Yamaha RD250 (1975)

The Yamaha RD250 motorcycle was first introduced in 1975 and had a two-stroke engine with a parallel twin configuration and a capacity of 247cc. The engine was cooled by air and had a compression ratio of 6.7:1 with an autolube lubrication system. The bike had two Mikuni VM28 SC carburetors for induction and used battery and coil with breaker points for ignition. It had a maximum power of 30 horsepower at 7500 rpm and a maximum torque of 21 lb-ft at 7000 rpm. The clutch was a wet multi-plate type and the bike had a six-speed transmission with a chain final drive. The gear ratios were 1st 19.67/2nd 13.6/3rd 10.08/4th 7.59/5th 6.79/6th 6.01.

The Yamaha RD250 had telescopic forks for its front suspension and dual shocks for the rear suspension. The front brakes were a single disc type and the rear brakes were drum brakes. The bike had a 3.00S-18-4PR front tire and a 3.50S-18-4PR rear tire. The bike’s dimensions were 2030mm in length, 830mm in width, and 1085mm in height, with a wheelbase of 1325mm and a ground clearance of 150mm. The dry weight of the bike was 152kg and it had a fuel capacity of 16.5 liters. Overall, the Yamaha RD250 was a popular motorcycle known for its power and reliability.

Technical specifications:

Make Model: Yamaha RD 250