Kspeed's Lightweight Ultra 300/310 Supercharger Pulley Upgrade - The Watercraft Journal | the best resource for JetSki, WaveRunner, and SeaDoo enthusiasts and most popular Personal WaterCraft site in the world!
Life of a Jetski Mechanic: KAWASAKI Ultra 300X SUPERCHARGER BELT REPLACEMENT - YouTube
2011-2013 Kawasaki Ultra 300X and LX Review and Specs [Video] - JetDrift