Honda XR650R

The 2007 Honda XR650R was powered by a dry-sump 649cc liquid-cooled engine that weighed 88 lbs. The XR650R had a single overhead camshaft (SOHC) valve train design with a bore and stroke of 3.94 inches by 3.25 inches. Any engine with a bore measurement greater than its stroke measurement is described as an "oversquare" engine.
Suspension

The front of the 2007 XR650R was fitted with a 1.81-inch Kayaba cartridge fork that offered 11.2 inches of travel, while the rear sported a Kayaba single shock that gave 12.1 inches of travel. Both the front and back Kayaba components had adjustable compression and rebound damping.
Brakes

The 2007 XR650R had front and rear 9.45-inch stainless steel rotors. The front brake operated through the stopping action of a twin-piston caliper. In the rear, a single-piston caliper squeezed the brake rotor to bring the bike to a stop.