06 - 09 fuel injected models w/EBS. 0- 4000' elevation. Also for All 2012,2013 500 with EBS engine brake (Oversized tires only)

A cost-effective kit designed to help restore some of the acceleration lost from installing bigger tires.

Some notes on this model:

500 models with engine brake clutches. Testing showed that when using stock tires, the clutch calibration from the factory was satisfactory and no adjustment was necessary. Oversized tires, as usual, did show a significant loss of performance, speed, and acceleration. This kit will help bring your bike back to life after installing those bigger, heavier tires, and also improve belt grip, acceleration, and throttle response. Top speed on this model is slower with big tires than with stock tires, and it will remain the same (within 1 mph) with this kit installed.