Mototrax made 5 or so of these kits. Only issue was having the front sprocket machined to fit the bike and the 520 chain that they use on the kit. The front mounting for the ski had to be reworked a little. Had to re drill the location for the d bar to give more bike like handling. As delivered, it looked like a chopper with the front end stretched out.
My son is the average size 11 year old..... With the moto tax I was able to adjust the rear link down to give him room to touch on the packed trail.
Get the JD jet kit, the bike was horribly lean in the winter. Once this was resolved, the bike ran flawlessly. I pulled out the airbox assembly, and used a k and n slip on filter at the carb and had no icing issues. I think this year I will fab up an engine blanket for the motor, and keep some heat in there for added security.
The 150 motor pulled the 120 track just fine with an 80lb kid on the bike. Overall, very satisfied!!
