Some items from this specific schematic: Spacer,rr Swgarm Pivot, Washer(14.5x29x2.3), Belt Case,lwr, Spacer,rr Swgarm Pivot Ctr.
With a quantity of four pieces, the Washer(10.5x28x2.3) is the most used part in the REAR SWINGING ARM diagram.
The most reasonably priced component used on the Ls650 Boulevard S40 2007 (k7) Usa Californi Canada (e03 E33 E28) Rear Swinging Arm is the Bolt.