en 125 problem - any1 help?????
My son is running an en 125 2a but is having engine cut out issues when it has warmed up if revs below 5000 and above 7000. It seems to rectify itself if he stops then restarts the bike. It has only started to happen since the weather has turned cold!!!!!!!
He has stripped down and sprayed connections with wd40 and replaced the plug cap.
Any ideas/suggestions that could help
Ta very much
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