Last year for the CR250R 2007 Engine Type 249cc liquid-cooled single-cylinder two-stroke with electronically controlled RC valve. Bore and Stroke 66.4mm x 72.0mm. Compression Ratio 8.5:1. Induction Six-petal crankcase reed-valve. Carburetion 38.0mm Mikuni TMX flat-slide with throttle position sensor (TPS). Ignition CD with three-dimensional mapping and electronic advance. Transmission Close-ratio five-speed. Final Drive #520 chain; 13T/48T. Front Suspension 47.0mm inverted Showa cartridge fork with 16-position rebound and 16-position compression-damping adjustability; 12.4-inch travel. Rear Suspension Pro-Link Showa single shock with spring-preload, 17-position rebound-damping adjustability, and compression-damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns); 12.6-inch travel. Front Brake Single 240.0mm disc with twin-piston caliper. Rear Brake Single 240.0mm disc. Front Tire 80/100-21. Rear Tire 110/90-19. Rake 26.5 degrees. Trail 109.8mm (4.32 inches). Wheelbase 58.3 inches. Seat Height 37.1 inches. Ground Clearance 13.3 inches. Dry Weight 213 pounds. Fuel Capacity 2.0 gallons.