Engine type: Liquid-cooled V-four two-stroke with YPVS crankcase reed-valve induction
Bore and stroke: 54.0 x 54.5mm
Displacement: 499cc
Ignition: Yamaha programmable digital electronic ignition
Carburation: Four 35mm Keihin flatslide carburetors
Maximum power: over 180ps
Maximum speed: over 315 km/h
Transmission: Six-speed cassette-type gearbox
Primary drive: Gear
Clutch: Dry multi-plate
Final drive: Chain
Frame type: Twin spar aluminium Deltabox frame
Rake: 22-23-degrees +/- 1.5-degrees
Wheelbase: 1400mm +/- 20mm
Front suspension: Fully-adjustable Kayaba inverted telescopic forks
Rear suspension: Braced aluminium swingarm with single Kayaba shock and rising-rate linkage
Front/rear wheels: Marchesini magnesium rims, front: 3.75 x 17.0, rear: 6.00 x 16.5/17.0
Front/rear tyres: Michelin slicks
Front brake: Twin carbon discs with radial mounted four-piston Brembo calipers
Rear Brake: Single ventilated steel disc with twin-piston Brembo caliper
Weight: 131kg, in accordance with FIM regulations
Fuel capacity: 32 litres
Specifications by YAMAHA for Nakano's bike
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