The Yamaha TZR 250R is a two-stroke motorcycle with a 90-degree V-twin cylinder engine and a liquid cooling system. It has a capacity of 249.7 cc and a compression ratio of 7.5:1. The ignition is microcomputer controlled and the motorcycle has a kick-start system. The maximum power output is 45 hp at 9500 rpm, and the maximum torque is 3.8 kgf-m at 8000 rpm. The transmission is a six-speed manual and the final drive is a chain. The front suspension features 39mm upside-down forks, while the rear suspension has a monocross linkage. The motorcycle has front and rear disc brakes with 4 piston and 2 piston calipers, respectively. The front and rear tires are 110/70 Z17 and 150/60 Z17, respectively. The bike has a length of 1960 mm, a width of 680 mm and a height of 1075 mm, with a wheelbase of 1340 mm and a seat height of 780 mm. The dry weight of the motorcycle is 126 kg, and the fuel capacity is 15 liters. The top speed of the Yamaha TZR 250R is 180.2 km/h or 112 mph. This motorcycle was reviewed by Motosprint and Performance Bike in 1991.
Technical specifications:
Make Model: Yamaha TZR 250R
| Year | 1993 |
|---|---|
| Engine | Two stroke, 90 degrees V-Twin cylinder, read valve induction |
| Capacity | 249.7 cc / 15.2 cu-in |
| Bore x Stroke | 56 x 50.7 mm |
| Cooling System | Liquid cooled |
| Compression Ratio | 7.5:1 |
| Induction | 2x Mikuni flatside carburetor |
| Ignition | Microcomputer controlled |
| Starting | Kick |
| Max Power | 45 hp / 33.6 kW @ 9500 rpm |
| Max Torque | 3.8 kgf-m / 40 Nm @ 8000 rpm |
| Transmission | 6 Speed |
| Final Drive | Chain |
| Front Suspension | 39mm Upside-down forks |
| Rear Suspension | Monocross linkage |
| Front Brakes | 2X disc 4 piston calipers |
| Rear Brakes | Single disc 2 piston caliper |
| Front Tyre | 110/70 Z17 |
| Rear Tyre | 150/60 Z17 |
| Dimensions | Length 1960 mm / 77.1in Width 680 mm / 26.7 in Height 1075 mm / 42.3 in |
| Wheelbase | 1340 mm / 52.8 in |
| Seat Height | 780 mm / 30.7 in |
| Dry Weight | 126 kg / 277.8 lbs |
| Fuel Capacity | 15 Litres / 4.0 gal |
| Top Speed | 180.2 km/h / 112 mph |
| Road Test | Motosprint 1991 Performance Bike 1991 |
