Polaris speed shops are reporting the big 900 twins benefit greatly from the addition of a torque arm and push arm (torque stops) to help keep the clutching system on these big twins in better alignment. One of the problems with big engines like this is the tendency to â€œtwistâ€ under power. When this happens, the drive belt (clutches) come out of alignment and power transfer is affected.
Starting Line Products (208-529-0244) goes as far as suggesting that every RMK 900, stock or modified, can realize significant benefits in both performance and drive belt durability with a set of torque stops. The set of two will run you around $130, and most every Polaris speed shop that is doing performance work on the 900s will be able to steer you in the right direction. All the power in the world is worthless if you canâ€™t transfer it through the CVT drive belt system and get it down through the track and to the ground. www.startinglineproducts.com