my fantic 300 dies when i open the throttle more than half way . it runs fine when cold and the choke on . any suggestions ?

my fantic 300 dies when i open the throttle more than half way . it runs fine when cold and the choke on . any suggestions ?

Hi, it sounds to me like the main jet is blocked, you need to remove the float bowl and check for dirt or water, remove the main jet and blow through it to clear an obstuction. You should be able to see through the centre of the jet.

Good luck Alan.

Or it may have a vacum leak !!!!

Glenn