Programmed Fuel Injection (PGM-FI), 50mm throttle body
Cooling:
Liquid
Compression Ratio:
12.0:1
Wheelbase:
58.700 in.
Dry Weight:
lbs.
Wet Weight:
234.800 lbs.
Ground Clearance:
13.100 in.
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The world of motocross will never be the same. Introducing the all-new CRF450R. CRF450R The Honda CRF®450R has always been out in front. But now it’s WAY out in front. We took the best MX bike in the class for six years running and made it better in every way. Easier to ride. Better handling. More powerful. And even more of a winner. With features like our exclusive Honda Progressive Steering DamperTM (HPSDTM) and
our revolutionary all-new fuel-injection system, the 2009 CRF450R is pure Honda, and undoubtedly the best open-class motocross bike ever.
UNIQUE FEATURES
All-new liquid-cooled four-valve Unicam® engine, is smaller, lighter, and features a higher redline.
Engine is completely redesigned to lower the overall height and position it closer to front wheel,
resulting in a lower overall center of gravity and better weight distribution for better handling.
All-new Programmed Fuel Injection system utilizes a 50mm throttle body with 12-hole injection
nozzle to ensure optimum fuel atomization and precisely targeted fuel charge.
Honda Progressive Steering Damper (HPSD) allows more aggressive steering characteristics
and better straight-line handling.
All-new fully adjustable KYB® suspension front and rear.
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Ignition:Full transistor with three-gear-position electronic advance Bore and Stroke:96 x 62.1mm Valve Train:Unicam, four-valve; 36mmintake, titanium; 30mmexhaust, steel Final Drive:#520 chain; 13T/48T Suspension Front:48mminverted KYB Air-Oil-Separate (AOS) with 16-position rebound and 18-position compression damping adjustability; 12.2 inches travel Suspension Rear:Pro-Link KYB single shock with spring preload, 20-position rebound damping adjustability, and compression damping adjustment separated into low-speed (18 positions) and high-speed (1.5 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:120/80-19
