff. Turned out to be the head gasket. Got one from Lampkins, fitted it and it's been good as gold ever since. Worth a look. Good luck. Mike.
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