Engine

  • Liquid cooled, four-stroke, four valve SOHC 686cc engine produces big power and instant hookup
  • Fuel injection for instant power, no carb fiddling (especially at different atmospheric levels) and no choke lever application
  • 44mm big bore Mikuni throttle body optimises new engine’s output.
  • Long nose, 12 hole fuel injector for efficient fuel atomisation
  • Fuel injection system diagnostic tool connector for convenient engine management
  • Compact cylinder head design reduces weight and increases combustion efficiency. Needle roller bearing rocker arms improve fuel consumption and torque
  • New forged piston with 9.2:1 compression ratio for light weight and durability
  • Carburised Chrome-Moly alloy rod and enlarged crankshaft pin diameters to allow increased displacement and torque
  • Twin engine balancer system to reduce vibration
  • YZ/WR auto decompression for easy starting, less weight and increased power
  • Compact, low friction camchain tensioner for reduced friction and low weight
  • All aluminium cylinder with ceramic composite coating for low weight and increased cooling and wear resistance
  • Dry sump reduces engine height and concentrates mass for improved handling
  • Increased engine mounting points (four) for reduced vibration
  • Foam filter for quick and easy servicing
  • Trick stainless two-into-one pipe with oval silencer
  • Wide ratio five speed box with reverse gear for ease of operation
  • Increased clutch capacity improves gear shifting

Chassis

  • High tensile front frame and gravity cast aluminium main frame mates to a die cast aluminium swingarm  to offer perfect rigidity balance and weight reduction
  • Trick new mudguards increase rider mobility
  • Lightweight grab bars front and rear
  • Double aluminium/steel wishbone suspension features forged aluminium steering knuckle with quick replace lower ball joint for optimum suspension, reduced weight and easy maintenance
  • New Kayaba front suspension units feature dual rate springs and new design damper for sports riding
  • Two-piston front brake calipers for awesome braking performance
  • Piggyback rear SOQI shock features compression and rebound damping, new gas-oil damper, aluminium cylinder and chamber with remote reservoir for plush action and less weight
  • Eccentric axle chain adjuster for quick and easy servicing
  • New maintenance free parking brake works with smaller rear disc that reduces weight and increases ground clearance
  • New radial Dunlop tyres feature changed tread pattern and wider rear (900mm) for increased traction
  • 11 litre plastic fuel tank with integral fuel pump pressure regulator for fuel injection system
  • Smaller and more stylish multi-reflector dual headlights 
  • Smart YZF-R1 style LED tail light
  • Compact ECU for weight reduction
  • LED indicator lights for weight reduction, legibility, maintenance and power saving