1977 Yamaha IT 400 technical specifications

Technical specifications

Model: IT 400
Years: 1977-78
Engine: Two stroke, single cylinder, read valve
Capacity: 396 cc / 24.1 cu-in
Bore x Stroke: 85 x 70 mm
Cooling System: Air cooled
Compression Ratio: 7.6:1
Induction: VM38SS Mikuni carburetor
Ignition: CDI
Starting: Kick
Max Power: 40 hp / 29.8 kW @ 7000 rpm
Max Torque: 30.9 lb-ft / 41.8 Nm @ 6000 rpm
Transmission: 5 Speed
Final Drive: Chain
Front Suspension: 43mm Telescopic adjustable forks
Front Wheel Travel: 300 mm / 11.8 in
Rear Suspension: Mono shock, adjustable spring preload and rebound damping
Rear Wheel Travel: 300 mm / 11.8 in
Front Brakes: Drum
Rear Brakes: Drum
Front Tyre: 3.00 -21
Rear Tyre: 150/80 -18
Rake: 31.5°
Trail: 142 mm / 5.5 in
Wheelbase: 1430 mm / 56.2 in
Ground Clearance: 240 mm / 9.4 in
Dry Weight: 115 kg / 253.5 lbs
Fuel Capacity: 13.6 Litres / 3.4 US gal

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