Can anybody shed any light on a problem i'm having with a Fourtrak engine that has been out for a rebuild, now it will only run continously at about 2000 rpm - any lower than that and it slowly dies, however if you pump the hand primer it will happily tickover for as long as you keep pumping.
Once it dies its a bugger to restart, but if you turn it off whilst still pumping the manual primer then it will restart again instantly? If it had a seperate lift pump i would have thought that was the problem maybe not supplying enough fuel, all the fuel lines are clear, and when its running you can loosen each injector line in turn and theres plenty of fuel there??
Before the rebuild it was fine (starting and ticking overwise anyway) and the pump was overhaulled recently before that as well?