Description
| Model | CRF450R |
| ENGINE | |
| Type | 449.8cc liquid-cooled 10º single-cylinder four-stroke |
| Valve Train | Unicam® OHC, four-valve; 38mm intake, titanium; 31mm exhaust, steel |
| Bore x Stroke | 96.0mm x 62.1mm |
| Compression Ratio | 13.5:1 |
| Induction | Programmed fuel-injection system (PGM-FI); 44mm throttle bore |
| Ignition | Full transistorized ignition |
| Starter | Push-button electric starter |
| Transmission | Constant-mesh 5-speed; manual |
| Clutch | Multiplate wet, hydraulically actuated (6 springs, 8 plates) |
| Final Drive | #520 chain; 13T/49T |
| SUSPENSION | |
| Front | 49mm fully adjustable leading-axle inverted telescopic Showa coil-spring fork w/ 12.2 in. travel |
| Rear | Pro-Link system; fully adjustable Showa single shock w/ 12.4 in. wheel travel |
| BRAKES | |
| Front | 2-piston caliper (30mm, 27mm) hydraulic; single 260mm disc |
| Rear | 1-piston caliper hydraulic; single 240mm disc |
| TIRES | |
| Front | Dunlop Geomax MX33 80/100-21 w/ tube |
| Rear | Dunlop Geomax MX33 120/80-19 w/ tube |
| MEASUREMENTS | |
| Rake (Caster Angle) | 27.1° |
| Trail | 114mm (4.48 in.) |
| Length | 85.9 in. |
| Width | 32.6 in. |
| Height | 49.9 in. |
| Ground Clearance | 13.2 in. |
| Seat Height | 38.0 in |
| Wheelbase | 58.3 in. |
| Fuel Capacity | 1.7 gal. |
| Color | Red |
| Curb Weight* | 245 lbs. |
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