Take a look of some of the various builds I have done in the past. 2-stroke and 4-stroke builds all using Timbersled kits.
Building a Snowbike (44:16): Follow along on a lot of various tips and tricks of building a four stroke snowbike. From bare bone essentials to making your snowbike more comfortable.
TBI Snowbike Build (28:42): Everything you need to know about setting up the new KTM and Husqvarna 250/300 TBI as a snowbike. Lookout for future updates as more products come available for these bikes.