Difference between revisions of "Yamaha SR250"
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{{DISPLAYTITLE:{{PAGENAME}}: review, history, specs}} | {{DISPLAYTITLE:{{PAGENAME}}: review, history, specs}} | ||
{{Infobox Motorcycle | {{Infobox Motorcycle | ||
|name = '''Yamaha SR250''' | |name = '''Yamaha SR250''' | ||
|image = | |image = [[File:1982-Yamaha-SR250-Blue-2751-0.jpg|frameless]] | ||
|aka = SR250 Custom | |aka = SR250 Custom | ||
|manufacturer = [[Yamaha]] | |manufacturer = [[Yamaha]] | ||
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|competition = | |competition = | ||
}} | }} | ||
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. | 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. | ||
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==1978 - 1982 Yamaha SR 250== | ==1978 - 1982 Yamaha SR 250== | ||
<gallery mode='packed-hover'> | |||
File:yamaha-sr250-1978-1982-2.jpg|600px|1978 - 1982 Yamaha SR 250 | |||
File:yamaha-sr250-1978-1982-1.jpg|600px|1978 - 1982 Yamaha SR 250 | |||
File:yamaha-sr250-1978-1982-0.jpg|600px|1978 - 1982 Yamaha SR 250 | |||
</gallery> | |||
The Yamaha SR 250 has the same engine from [[Yamaha XT250|XT250]], single side drum front brake and some other components, such as the sanil-type rear chain adjuster, showed similar trail antecedents. | The Yamaha SR 250 has the same engine from [[Yamaha XT250|XT250]], single side drum front brake and some other components, such as the sanil-type rear chain adjuster, showed similar trail antecedents. | ||
==1982== | ==1982== | ||
<gallery mode='packed-hover'> | |||
File:1982-Yamaha-SR250-Blue-2751-0.jpg|left|thumb|1982 Yamaha SR250 in Blue | |||
File:1982-Yamaha-SR250-Blue-2751-1.jpg|left|thumb|1982 Yamaha SR250 in Blue | |||
File:1982-Yamaha-SR250-Blue-2751-2.jpg|left|thumb|1982 Yamaha SR250 in Blue | |||
File:1982-Yamaha-SR250-Blue-2751-3.jpg|left|thumb|1982 Yamaha SR250 in Blue | |||
File:1982-Yamaha-SR250-Blue-2751-4.jpg|left|thumb|1982 Yamaha SR250 in Blue | |||
</gallery> | |||
<br style="clear: left"/> | <br style="clear: left"/> | ||
Revision as of 15:32, 4 June 2019
Manufacturer | Yamaha |
---|---|
Also called | SR250 Custom |
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 |
Sparkplug | NGK BP7ES '80-82 |
Battery | YUASA 12N12A-4A-1 '80-82 |
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) |
Related | Yamaha XT250 |
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 XT250, single side drum front brake and some other components, such as the sanil-type rear chain adjuster, showed similar trail antecedents.
1982
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