Yamaha IT 490 (1980)

Make Model: Yamaha IT 425


Year: 1980
Engine: Two stroke, single cylinder, read valve
Capacity: 425 cc / 25.9 cu-in
Bore x Stroke: 85 x 75 mm
Cooling System: Air cooled
Compression Ratio: 7.3;1
Induction: 38mm VM38SS Mikuni carburetor
Ignition: CDI
Starting: Kick
Max Power: 36.9 hp / 27.5 kW @ 6000 rpm (rear tyre
Max Torque: 31 lb-ft / 4.23 kg-m @ 5500 rpm
Transmission: 5 Speed
Final Drive: Chain
Front Suspension: 43mm Telescopic adjustable forks, 300mm wheel travel
Front Wheel Travel: 250 mm / 9.8 in
Rear Suspension: Mono shock, adjustable spring preload and rebound damping, 300mm wheel travel
Rear Wheel Travel: 250 mm / 9.8 in
Front Brakes: Drum
Rear Brakes: Drum
Front Tyre: 3.00 -21
Rear Tyre: 150/80 -18

Rake: 29.5 degrees
Trail: 125 mm / 4.9 in
Wheelbase: 1430 mm / 56.2 in
Ground Clearance: 285 mm / 11.2 in
Dry Weight: 111 kg / 244.7 in
Fuel Capacity: 13.6 Litres / 3.5 US gal


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