Turbo Yamadoo RX1 engine in a Skidoo chassis first run outVForce 3 Reed Pair w/ Intake Boots Ski Doo ZX Chassis (Carb) 600HO 700 800 01-07. The item vforce 3 reed pair with intake boots ski doo zx chassis (carb) 600ho 700 800 01-07 is in sale since Tuesday, August 4, 2020. Comments are closed.