Ski Doo New OEM, REV XM XS XP XR XU Tundra Black Ergonomic 1+1 Seat New Pilot TS Adjustable Ski Ski Doo Snowmobiles Forum Ski Doo Pilot TS Adjustable Skis Right (REV Gen4, XP, XR, XU, XS, XM, REV) 505074068 2016 Snowmobile Release Ski Doo MaxSled.com Snowmobile Magazine Ski Doo Pilot 5.7 Skis Trail Sport Performance for REV Gen4 (Left) 505. The industy's first and only adjustable ski. The Pilot TS skis allow riders to change ski bite for changing snow conditions or riding styles easily and quickly. With the Pilot TS skis you dial in the perfect setting by turning a knob on the ski leg. The ski runner has 1 2" (12. 5 mm) of travel up and down. The thin runner and square keel design work together to eliminate darting.