2006 Yamaha R1 Engine Specs

• Introduced in 1998, the Yamaha YZF-R1 is a high-performance street motorcycle in Yamaha's Super Sport line. The YZF R-1 quickly became one of the most popular sport bikes in the industry, despite a world-wide recall for clutch problems in 1998. Though the YZF-R1 went through a series of minor cosmetic changes between 1998 and 2006, there were very few changes to the engine, chassis or other major components.
  
  

Physical Dimensions

• The 2006 Yamaha YZF-R1 was 82.1 inches long, 28.3 inches wide and 43.5 inches high with a seat height of 32.9 inches and a wheelbase of 55.7 inches. It had a rake/caster angle of 24 degrees and trail of 3.8 inches.
  
  

Engine

• The 2006 Yamaha YZF-R1 came with a 998cc, liquid-cooled, 20-valve, DOHC in-line four-cylinder engine with a bore and stroke of 77mm by 53.6mm and a compression ratio of 12.4:1. It had a fuel-injected carburetor with dual-valve bodies with motor-driven secondary valves. It used a DC-CDI ignition. The engine was paired with a six-speed transmission with a multiplate and clutch and a #530 O-ring chain-driven driveshaft.
  
  

Brakes and Chassis

• The 2006 Yamaha YZF-R1 had dual 320mm disc brakes and radial-mount-forged four-piston calipers on the front and 220mm single-disc brakes with a single-piston, pin-slide caliper on the rear.
  
  The front came with 43mm inverted telescopic fork suspension with adjustable preload, separate high- and low-speed compression damping, rebound damping and 4.7 inches of wheel travel. The rear had single-shock suspension with adjustable preload, separate high- and low-speed compression damping, rebound damping and 5.1 inches of wheel travel.