- always drain the tank
- heli stays in my office at a temp of 77 or lower
- always use after run oil
- i cant burn excess fuel out of it because it does not want to start ...

I feel like im out of options or solutions but to return the engine... I have an os 60 that has been in the grage all summer (hot and humid) just laying there, and not a spot of rust, and still like new ...



Wojtek