In just a short time the CRF450X has grown immensely popular, and for good reason: Having won the grueling and world-renowned Baja 500 and Baja 1000 races multiple times, it has rightfully earned the title King of Baja.

Unique Features
· Electric-start system for easy starting in all conditions. 

· Fuel-tank capacity is 1.9 gallons.

· Resettable, easy-to-read three-digit odometer.

· USDA-qualified muffler/spark arrester.

· Powerful 35-watt halogen headlight offers a wide range of illumination.

· Integrated LED taillight in rear fender.

· Convenient sidestand integrated into left footpeg bracket can be easily removed for competition events.

· Wide-ratio five-speed transmission.

· Suspension and chassis tuned for competitive off-road riding needs.

· 18-inch rear wheel for greater flat-tire protection.

· T-ring-sealed chain is approximately 1.6mm narrower, and stronger compared to conventional chains.

· Skidplate and engine guards feature a unique three-piece design.

Engine/Drivetrain
· Powerful four-stroke 449cc liquid-cooled four-valve Unicam® engine is designed to produce power across a wide rpm band for off-road riding (see Technology Section).

· Electric starter drives the clutch side of the crankshaft to provide superior lubrication of starter gears and produce a narrow engine with a short, strong crankshaft.

· Compact, lightweight engine assembly weighs only 71 pounds.

· Lightweight titanium intake valves permit use of smaller valve springs, reducing overall engine height.

· Clutch cover and cylinder-head cover are made of magnesium to reduce engine weight.

· Forged 12.0:1-compression slipper piston is lighter than a conventional design, revving quickly while maintaining excellent cylinder sealing and high-rpm power.

· Nikasil cylinder lining is lightweight and provides cooler and quieter operation for extended engine life.

· 40mm Keihin FCR-type carburetor features four rollers on the flat slide, resulting in light throttle effort, smooth operation, crisp throttle response and excellent rideability.

· Carburetor features a Throttle Position Sensor (TPS) to help maintain linear throttle response throughout the rpm range.

· Twin-sump lubrication system separates the oil supply for the crankshaft, piston and valve train from the clutch and transmission. This ensures a cool supply of oil to the clutch, eliminates clutch and transmission material contamination of the engine oil, reduces the amount of circulating oil and permits the use of a smaller oil pump.

· Exhaust system uses a lightweight, stainless-steel exhaust header and muffler equipped with spark arrester.

· Dual radiators feature a refined core area for improved heat dissipation compared to conventional dual-radiator design. Coolant recovery tank is located in front of the engine between the frame downtubes for improved center of gravity. Coolant tank is protected by plastic skidplate.

· Gear-driven balancer reduces vibration and drives the water pump. Eight clutch plates provide the surface area necessary to handle the engine's massive torque, while carefully matched clutch springs provide a light feel at the lever.

· Durable and versatile five-speed wide-ratio transmission.

Chassis/Suspension
· Fourth-generation Twin-Spar Aluminum Frame with forged-aluminum steering head (see Technology Section).

· HPSD features a compact damper attached to the upper triple clamp and the steering head to augment more aggressive steering characteristics and assist straight-line handling. Tuned specifically for higher speed, non-motocross, off-road riding applications, the CRF450X damper incorporates different valving/settings compared to the units on the motocross models. HPSD provides straight-line confidence at high speeds, a planted feel in corners, less rider fatigue and outstanding control over a wider variety of terrain and riding conditions.

· 18-inch rear wheel features same lightweight rear hub and HRC works-type lightweight-aluminum spoke nipples as used on CRF450R.

· Front wheel features large-diameter front axle and wide wheel-bearing span for excellent rigidity.

· 25mm rear-axle diameter and large-diameter bearings provide optimum rigidity to withstand torturous off-road conditions.

· Revised, sophisticated Inverted Twin-Chamber Cartridge Fork (see Technology Section).

· Pro-Link® Rear Suspension (see Technology Section) with new damper settings.

· Large 50mm diameter for rear shock damper piston for consistent performance under demanding riding conditions.

· Compact twin-piston front brake caliper, anodized-aluminum brake pistons and lightweight front brake disc minimize unsprung weight for improved turning and handling.

· HRC works-type rear brake system integrates the rear master cylinder and fluid reservoir, eliminating the need for a separate reservoir and hose assembly.

Additional Features
· Rider ergonomics are optimized by adapting the handlebar, seat and footpeg height to place the rider's legs at the narrowest cross-section of the frame for improved comfort and handling feel.

· Rear-brake pedal and shift lever are made of lightweight aluminum and are designed to complement the riding position. Brake pedal features optimized ratio to match integrated rear-brake master-cylinder design.

· Wide, cleated, stainless-steel footpegs are self-cleaning, resist corrosion, provide excellent grip and fold for extra ground clearance.

· Aluminum Renthal handlebar (971 bend) is rubber-mounted to help reduce rider fatigue and improve comfort.

· Handlebar holders provide two different mounting positions to match rider preference.

· Works-type handlebar grips add to rider comfort.

· Adjustable front-brake lever.

· Hot-start lever conveniently located on clutch perch.

· Quick-adjust clutch perch.

· Front disc brake cover helps protect rotor and caliper from damage.

· Removable rear subframe allows for easy maintenance.

· Comfortable, durable controls and high-quality fasteners.

· Stainless-steel clutch cable for long life.

· Honda Racing-inspired colors and graphics.
 

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