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Everything Dirt Bike
Make / Model Specific
Honda
Cr250r Model Changes:1998-2006
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<blockquote data-quote="onefasthonda" data-source="post: 20596" data-attributes="member: 378"><p>2004</p><p></p><p>NEW FOR 2004:</p><p>Aluminum Renthal 971 bend handlebar. </p><p>"Non-slip" seat cover for increased rider control. </p><p>Newly designed footpeg hinges prevent dirt accumulation for consistent footpeg angle. </p><p>Front fork tubes use same honing process as works bikes for less friction. First time on a mass production motocrosser. </p><p>Improved suspension damping characteristics. </p><p>Quick-adjust clutch perch. </p><p>Newly designed clutch lever. </p><p>New engine cases to improve mixture flow. </p><p>Redesigned free-flowing reed valves for increased bottom-end power. </p><p>TMX 38 carburetor gets new throttle position sensor (TPS). </p><p>Air cleaner connecting tube volume up 6.5 percent. </p><p>Shape and position of exhaust port changed. </p><p>Dunlop D742 front and D756 rear tires. </p><p>Newly designed front fender and front number plate. </p><p>New fork guards, engine guards and front hose clamps redesigned to reduce weight. </p><p>Air intake system offers straighter alignment to produce more direct airflow. </p><p></p><p>ENGINE:</p><p>Carburetor now has throttle-position sensor (TPS) to calibrate timing with exhaust valve for improved power delivery. </p><p>New cylinder porting. </p><p>New Exhaust header and expansion chamber. </p><p></p><p>SPECIFICATIONS:</p><p>Model: CR250R</p><p>Engine Type: 249cc liquid-cooled single-cylinder two-stroke with electronically controlled RC valve</p><p>Bore and Stroke: 66.4mm x 72mm</p><p>Compression Ratio: 8.5:1</p><p>Induction: Eight-petal crankcase reed-valve</p><p>Carburetion: 38mm Mikuni TMX flat-slide with throttle position sensor (TPS)</p><p>Ignition: CDI with three-dimensional mapping and electronic advance</p><p>Transmission: Close-ratio five-speed</p><p>Final Drive: #520 chain; 13T/48T</p><p>Suspension Front: 47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability; 12.4 inches travel</p><p>Suspension Rear: 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 inches travel</p><p>Brakes Front: Single 240mm disc with twin-piston caliper</p><p>Brakes Rear: Single 240mm disc</p><p>Tires Front: 80/100-21</p><p>Tires Rear: 110/90-19</p><p>Wheelbase: 58.3 inches</p><p>Rake (Caster Angle): 26.49°</p><p>Trail: 107.3mm (4.22 inches)</p><p>Seat Height: 37.1 inches</p><p>Ground Clearance: 13.3 inches</p><p>Dry Weight: 213 pounds</p><p>Fuel Capacity: 2.0 gallons</p></blockquote><p></p>
[QUOTE="onefasthonda, post: 20596, member: 378"] 2004 NEW FOR 2004: Aluminum Renthal 971 bend handlebar. "Non-slip" seat cover for increased rider control. Newly designed footpeg hinges prevent dirt accumulation for consistent footpeg angle. Front fork tubes use same honing process as works bikes for less friction. First time on a mass production motocrosser. Improved suspension damping characteristics. Quick-adjust clutch perch. Newly designed clutch lever. New engine cases to improve mixture flow. Redesigned free-flowing reed valves for increased bottom-end power. TMX 38 carburetor gets new throttle position sensor (TPS). Air cleaner connecting tube volume up 6.5 percent. Shape and position of exhaust port changed. Dunlop D742 front and D756 rear tires. Newly designed front fender and front number plate. New fork guards, engine guards and front hose clamps redesigned to reduce weight. Air intake system offers straighter alignment to produce more direct airflow. ENGINE: Carburetor now has throttle-position sensor (TPS) to calibrate timing with exhaust valve for improved power delivery. New cylinder porting. New Exhaust header and expansion chamber. SPECIFICATIONS: Model: CR250R Engine Type: 249cc liquid-cooled single-cylinder two-stroke with electronically controlled RC valve Bore and Stroke: 66.4mm x 72mm Compression Ratio: 8.5:1 Induction: Eight-petal crankcase reed-valve Carburetion: 38mm Mikuni TMX flat-slide with throttle position sensor (TPS) Ignition: CDI with three-dimensional mapping and electronic advance Transmission: Close-ratio five-speed Final Drive: #520 chain; 13T/48T Suspension Front: 47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability; 12.4 inches travel Suspension Rear: 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 inches travel Brakes Front: Single 240mm disc with twin-piston caliper Brakes Rear: Single 240mm disc Tires Front: 80/100-21 Tires Rear: 110/90-19 Wheelbase: 58.3 inches Rake (Caster Angle): 26.49° Trail: 107.3mm (4.22 inches) Seat Height: 37.1 inches Ground Clearance: 13.3 inches Dry Weight: 213 pounds Fuel Capacity: 2.0 gallons [/QUOTE]
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Everything Dirt Bike
Make / Model Specific
Honda
Cr250r Model Changes:1998-2006
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