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Straighter exhaust port, and extended ribs in both the intake and exhaust ports improve low to mid-range response
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Throttle barrel utilizes new low-friction design for improved rider control and performance feedback
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Revised ignition system timing improves top-end and over-rev performance
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Rev-limiter changed to spark drop out control for smooth power drop-off and excellent over-rev characteristics
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Radiators are 40mm longer for improved cooling efficiency
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Water pump cover and oil filter cap are now separate for simplified maintenance
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Muffler features new packing and construction for longer service and increased durability
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Third and fourth input gears are shotpeened for improved reliability and durability
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New clutch friction plates have fewer contact pads to provide the rider with a more direct clutch feel
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Clutch springs are made from new, more durable material to resist sagging
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Clutch adjuster makes adjustments on the track quick and easy
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Clutch cable outer liner now made of Teflon for smoother clutch action
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Head pipe wall thickness has been increased from 2.6 to 3.2mm for improved handling
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Footpegs are wider and offer better grip
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Chain guide roller now uses two bearings for greater durability
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Kayaba semi-sealed, 48mm inverted cartridge forks have new low-friction seals for smoother action through the stroke range
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Fork mounting bolts have been relocated on the top triple clamp for easier maintenance and stronger mounting
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Lighter fork and rear shock mounting bolts contribute to reduced overall weight
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Width of handlebar mounts have been increased from 90 to 98mm to help prevent bending
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Dual-piston 250mm front disc brake uses new pad material for improved performance and rider feel
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New front brake lever provides rider with better feedback
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New seat cover uses high-grip top for good grip when cornering and smoother sides for transitioning from sitting to standing
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More durable urethane foam improves comfort and durability
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Aluminum and steel sprockets
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Carburetor setting parts
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Front fork and rear shock springs
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Flywheel rotors for altering the amount of engine inertia to suit riding style and track conditions
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Right handlebar-mounted lever allows manual operation of engine decompression, making it easier to clear a flooded engine
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20-inch front wheel |
