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FEATURES |
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New for 2002
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Revamped carburetor settings deliver crisper,
more linear throttle response
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Remapped digital CD ignition system delivers
more precise spark and optimal timing
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All-new hydroformed swingarm is lighter and
stronger for reduced weight, greater rigidity
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Rear shock refinements: improved actuation, a
new linking ratio and enhanced damping force.
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Revamped front fork settings deliver improved
damping force with less bottoming
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Lightweight front wheel hub reduces unsprung
weight and increases durability.
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Larger rear brake disc means
greater stopping power.
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Reworked handlebar mounts are
increased in size
Engine
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Liquid-cooled,
249cc, 5-valve, DOHC, 4-stroke, 13,500-rpm redline
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Titanium
valves and load-reduced springs
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Lightweight forged piston
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Trick, works-style adjustable clutch lever
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Slick-shifting, 5-speed transmission with
heavy-duty, multi-plate clutch
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37mm Keihin FCR flat-slide carburetor with
throttle position sensor (TPS)
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Digital CD ignition system
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Large-capacity radiator
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Lightweight exhaust system with specially
shaped header angle
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Aluminum exhaust silencer looks trick and
reduces weight.
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Primary kick starting with integrated
hot-start button
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Dry sump lubrication system uses frame as oil
tank,
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Magnesium cylinder head cover helps shave
weight.
Chassis/Suspension
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Ultra-rigid, high-tension steel, YZ125-style
twin-spar frame
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Lightweight 46mm inverted Kayaba cartridge
fork features 11.8" of travel
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Low-friction outer tubes and aluminum piston
rods
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Rear suspension system features fully adjustable
Kayaba shock with 12.4" of travel
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YZ-426F-spec brake system features 250mm fully
floating front disc and 245mm rear disc
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Lightweight 21" front and 18" rear
rims
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Premium Dunlop 739 knobbies
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SPECIFICATIONS |
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MSRP
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$5,699 Available from December 2001
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Engine
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Type
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249cc, liquid-cooled, 5-titanium valves, DOHC,
4-stroke
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Bore x stroke / mm
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77 x 53.6mm
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Compression Ratio
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12.5:1
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Carburetion
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37mm Keihin FCR flat-slide w/throttle position
sensor
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Transmission
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Wide-ratio, 5-speed w/multi-plate wet clutch
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Ignition
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Digital CDI
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Final Drive
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#520 O-ring chain
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Dimensions
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Length
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84.9"
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Width
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32.6"
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Dry Weight
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237 - 239 lbs (w/o fuel)
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Height
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51.3"
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Fuel Capacity
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3.17 gallons
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Wheelbase
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58.1"
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Seat Height
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39.3"
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Ground Clearance
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15.0"
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Suspension / Brakes
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Front suspension
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46 mm Kayaba Inverted Telescopic Fork, 11.8" travel
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Rear suspension:
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Fully adjustable Kayaba single
shock, 12.4" travel
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Front brake:
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250 mm Floating Disc
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Rear brake:
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240 mm Disc
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Other
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Color
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Team Yamaha Blue/White
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Warranty
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30 Day (Limited Factory Warranty)
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