It also helps to drain as much fuel as possible from the tank before laying up. Then run the motor until it stalls from fuel starvation.

Avgas from a local small airfield has no ethanol and in a sealed container will last a long time.About 40p per litre more than pump fuel.

Chris

2015 Plus 4 Silverlake Blue
(2014 3.7 Roadster Crystal Blue)
(2012 4/4 Sport Black)