For most gensets, simply changing the orifice and a few adjustments will allow the conversion.
Here are links with instructios and video:
http://www.thegoodsurvivalist.com/how-to-convert-your-generat ... read more
That is a great questions, you have several options.
First, I usually recommended allowing the deck to weather for a few months. This gets rid of some of the surface chemicals used in pressure treati ... read more