Yamaha 250 V4

Yamaha 250 V4 ^{[1] [2]}

Manufacturer	Yamaha
Production	1967–1968
Class	250 cc
Engine	246.3 cc (15.03 cu in) 2-stroke, liquid-cooled, 70° V4
Bore / stroke	44 mm × 40.5 mm (1.73 in × 1.59 in)
Top speed	144 mph (232 km/h)
Power	> 73 hp (54 kW) @ 14000 rpm
Transmission	8-speed, chain final drive [3]
Suspension	Telescopic forks (front); swing arm with twin spring/shock absorbers (rear)
Brakes	Twin leading-shoe drum (front & rear)

Yamaha 250 V4 (RD05A) is an air-cooled road racing motorcycle made by Yamaha, produced between 1967 and 1968, and competed until 1972. ^{[4] [5] [6]}

References

1. "1968 RD05A - Communication Plaza | Yamaha Motor Co., Ltd". global.yamaha-motor.com.
2. "Yamaha - 250 RD 06 A" . Retrieved 12 November 2022.
3. West, Phil. "10 most extreme 1960/70s race bikes". Bennetts UK.
4. "1969 - Racing Information | Yamaha Motor Co., Ltd". global.yamaha-motor.com.
5. "RD05A - Racing Information | Yamaha Motor Co., Ltd". global.yamaha-motor.com.
6. "Our Racing Heritage - 1960 - Yamaha Motor Europe". www.yamaha-motor.eu.