• Compact, ultra-lightweight 998cc, DOHC, 20-valve, liquid-cooled in-line four-cylinder engine.
• Specially designed, one-piece cylinder and crankcase assembly provides tremendous engine rigidity that's lighter and stiffer than two-piece designs.
• Engine is a fully stressed chassis member to allow for a super-light frame design and outstanding handling.
• Compact slant-block engine design uses stacked gearbox shafts to create a low center of gravity and balanced front/rear weight distribution.
• Special 3-axis gearbox design stacks input/output shafts to keep overall engine size to 600cc-spec dimensions.
• Lightweight forged pistons feature carburized connecting rods for superb strength and reduced reciprocating mass.
• Four 40mm big-bore Mikuni CV downdraft carburetors provide precise fuel/air mixture across the rev range for superb low- to top-end power delivery.
• Throttle position sensor (TPS) monitors throttle position, adjusting ignition timing to ensure maximum muscle across the entire powerband.
• Yamaha's patented Exhaust Ultimate Powervalve (EXUP) monitors engine rpm and adjusts exhaust flow for maximum acceleration.
• 4-into-2-into-1 exhaust features super-lightweight titanium muffler.
• Specially designed camshaft lubrication system reduces tappet clearances and valve train mechanical noise.
• Patented electroplated cylinder bores ensure greater heat dissipation for consistent power delivery and reduced frictional power loss.
• Magnesium pickup coil and shift shaft covers reduce weight for better acceleration and handling.
• Close-ratio 6-speed transmission delivers seamless power transfer between gears for maximum acceleration.
• Compact, large-capacity clutch ensures consistent, positive engagement.
• Smooth-shifting hollow chromoly shift shaft delivers superior shift feel and helps reduce weight.

Chassis/Suspension:

• Dry weight an incredible 385 pounds.
• Deltabox II aluminum chassis designed with 600cc-spec 54.9" wheelbase and 56º° maximum lean angle for industry-leading handling.
• Extra-long (22.9"), truss-type swingarm features forward-mounted pivot point for superb handling.
• Fully adjustable (preload, compression and rebound damping) 41mm inverted telescopic front fork with 5.3" of travel offers race-bred suspension performance.
• Fully adjustable (preload, compression and rebound damping) 40mm piggyback rear shock with 5.1" of travel delivers exceptional rear wheel tracking and super-precise handling performance.
• Dual 298mm front disc rotors with one-piece 4-piston calipers and 245mm rear disc rotor with dual-piston caliper provide outstanding stopping power.
• Cast-aluminum 3-spoke wheels wear competition-spec 120/70-ZR17 front and 190-50-ZR17 rear Dunlop D207 radials for incredible grip.
• Adjustable, 5-position front brake lever.
• Forged footpegs are extra durable and reduce weight.
• Extensive use of hollow bolts and lightweight fasteners help trim overall weight.
• Durable #530 O-ring-sealed drive chain.

Additional Features:

• Specially designed fairing, headlight profile, fuel tank, tailsection and body cowling reduce aerodynamic drag for greater acceleration and increased top speed.
• 4.75-gallon fuel tank features a low top profile, gently sloping rear section and deep side cutouts to create a super-aggressive riding position.
• Multi-function digital and analog instrumentation with LED illumination features: digital speedometer, analog tachometer, dual tripmeters with odometer, upward-counting fuel reserve meter, water temp gauge and lights for neutral, high beam, low fuel and turn signals.
• Trick, race-spec step-motor tachometer is wafer-thin to reduce weight.
• Dual 60/55-watt multi-reflector headlight features a sleek, cat-eye profile for superb aerodynamics and visibility.
• Dual-bulb taillight design reduces both weight and size while providing excellent visibility.
• Anti-theft wiring harness provides easy-access terminals to simplify alarm installation.
• Standard toolkit located in convenient storage compartment under passenger seat.