Yamaha SRX250

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Yamaha SRX250
Also called SRX 250
Production 1984 - 1987
Class Sport touring
single cylinder, four-stroke
Bore / Stroke 73.0mm x 59.0mm
Compression ratio 10.0:1
Top Speed 85 mph (136 km/h)
Horsepower 16.63 HP (12.4 KW) @ 9000RPM
Spark Plug NGK D8EA '87
Battery YUASA 12N12A-4A-1 '87
Transmission Gear box: 6-speed
Final Drive: belt
Final Drive Chain: 520x106
Front Sprocket 14T
Rear Sprocket 43T
Brakes Front: single disc
Rear: expanding brake (drum brake)
Front Tire 90/90-16
Rear Tire 100/90-18
Seat Height 30.71 inches (780 mm)
Weight 137.0 kg (wet)
Oil Filter K&N KN-145
Recommended Oil Yamalube 10w-40
Related Yamaha SRX250
Yamaha SRX400
Yamaha SRX600
Manuals Service Manual

The Yamaha SRX250 was a single cylinder, four-stroke Sport touring motorcycle produced by Yamaha between 1984 and 1987. It could reach a top speed of 85 mph (136 km/h). Claimed horsepower was 16.63 HP (12.4 KW) @ 9000 RPM.

Engine[edit | edit source]

The engine was a air cooled single cylinder, four-stroke. A 73.0mm bore x 59.0mm stroke result in a displacement of just 250.0 cubic centimeters. Fuel was supplied via a double overhead cams/twin cam (dohc).

Drive[edit | edit source]

The bike has a 6-speed transmission.

Chassis[edit | edit source]

It came with a 90/90-16 front tire and a 100/90-18 rear tire. Stopping was achieved via single disc in the front and a expanding brake (drum brake) in the rear.

1984 - 1990 Yamaha SRX 250[edit | edit source]

Introduced to the world in 1984, the SRX 250 had an air cooled, four stroke, single cylinder, DOHC, 249cc engine.

1987[edit | edit source]

In Media[edit | edit source]

References[edit | edit source]