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]]
Line 48: Line 45:
|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==
[[File:yamaha-sr250-1978-1982-2.jpg|600px|1978 - 1982 Yamaha SR 250]]
<gallery mode='packed-hover'>
[[File:yamaha-sr250-1978-1982-1.jpg|600px|1978 - 1982 Yamaha SR 250]]
File:yamaha-sr250-1978-1982-2.jpg|600px|1978 - 1982 Yamaha SR 250
[[File:yamaha-sr250-1978-1982-0.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==
[[Image:1982-Yamaha-SR250-Blue-2751-0.jpg|left|thumb|1982 Yamaha SR250 in Blue]]
<gallery mode='packed-hover'>
[[Image:1982-Yamaha-SR250-Blue-2751-1.jpg|left|thumb|1982 Yamaha SR250 in Blue]]
File:1982-Yamaha-SR250-Blue-2751-0.jpg|left|thumb|1982 Yamaha SR250 in Blue
[[Image:1982-Yamaha-SR250-Blue-2751-2.jpg|left|thumb|1982 Yamaha SR250 in Blue]]
File:1982-Yamaha-SR250-Blue-2751-1.jpg|left|thumb|1982 Yamaha SR250 in Blue
[[Image:1982-Yamaha-SR250-Blue-2751-3.jpg|left|thumb|1982 Yamaha SR250 in Blue]]
File:1982-Yamaha-SR250-Blue-2751-2.jpg|left|thumb|1982 Yamaha SR250 in Blue
[[Image:1982-Yamaha-SR250-Blue-2751-4.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

Yamaha SR250
1982-Yamaha-SR250-Blue-2751-0.jpg
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

Clutch: Wet multi-plate
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


In Media