Difference between revisions of "Yamaha SR250"

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{{Infobox Motorcycle
{{DISPLAYTITLE:{{PAGENAME}}: review, history, specs}}
{{Motorcycle
|name            = Yamaha SR250
|name            = Yamaha SR250
|image           =
|photo           = 1982-Yamaha-SR250-Blue-2751-0.jpg
|aka              =
|aka              = SR250 Custom, Exciter
|manufacturer    = [[Yamaha]]
|manufacturer    = Yamaha
|parent_company  =
|production      = 80-82
|model_year      =
|predecessor      =
|successor        =
|class            =
|engine          = 250cc
|bore_stroke      =
|compression      =
|top_speed        =
|power            =
|torque          =
|ignition        =
|spark_plug      = {{sparkplug|BP7ES}} '80-82
|battery          = {{battery|12N12A-4A-1}} '80-82
|transmission    =
|frame            =
|suspension      =
|brakes          =
|front_tire      = {{tire|3.00-18}} '80-82
|rear_tire    = {{tire|120/90-16}} '80-82
|rake_trail      =
|wheelbase        =
|length          =
|width            =
|height          =
|seat_height      =
|dry_weight      =
|wet_weight      =
|fuel_capacity    =
|oil_capacity    =
|fuel_consumption =
|turning_radius  =
|related          =
|competition      =
}}
 
The '''Yamaha SR250''' is a [[motorcycle]] produced by [[Yamaha]] from 1980 to 1982.
 
==1982==
[[Image:1982-Yamaha-SR250-Blue-2751-0.jpg|left|thumb|1982 Yamaha SR250 in Blue]]
[[Image:1982-Yamaha-SR250-Blue-2751-1.jpg|left|thumb|1982 Yamaha SR250 in Blue]]
[[Image:1982-Yamaha-SR250-Blue-2751-2.jpg|left|thumb|1982 Yamaha SR250 in Blue]]
[[Image:1982-Yamaha-SR250-Blue-2751-3.jpg|left|thumb|1982 Yamaha SR250 in Blue]]
[[Image:1982-Yamaha-SR250-Blue-2751-4.jpg|left|thumb|1982 Yamaha SR250 in Blue]]
<br style="clear: left"/>
{{Yamaha}}
 
[[Category:Yamaha motorcycles|SR250]]
[[Category:250cc displacement motorcycles|SR250]]
[[Category:1980s motorcycles|SR250]]
 
{{Infobox Motorcycle
|name            = '''Yamaha SR250'''
|image            =
|aka              = 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
|manufacturer    = [[Yamaha]]
|parent_company  =
|parent_company  =
|production      = 1978 - 1983
|production      = 1978 - 1983
Line 66: Line 10:
|predecessor      =
|predecessor      =
|successor        =
|successor        =
|class            = [[Classic]]
|class            = Classic
|engine          = single cylinder, four-stroke
|engine          = single cylinder, four-stroke
|bore_stroke      = 73.5mm x 56.5mm
|bore_stroke      = 73.5mm x 56.5mm
Line 74: Line 18:
|torque          = 14.01 ft/lbs (19.0 Nm) @ 7000RPM
|torque          = 14.01 ft/lbs (19.0 Nm) @ 7000RPM
|ignition        =
|ignition        =
|spark_plug      =
|spark_plug      = {{sparkplug|NGK BP7ES}} '80-82
|battery          = 9.2:1
|battery          = {{battery|YUASA 12N12A-4A-1}} '80-82
|transmission    = Gear box: 5-speed <br>
|transmission    = Gear box: 5-speed <br>
Final Drive: [[chain]] <br>
Final Drive: [[chain]] <br>
Line 96: Line 40:
|fuel_capacity    = 2.64 Gallon (10.00 Liters)
|fuel_capacity    = 2.64 Gallon (10.00 Liters)
|oil_capacity    =
|oil_capacity    =
|oil_filter      = K&N KN-145
|recommended_oil= Yamalube 10w-40
|fuel_consumption =
|fuel_consumption =
|turning_radius  =
|turning_radius  =
|related          =
|related          = [[Yamaha XT250]]
|competition      =
|competition      =
|final_drive= {{chain|520}} `80-82<ref name="wps_street_2019">{{cite book|title=2019 Western Power Sports Catalog|publisher=[https://www.wps-inc.com/catalogs Western Power Sports]|date=2019}}</ref>
}}
}}
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.   


==Engine==
==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).   
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==
==Drive==
Line 112: Line 58:
==Chassis==
==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.   
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==
==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 XT, 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==
<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"/>


==In Media==
==In Media==
Line 147: Line 105:
* [https://motopixel.org/pixel/cuenta-atras#yamaha-sr250 Cuenta Atrás]
* [https://motopixel.org/pixel/cuenta-atras#yamaha-sr250 Cuenta Atrás]
* [https://motopixel.org/pixel/mythbusters#yamaha-sr250 MythBusters]
* [https://motopixel.org/pixel/mythbusters#yamaha-sr250 MythBusters]
==References==
{{reflist}}
{{Yamaha}}
[[Category:Yamaha motorcycles|SR250]]
[[Category:250cc displacement motorcycles|SR250]]
[[Category:1980s motorcycles|SR250]]


[[Category:Classic motorcycles]]
[[Category:Classic motorcycles]]
[[Category:Yamaha motorcycles]]
[[Category:1970s motorcycles]]
[[Category:1970s motorcycles]]
[[Category:1980s motorcycles]]
[[Category:1980s motorcycles]]
[[Category:Motorcycles needing images]]

Latest revision as of 20:11, 23 November 2019

1982-Yamaha-SR250-Blue-2751-0.jpg
Yamaha SR250
Manufacturer
Yamaha
Also called SR250 Custom, Exciter
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)
Horsepower 16.63 HP (12.4 KW) @ 7400RPM
Torque 14.01 ft/lbs (19.0 Nm) @ 7000RPM
Spark Plug NGK BP7ES '80-82
Battery YUASA 12N12A-4A-1 '80-82
Transmission Gear box: 5-speed

Final Drive: chain

Clutch: Wet multi-plate
Final Drive Chain: 520 `80-82[1]
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 135.0 kg (wet)
Oil Filter K&N KN-145
Recommended Oil Yamalube 10w-40
Fuel Capacity 2.64 Gallon (10.00 Liters)
Related Yamaha XT250
Manuals Service Manual

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[edit | edit source]

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[edit | edit source]

The bike has a 5-speed transmission. Power was moderated via the Wet multi-plate.

Chassis[edit | edit source]

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[edit | edit source]

  • 1978 - 1982 Yamaha SR 250

  • 1978 - 1982 Yamaha SR 250

  • 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[edit | edit source]

  • 1982 Yamaha SR250 in Blue

  • 1982 Yamaha SR250 in Blue

  • 1982 Yamaha SR250 in Blue

  • 1982 Yamaha SR250 in Blue

  • 1982 Yamaha SR250 in Blue


In Media[edit | edit source]

References[edit | edit source]

  1. ↑ 2019 Western Power Sports Catalog. Western Power Sports. 2019. 
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