I'm a solo operation that consists of a Hydro Walk Behind with a 14 H.P. Kawasaki on it. An Echo Trimmer, Echo Blower, and Toro 21" Self Propelled. I am putting this equipment in storage. It will be stored and unused for the next 2 years. The longest I've ever stored any of this without it being used is the winter each year, and I just winterize for that. Any tips on preparing this equipment for storage for such a long period of time? Thx.