PW80 1997   Engine Configuration Twostroke single Lubrication Autolube 0.95 litre (0.8 imp. qt.)  Bore & Stroke 47 x 45.6mm  Ignition CDI Capacity 79cc  Charging system Compression Ratio 6.6 : 1  Starter kickstarter  Maximum Power Transmission Maximum Torque 0.59 kgf-m (4.27 ft-lb) @ 5,000 rpm  Gearbox 3 speed Fuel VM15SC  Clutch Chassis Frame Steel main  Wheels Dimensions  Weight: 57kg (126 lbs) Dry Wheelbase: 1,055mm (41.5")  Length: 1,540mm (60.6")  Seat Height: 635mm (25")  Ground Clearance: 185mm (7.3")  Tyres 2.50-14 front 3.00-12 rear Front Suspension Hydraulic telescopic  Brakes Drum front and rear Rear suspension Mono shock Fuel Capacity 4.9 litre (1.1 imp.gal.) Performance Top Speed Fuel Economy Acceleration Colour Purplish white  Yamaha specifications Scale Models Yamaha Books