Segment: Enduro/Offroad
Production years: 1980, 1981
2 Photos
For 1980, Yamaha comes with a new 425cc, two stroke power plant out muscles many bigger engines. Yamaha`s reed valve Torque Induction churns out gobs of low end
torque and ensures steady, reliable power at any spped.
YAMAHA IT 425 1980-1981
YAMAHA IT 425 425
| engine specs | Type: | Two stroke, single cylinder, read valve, air cooled | Displacement: | 425 cm3 | Bore X Stroke: | 3.3x3.0 in OR 84 mm | Compression Ratio: | 7.3:1 | Horsepower: | 36.9/6000 KW(hp)/RPM | Torque: | 31/5500 lb-ft/RPM OR 42/5500 Nm/RPM | Fuel System: | 38mm VM38SS Mikuni carburetor |
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| transmission specs | Gearbox: | 5-Speed | Clutch: | Wet multi-discs | Primary Drive: | - | Final Drive: | Chain |
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| chassis specs | Frame: | - | Front Suspension: | 43mm Telescopic adjustable forks, 300mm wheel trave | Rear Suspension: | Mono shock, adjustable spring preload and rebound damping, 300mm wheel travel | Front Brake: | Drum | Rear Brake: | Drum |
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| dimension specs | Overall Length: | - | Overall Width: | - | Seat Height: | - | Wheelbase: | 56.3 in OR 1430 mm | Ground Clearance: | 11.2 in OR 284 mm | Weight: | 269 lbs OR 122 kg | Fuel Capacity: | 3.6 gallons OR 13.6 L |
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| tyres specs | Front: | 3.00 -21 | Rear: | 150/80 -18 |
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| power system specs | Power pack: | - | Nominal Capacity: | - | Maximum Capacity: | - | Charger type: | - | Charging time (normal): | - | Charging time (quick): | - | Range: | - |
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