Yamaha IT250
Manufacturer | Yamaha |
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Production | 77-83 |
Engine | 250 |
Sparkplug | B9EV '77 , '78 , '79 , '80 , '83 B9EGV '81-82 |
Front Tire | 3.00-21 '77 , '78 , '79 , '80 , '81-82 , '83 |
Rear Tire | 140/80-18 '83 6705 '80 , '81-82 4.50-18 '77 , '78 , '79 |
Manuals | Service Manual |
Tech Specs · Brochures · Reviews · Ads · Videos |
The Yamaha IT250 is a motorcycle produced by Yamaha from 1977 to 1983.
The Yamaha IT250H is a 175cc, single cylinder, two stroke, reed valve, motocross motorcycle manufactured by Yamaha and was produced in 1981.
It has a six speed gearbox, suspension is 32mm front forks, with monoshock and aluminium swingarm at the rear. The IT was made for enduro use, although it was used with success for trail riding and motocross.
See Also
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Manufacturer | Yamaha |
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Also called | IT250E, IT 250 E, IT 250 |
Production | 1978 - 1982 |
Class | Touring |
Engine | single cylinder, two-stroke |
Bore / Stroke | 71.1mm x 71.1mm |
Compression ratio | 7.9:1 |
Top speed | 68 mph (110 km/h) |
Horse Power | 10.06 HP (7.5 KW) @ 5500RPM |
Torque | 10.33 ft/lbs (14.0 Nm) @ 5500RPM |
Ignition type | cdi |
Battery | 7.8:1 |
Transmission | Gear box: 6-speed Final Drive: chain |
Suspension | Front: conventional forks Rear: mono-x triangular swingarm |
Brakes | Front: expanding brake (drum brake). cable Rear: expanding brake (drum brake). mechanical link |
Front Tire | -21 |
Rear Tire | -18 |
Wheelbase | 57.09 inches (1450 mm) |
Dimensions | L 86.81 inches (2205 mm) W 35.0 inches (889 mm) |
Seat height | 36.42 inches (925 mm) |
Weight | 246.04 pounds (111.6 Kg) (dry), 95.3 kg (wet) |
Fuel capacity | 3.2 Gallon (12.11 Liters) |
Fuel consumption | 3.92 litres/100 km (25.5 km/l or 60.01 mpg) |
Manuals | Service Manual |
Tech Specs · Brochures · Reviews · Ads · Videos |
The Yamaha IT250 was a single cylinder, two-stroke Touring motorcycle produced by Yamaha between 1978 and 1982. It could reach a top speed of 68 mph (110 km/h). Max torque was 10.33 ft/lbs (14.0 Nm) @ 5500 RPM. Claimed horsepower was 10.06 HP (7.5 KW) @ 5500 RPM.
Engine
The engine was a air cooled single cylinder, two-stroke. A 71.1mm bore x 71.1mm stroke result in a displacement of just 247.0 cubic centimeters. Fuel was supplied via a membrane.
Drive
The bike has a 6-speed transmission. Power was moderated via the wet plate.
Chassis
It came with a -21 front tire and a -18 rear tire. Stopping was achieved via expanding brake (drum brake). cable in the front and a expanding brake (drum brake). mechanical link in the rear. The front suspension was a conventional forks while the rear was equipped with a mono-x triangular swingarm. The IT250 was fitted with a 3.2 Gallon (12.11 Liters) fuel tank. The bike weighed just 246.04 pounds (111.6 Kg). The wheelbase was 57.09 inches (1450 mm) long.
1980 - 1983 Yamaha IT 250
Based on the all-conquering YZ motocrossers, the IT 250 uses such high-tech innovations as YEIS, capacirot dicharge ignition, a chrome-moly double-cradle frame and Yamaha`s exclusive Monoshock suspension.
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