Difference between revisions of "Yamaha SR250"

**Yamaha SR250**
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 ; 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)
Manuals	Service Manual
	Tech Specs · Brochures · Reviews · Ads · Videos

Yamaha SR250
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

Revision as of 15:07, 23 May 2019

The Yamaha SR250 is a motorcycle produced by Yamaha from 1980 to 1982.

1982

1982 Yamaha SR250 in Blue

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.

In Media

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