Yamaha SRX250F

Yamaha SRX250F
Manufacturer	Yamaha
Production	1984 - 86
Engine	Four stroke, single cylinder, DOHC, 4 valves
Compression ratio	10.0:1
Ignition	TCI
Transmission	6 Speed
Suspension	Front: Centre axle 33mm forks Rear: Single shock, adjustable spring preload
Brakes	Front: Single disc 2 piston caliper Rear: Drum
Front Tire	90/90-16
Rear Tire	100/90-18
Seat Height	780 mm / 30.7 in
Weight	123 kg / 371 lbs (dry), 137 kg / 302 lbs (wet)
Recommended Oil	Yamalube 10w-40
Fuel Capacity	9 Liters / 2.3 US gal
Manuals	Service Manual

Engine

The engine was a Air cooled cooled Four stroke, single cylinder, DOHC, 4 valves. The engine featured a 10.0:1 compression ratio.

Chassis

It came with a 90/90-16 front tire and a 100/90-18 rear tire. Stopping was achieved via Single disc 2 piston caliper in the front and a Drum in the rear. The front suspension was a Centre axle 33mm forks while the rear was equipped with a Single shock, adjustable spring preload. The SRX250F was fitted with a 9 Liters / 2.3 US gal fuel tank. The bike weighed just 123 kg / 371 lbs.

Photos

Overview

Yamaha SRX 250F

Make Model	Yamaha SRX 250F
Year	1984 - 86
Engine Type	Four stroke, single cylinder, DOHC, 4 valves
Displacement	249 cc / 15.2 cu-in
Bore X Stroke	73 х 59.6 mm
Cooling System	Air cooled
Compression	10.0:1
Induction	Y22PV Teikei carburetor
Ignition	TCI
Starting	Electric
Max Power	32 hp / 23.8 kW @ 10000 rpm
Max Torque	2.4 kgf-m / 17.3 lb-ft @ 8500 rpm
Transmission	6 Speed
Final Drive	Chain
Front Suspension	Centre axle 33mm forks
Front Wheel Travel	140 mm / 5.9 in
Rear Suspension	Single shock, adjustable spring preload
Rear Wheel Travel	100 mm / 3.9 in
Front Brakes	Single disc 2 piston caliper
Rear Brakes	Drum
Front Tire	90/90-16
Rear Tire	100/90-18
Seat Height	780 mm / 30.7 in
Dry Weight	123 kg / 371 lbs
Wet Weight	137 kg / 302 lbs
Fuel Capacity	9 Liters / 2.3 US gal