Difference between revisions of "Yamaha SR250"

**Yamaha SR250**
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
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Revision as of 15:32, 4 June 2019

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

1982 Yamaha SR250 in Blue

In Media

@@ Line 1: / Line 1: @@
 {{DISPLAYTITLE:{{PAGENAME}}: review, history, specs}}
-{{Infobox Motorcycle
-|name             = Yamaha SR250
-|image            =
-|aka              =
-|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
+|aka              = SR250 Custom
 |manufacturer     = [[Yamaha]]
 |parent_company   =
@@ Line 75: / Line 21: @@
 |torque           = 14.01 ft/lbs (19.0 Nm) @ 7000RPM
 |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>
 Final Drive: [[chain]] <br>
@@ Line 99: / Line 45: @@
 |fuel_consumption =
 |turning_radius   =
-|related          =
+|related          = [[Yamaha XT250]]
 |competition      =
 }}
@@ Line 106: / Line 52: @@
 ==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==
@@ Line 113: / Line 59: @@
 ==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==
@@ Line 119: / Line 66: @@
 [[File:yamaha-sr250-1978-1982-0.jpg|600px|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.
+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==
+[[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"/>
 ==In Media==
@@ Line 148: / Line 102: @@
 * [https://motopixel.org/pixel/cuenta-atras#yamaha-sr250 Cuenta Atrás]
 * [https://motopixel.org/pixel/mythbusters#yamaha-sr250 MythBusters]
+{{Yamaha}}
+[[Category:Yamaha motorcycles|SR250]]
+[[Category:250cc displacement motorcycles|SR250]]
+[[Category:1980s motorcycles|SR250]]
 [[Category:Classic motorcycles]]
-[[Category:Yamaha motorcycles]]
 [[Category:1970s motorcycles]]
 [[Category:1980s motorcycles]]
-[[Category:Motorcycles needing images]]
-[[Category:Multiple Infoboxes]]