The 2004 CRF450R has more changes than you might expect. Here are the key new features and some top-secret photos for you to check out:
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NEW FOR 2004

1). New lighter piston is reshaped for increased compression, quicker response and improved torque over entire RPM range.
2). New Ignition cover made from new magnesium material reduces heat build up and reduces weight
3). New lighter ignition mass for improved response and drivability
4). New ignition timing for improved drivability
5). Improved carburetor settings for sharper throttle response
6). New gearing to optimize power
7). New exhaust system layout allows muffler to be lighter weight and moved forward 50mm for optimum centralization of mass
8). New muffler packaging to increase durability
9). New aluminum Renthal Bars as standard equipment (971 Bend)
10). New quick adjust clutch perch
11). New clutch lever to improve feel and action
12). The inner surface of front fork tubes use same honing process as works bikes for less friction. First time on a mass production motocrosser
13). Improved suspension damping characteristics for plusher, smoother suspension action
14). New footpegs hinges prevent dirt accumulation for consistent footpeg angle
15). New “non-slip” seat cover for increased rider control
16). New front fender and front number plate for slimmer more aggressive look and lighter weight
17). New Dunlop 742 front and 756 rear tires for improved traction and cornering
18). New fork guards, engine guards and front hose clamps redesigned to reduce weight
19). Overall reduced weight by 3.0 pounds

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