Yamaha TZR 250 (1986)

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The Yamaha TZR 250 is a motorcycle produced in 1986, featuring a two-stroke parallel-twin engine with a capacity of 249 cc. It has a liquid cooling system, an ignition CDI, and a kick start. The bike has a max power of 50 hp at 10000 rpm and a torque of 35.5 Nm at 9750 rpm. Its transmission has six speeds, its final drive is a chain, and its braking system consists of a single 320mm disc in the front and a single 210mm disc in the rear. The front and rear suspensions allow for comfortable travel, with the front telescopic fork adjustable for preload and a rear coil and gas spring that has nine different positions for preload. Both the front and rear tyres are able to offer good stability, with the front at 100/80-17 and the rear at 120/80-17. The bike is easy to maneuver, with dimensions of length, width, and wheelbase at 2005mm, 660mm, and 1375mm, respectively. Its seat height is at 760mm, and it has a dry weight of 128 kg and a wet weight of 140 kg. The maximum fuel capacity is 16 liters.

Technical specifications:

Make Model: Yamaha TZR 250

Year: 1986


Engine: Two stroke, parallel twin cylinders, read valve,
Capacity: 249 cc / 15.2 cu-in
Bore x Stroke: 56.4 x 50 mm
Cooling System: Liquid cooled
Compression Ratio: 5.9:1
Induction: 2x Mikuni TM28SS carburetor
Ignition: CDI
Starting: Kick
Max Power: 50 hp / 36.4 kW @ 10000 rpm
Max Torque: 35.5 Nm / 26.2 lb-ft @ 9750 rpm
Transmission: 6 speed
Final Drive: Chain
Front Suspension: Telescopic fork adjustable preload
Front Wheel Travel: 140 mm / 5.5 in
Rear Suspension: Coil and gas spring preload 9-way preload position

Rear Wheel Travel: 100 m / 3.9 in
Front Brakes: Single 320mm discs 2 piston calipers
Rear Brakes: Single 210mm disc 1 piston caliper
Front Tyre: 100/80-17
Rear Tyre: 120/80-17
Dimensions: Length 2005 mm / 78.9 in Width 660 mm / 25.9 in
Wheelbase: 1375 mm / 54.1 in
Seat Height: 760 mm / 29.9in
Dry Weight: 128 kg / 282.1 lbs
Wet Weight: 140 kg / 308.6 lbs
Fuel Capacity: 16 liters / 4.2 US gal

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