(nov 11, 2007) 2006 600 Summit 144
Just a folow up on the SX6 kit that I bought off you last year. Put in last spring but didn't get to try it out. Did couple of trips last spring, maybe 8 days total but all on meadows with 4 inches of snow. We were scouring meadows looking for moose antlers. Went out yesterday in the mountains. Snow is about 4 feet deep with a bit of a base but it is easy to dig down to dirt. I wasn't getting my RPM's so took out a little ...... read more

(Apr 11, 2008) 2008 XP Summit 163 stock gearing hps can @ 12000'
Hello Joe: I just wanted to drop you a line and thank you very much for an awesome helix. The sled performed incredibly. Top speed went from 83 to 90 plus miles per hour. back shift was flawless in the deep snow and when climbing it's like a completely different sled. Track speed when climbing was running about 47 miles per hour. Thanks again Allen H....... read more

(Feb 2, 2008) 2006 Renegade Adrenaline 1.25"
Hi Joe, well holy i can stand the sled right up now and you really have to be on the handlebars to keep her down. Guys around here figure I got ported but just told em a bit of clutching and gearing and good to go. Now the sled's what it should be like. Thanks Lee F...... read more

(Apr 11, 2008) 2008 XP TRAIL 120"

Hi Joey I’ve receive the kit and had time to try it ,at the beginning of the day I was amaze how the shifting was so constant really at the good point, good rpm, the power was there. It was so hot outside, I will tell you beginning of the day it was 4 deg Celsius but at the end 12 deg or almost 50 Fahrenheit so testing was in big salt. So my impression were good but i felt that with cold ...... read more

(Feb 3, 2008) 2007/440 w/2003/800RKT
My setup, stock pipe and can, boyesen rad valve, stock pilot jet .030 shims under needles 380 mains and a tempa flow, I'm not sure if i'm sold on the tempa flow yet, gearing is 25-45, stock 1 3/4 track 96 studs stock drivers and rk tek remap in the box. I'm thinking go with a 1 1/4 -1 1/5 track and gear up to more like 26 43 and gets some 10 tooth drivers. I can say one thing THE SLED FLAT OUT RIPS I can cat walk ...... read more

(April 11, 2008) 800 XP 120
Was able to latch on to one of your XP 800 clutch kits the end of last season end of March to be exact. Appreciate all the time helping set up the kit correctly for the conditions we ride in. The install instructions were to the letter.Easy to Doo.
Ride Mostly in the Upper Peninsula area of MI that time of year. Trails still groomed well and no better brush riding than there. In the AM temps were in the low to mid ...... read more