TTR running rough
My TTR 600 Belgarda
After riding hard the bike starts misfiring like its running out of petrol I switch to reserve but no improvemt the misfire gets worse and engine cuts out.It will usually start ok but will still misfire and I have to keep revving and slipping the clutch.If I refill with petrol the problems seems to go away even though I still had half a tank.
I have checked petrol tap and filter and its ok and breather is clear.
My bike does have a different cam fitted and I was thinking when I ride hard it could be over revving which could be causing the electronic pick up to malfunction or the valves are not closing propley after getting very hot.When I stop to refuel the engine cools down enough to sort it self out.
The TTR cam shaft is part no 1JK-12171-00 is this the same as any of the XTs
Your thoughts please
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