Yamaha 250 V4 Explained

Yamaha 250 V4^[1] ^[2]
Manufacturer:	Yamaha
Production:	1967–1968
Class:	250 cc
Engine:	246.3cc 2-stroke, liquid-cooled, 70° V4
Bore Stroke:	44mm40.5mm
Top Speed:	144NaN
Power:	> 730NaN0 @ 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]}

Notes and References

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