Hi,

I recently bought an FZ 63. The engine has barely a gallon of Powermaster 20/20 through it. It ran fine out of the box and has completed basic break-in. I just adjusted the cams and made another couple of test flights and everything seemed ok. I have been flying in pretty low temps 15-20 degrees F. The last couple of days I have been trying to fly, but it doesn't seem the engine wants to start at all. Tried different high end and low end settings, including the default ones in the manual. The plug checks out ok. This evening I checked the regulator diaphragm it seems fine. I am totally frustrated. Any input would be much appreciated. The engine is mounted inverted in a Seduction Freestyle. Broke in on Zinger 13x6, right now trying to get it started with 13x4.