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Yamaha TZR250 1987

The Yamaha TZR250 is a sport bike produced by Yamaha Motor Company from 1986 to 1999. It was powered by a 249 cc (15.2 cu in) two-stroke parallel-twin engine and had a top speed of 170 km/h (106 mph). The TZR250 was a popular racing motorcycle, and it won the 250 cc class of the Grand Prix motorcycle racing world championship in 1987 and 1988.

Engine

The TZR250's engine was a 249 cc (15.2 cu in) two-stroke parallel-twin. It had a bore of 56 mm (2.2 in) and a stroke of 50 mm (2.0 in). The engine was liquid-cooled and had a compression ratio of 11.5:1. It produced 45 hp (34 kW) at 10,500 rpm and 22 ft·lb (30 N·m) of torque at 9,500 rpm.

Transmission

The TZR250's transmission was a six-speed constant-mesh gearbox. It had a wet, multi-plate clutch and a chain final drive.

Suspension

The TZR250's front suspension was a 35 mm (1.4 in) telescopic fork. The rear suspension was a monoshock with a rising-rate linkage.

Brakes

The TZR250's front brakes were dual 282 mm (11.1 in) discs. The rear brake was a single 220 mm (8.7 in) disc.

Dimensions

The TZR250's dimensions were 1,980 mm (78.0 in) long, 690 mm (27.2 in) wide, and 1,120 mm (44.1 in) high. It had a wheelbase of 1,340 mm (52.8 in) and a ground clearance of 130 mm (5.1 in). The TZR250's curb weight was 130 kg (287 lb).

Performance

The TZR250's performance was impressive for its time. It could accelerate from 0 to 100 km/h (0 to 62 mph) in 4.5 seconds and had a top speed of 170 km/h (106 mph). The TZR250 was also a good handling motorcycle, and it was a popular choice for both street and track riding.

Conclusion

The Yamaha TZR250 1987 was a groundbreaking motorcycle that set new standards for performance and handling. It was a popular choice for both street and track riding, and it remains a sought-after classic motorcycle today.