Yamaha SR250: review, history, specs
Manufacturer | Yamaha |
---|---|
Production | 80-82 |
Engine | 250cc |
Sparkplug | BP7ES '80-82 |
Battery | 12N12A-4A-1 '80-82 |
Front Tire | 3.00-18 '80-82 |
Rear Tire | 120/90-16 '80-82 |
Manuals | Service Manual |
Tech Specs · Brochures · Reviews · Ads · Videos |
The Yamaha SR250 is a motorcycle produced by Yamaha from 1980 to 1982.
1982
|
Manufacturer | Yamaha |
---|---|
Also called | SR250 US. Custom, SR 250 US. Custom, SR250 Special (reduced effect), SR 250 Special (reduced effect), SR250SE, SR 250 Special, SR250 Special, SR 250 SE, SR 250 |
Production | 1978 - 1983 |
Class | Classic |
Engine | single cylinder, four-stroke |
Bore / Stroke | 73.5mm x 56.5mm |
Compression ratio | 8.9:1 |
Top speed | 71 mph (115 km/h) |
Horse Power | 16.63 HP (12.4 KW) @ 7400RPM |
Torque | 14.01 ft/lbs (19.0 Nm) @ 7000RPM |
Battery | 9.2:1 |
Transmission | Gear box: 5-speed Final Drive: chain |
Suspension | Front: Telescopic Forks Rear: Dual Shock |
Brakes | Front: expanding brake Rear: expanding brake |
Front Tire | 3.00-19 |
Rear Tire | 120/90-16 |
Wheelbase | 52.8 inches (1341 mm) |
Seat height | 29.09 inches (739 mm) |
Weight | (dry), 135.0 kg (wet) |
Fuel capacity | 2.64 Gallon (10.00 Liters) |
Manuals | Service Manual |
Tech Specs · Brochures · Reviews · Ads · Videos |
The Yamaha SR250SE was a single cylinder, four-stroke Classic motorcycle produced by Yamaha between 1978 and 1983. It could reach a top speed of 71 mph (115 km/h). Max torque was 14.01 ft/lbs (19.0 Nm) @ 7000 RPM. Claimed horsepower was 16.63 HP (12.4 KW) @ 7400 RPM.
Engine
The engine was a air cooled single cylinder, four-stroke. A 73.5mm bore x 56.5mm stroke result in a displacement of just 240.0 cubic centimeters. Fuel was supplied via a overhead cams (ohc).
Drive
The bike has a 5-speed transmission. Power was moderated via the Wet multi-plate.
Chassis
It came with a 3.00-19 front tire and a 120/90-16 rear tire. Stopping was achieved via expanding brake in the front and a expanding brake in the rear. The front suspension was a Telescopic Forks while the rear was equipped with a Dual Shock. The SR250SE was fitted with a 2.64 Gallon (10.00 Liters) fuel tank. The wheelbase was 52.8 inches (1341 mm) long.
1978 - 1982 Yamaha SR 250
The Yamaha SR 250 has the same engine from XT, single side drum front brake and some other components, such as the sanil-type rear chain adjuster, showed similar trail antecedents.
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