The Yamaha YR-1 is a vintage motorcycle from 1967 which features a two stroke, parallel twin engine with a capacity of 347 cc. It has a compression ratio of 7.5:1 and is cooled by air. The bike is started with a kick and can reach a maximum power of 36.5 hp / 27.2 kW at 7500 rpm, with a maximum torque of 3.3 kg-m / 23.9 ft-lb at 7000 rpm. It has a 5-speed transmission and a chain final drive. The bike has drum brakes on both the front and rear wheels, and has a front suspension and a rear suspension. The dimensions of the bike are 2060mm in length, 735mm in width and 1000mm in height. It has a wheelbase of 1335mm and a ground clearance of 145mm. The bike weighs 157kg and has a fuel capacity of 15 litres/4.0 gallons.
Make Model: Yamaha YR-1
Year: 1967
Engine: Two stroke, parallel twin
Capacity: 347 cc / 21.1 cu-in
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