1990-1998 Arctic Cat Snowmobiles Repair Manual, Page 335Get this manual
DRIVE SYSTEM
leyThese changes in pulley diameter adjust to correspond with the prevailing load and speed conditions (Figure 2)The shift sequence is determined by combination of engine torque and engine rpmWhen track resistance, or load, increases, such as when going up hill, the pulleys change the reduction ratioEngine rpm will remain nearly the same but the vehicle's speed dropsWhen track resis-