2008 Honda CRF250X

2008 Honda CRF250X CRF250X Winning magazine shootouts as well as the hearts of serious off-road riders, the CRF250X offers a rare combination of light weight and tractable power in one of the best handling packages in the off-road world. Features & Benefits New for 2008 - Honda Race Team-inspired graphics. - New lightweight rear hub from CRF®250R. - New lighter swingarm. - New lighter rear shock body. - Lightweight front fork guards and cable brackets from CRF450X. - New front axle placement as in the CRF250R for improved fork action and turning. - New intake valve seat material improves valve durability. - Over all weight reduction 1.1 pounds. Unique Features - Electric start system for easy starting in all conditions. - California model meets California Air Resources Board (CARB) emissions standards. - Gas-tank capacity is 2.2 gallons. - Resettable, easy-to-read three-digit odometer. - USDA-qualified muffler/spark arrester. - Powerful 35W halogen headlight features an innovative lens for a wide range of illumination. - Integrated LED taillight in rear fender. - Convenient sidestand. - Easy-access air filter. - Wide-ratio five-speed transmission. - Suspension tuned for competitive off-road riding needs. - 18-inch rear wheel for greater flat-tire protection. - T-ring sealed chain is narrower, stronger and lighter compared to conventional O-ring chains. Engine/Drivetrain - Powerful four-stroke 249cc liquid-cooled four-valve Unicam® engine is designed to produce power across a wide rpm band for easy-to-control operation. - Electric starter drives the clutch side of the crankshaft to provide superior lubrication to starter gears, and produce a narrow engine with a short, strong crankshaft. - Lightweight, compact, internal auto decompressor system provides superb cold-starting and hot-starting operation. - Compact, lightweight engine assembly weighs only 58.2 pounds. - Unicam valve train provides the light weight of a compact single-cam design and the optimum combustion chamber shape for maximum power at all engine rpm. - Unicam valve train features a carburized single camshaft that directly actuates two 31mm titanium intake valves. The camshaft exhaust lobe actuates two 26mm steel exhaust valves via a forked, low-friction, roller rocker-arm. - Lightweight titanium intake valves permit use of smaller valve springs, reducing overall engine height. - Crankshaft is made of high-strength, low-carbon steel with carburized main journals for maximum durability at sustained high-rpm operation. - ACG cover, clutch cover and cylinder-head cover are made of magnesium to reduce engine weight. - Forged 12.5:1 compression slipper piston is lighter than a conventional design, revving quickly while maintaining excellent cylinder sealing and high-rpm power. - Double-carburized connecting rod utilizes a big-end needle bearing for maximum high-rpm performance and durability. - Nikasil cylinder lining is lightweight and provides cooler and quieter operation for extended engine life. - 37mm Keihin FCR-type carburetor features four rollers on the flat slide, resulting in very light throttle effort, smooth operation, crisp throttle response and excellent rideability. - Carburetor features a throttle position sensor (TPS) that helps 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. - Vertically split crankcases feature a built-in oil pump, reducing weight compared to a conventional design. - 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, and coolant recovery tank. - 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. - T-ring-sealed chain is approximately 1.6mm narrower, and stronger compared to conventional chains. - Durable five-speed wide-ratio transmission.

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