I have a Supertigre .34 in my Kyosho Concept 30 SR-X. i have been haveing a problem with it lately i cant seem to fighure out. It starts and runs fine, but when I set the heli down after a a few minutes of flight or hovering when i advance the throttle it quits. I am using a OS #9 plug and Wildcat 15% Heli fuel its new fuel and it was doing the same before i bought new fuel and changed plugs. The engine runs fine with lots of power and normal smoke trails, it idles fine. it only does this after running for a while.
I kinda scared to try any manuevers requiring lots of throttle inputs as I'm afraid it may quit on me.... ie autos.
I messed around with the needle setting on hi and low ends (small adjustments) but cant seem to solve the problem.


Any suggestions. and i dont need usualy trash the engine and go to another brand stuff. this engine has been loked after since i bought it. It has just started doing this. I was thinking it may be letting to much fuel in on throttle advancd and cooling the plug.

Pete