The 1989 Yamaha TZR250 is a two-stroke motorcycle with a parallel twin-cylinder engine and a 249 cc capacity. It has a liquid-cooled cooling system and a compression ratio of 5.9:1. The bike has a maximum power of 50 hp and a maximum torque of 35.5 Nm. It has a six-speed transmission and a chain final drive. The front suspension is a telescopic fork with adjustable preload, while the rear suspension is a coil and gas spring with nine-way preload positions. The brakes consist of single discs and piston calipers, with the front being 320mm and the rear being 210mm. The front and rear tires are 100/80-17 and 120/80-17, respectively. The bike has a length of 2005 mm, a width of 660 mm, and a wheelbase of 1375 mm. The dry weight is 128 kg and the wet weight is 140 kg, with a fuel capacity of 16 litres. The Yamaha TZR250 was tested against the Suzuki RGV250 and Kawasaki KR1 Bike.
Technical specifications:
Make Model: Yamaha TZR 250
| Year | 1989 |
|---|---|
| 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 Litres / 4.2 US gal |
| Road Test | Suzuki RGV250 Yamaha TZR250 Kawasaki KR1 Bike |
