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Compact 450cc, 4-stroke, liquid-cooled, DOHC, 4-valve engine - lightweight design with emphasis on broad power delivery
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Narrow cylinder head design featuring shim-under-bucket valve train with titanium valves for reduced reciprocating mass and more stable high-rpm performance
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Lightweight hollow-type camshafts with carburized surface treatment for durability and high lubrication qualities - hollow design further contributes to precise valve operation at all engine rpm
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Durable forged-aluminum piston with tin plating and oil retaining grooves to reduce friction and wear
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Electro-plated aluminum cylinder bore for increased durability and heat transfer
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Keihin FCR40 carburetor with hot start system and a throttle-position sensor linked to digital CDI ignition
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Lightweight exhaust system with titanium head pipe with large-capacity stainless-steel secondary pipe and aluminum muffler
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Automatic decompression system similar to RM-Z250 - simple lightweight system designed for easy kick starting and durable operation
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Suzuki Advanced Sump System - semi-dry-sump lubrication system featuring separate crankshaft and transmission oil chambers - permits low crankshaft placement for reduced engine height and low center-of-gravity
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Suzuki Active Vent System - one-way reed valve system between crankshaft and transmission to reduce crank chamber pressure and enhance piston ring seal performance and overall engine power
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Four-speed transmission for weight reduction and compact engine size - allows clutch to be placed closer to engine centerline to concentrate engine mass and reduces crankcase area required for transmission
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Counterbalancer shaft gear-driven off the magneto rotor to reduce engine vibration without adding to engine size or weight
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Attractive aluminum twin-spar frame designed for optimum strength, rigidity and weight
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Aluminum swingarm with tapered beam design similar to RM250 - features cast-aluminum cross beam to improve straight-line performance
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RM250-type rear suspension linkage - suspension load placed on the swingarm instead of the frame to reduce weight, and allows smoother movement of the rear shock and linkage for improved rear wheel traction
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New lightweight chain guide design similar to RM125/250 - cutaway design reduces weight
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Showa-brand cartridge-style front fork with 47mm inner tube, plus 22-way compression damping, 20-way rebound damping and 12.2 inches of wheel travel - internal structure similar to RM250
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Showa-brand rear shock absorber with large 50mm piston and 18mm inner rod for increased oil flow and stable damping performance
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Large 250mm front disc brake designed for reduced weight and high durability - includes Kevlar brake hose for low expansion rate and improved brake lever feel - rotor is mounted at four points instead of six with new-type shouldered bolts for a secure fit
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Compact 240mm rear disc brake with lightweight caliper body similar to RM-Z250 - rotor is mounted at four points instead of six with new-type shouldered bolts for a secure fit and minimal weight
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New-style wheels, spokes and spoke nipples designed for the best balance of weight, rigidity and overall wheel strength
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New-style front and rear wheel hubs designed for reduced weight and added strength - provides more rigid assembly when combined with larger axle, new spoke design and wide wheel bearing pitch
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Specially-designed Bridgestone tires with large contact patch for improved traction and acceleration - 90/100-21 front, 120/90-19 rear - wider than competing models without weight increase
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Renthal tapered aluminum handlebars with Renthal-labeled handlebar pad - lighter than standard bars - rubber-mounted to reduce vibration
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Titanium footpegs designed for high grip and minimal weight
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Slim fuel tank shape designed to blend with the seat and radiator shrouds for easy rider movement and weight transition
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New-design rear fender and frame covers with fresh air vents for increased air flow to the carburetor airbox
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Shouldered aluminum spacers for quick and secure mounting of body work
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Specs, Quotes, Overview
Standard Features
