1980 Yamaha IT 250 technical specifications

Technical specifications

Model: IT 250
Years: 1980-81
Engine: Two stroke, single cylinder, read valve
Capacity: 246 cc / 15.07 cu-in
Bore x Stroke: 70 x 64 mm
Cooling System: Air cooled
Compression Ratio: 9.8;1
Exhaust system: Upswept expansion chamber with USFS-approved spark arrestor and silencer
Induction: 30mm Mikunis carburetor
Ignition: CDI
Starting: Kick
Max Power: 32.2 hp @ 7500 rpm
Max Torque: 22.6 / 3.12 kg-m @ 7500 rpm
Transmission: 6 Speed
Final Drive: Chain
Gear Ratio: (1) 32/12, 2.666 (2)30/15, 2.000(3)25/16, 1.563(4)25/20, 1.250 (5)23/22, 1.045(6)21/24,0.875
Frame: Single-downtube, full-cradle chrome-moly frame with aluminum box-section swing arm
Front Suspension: Air-assisted, oil-damped fork
Front Wheel Travel: 380 mm /
Rear Suspension: Aluminum-bodied monoshock with adjustable damping and preload producing
Rear Wheel Travel: 270 mm /
Front Brakes: Drum 130 x 22mm shoes
Rear Brakes: Drum 150 x 25mm shoes
Front Tyre: 90/90 -21
Rear Tyre: 12/90 -18
Rake: 29°
Trail: 125 mm / 4.9 in
Wheelbase: 1450 mm / 57.0 in
Wet Weight: 106.5 kg / 234.7 lbs
Fuel Capacity: 13 Litres / 3.4 US gal

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