These are the known mechanical and performance specifications for your 1975 Yamaha XS 650.
ModelYamaha XS 650
Displacement654.00 ccm (39.91 cubic inches)
Bore/Stroke75.0 x 74.0 mm (3.0 x 2.9 inches)
Horespower50.00 HP (36.5 kW)
Top Speed181.0 km/h (112.5 mph)
Fuel Economy & Polution
Fuel Capacity15.00 litres (3.96 gallons)
Alt. Seat Height
Wet Weight227.0 kg (500.4 pounds)
Wheels & Brakes
Front BrakesDual disc
Front Brake Diameter
Rear BrakesExpanding brake
Rear Brake Diameter
It appears you're interested in specifications for the Yamaha XS 650. This Classic model is powered by a Twin, four-stroke engine with 654.00 ccm (39.91 cubic inches) of actual displacement before 8.4:1 compression. Fueling is metered via allowing this machine to produce its 50.00 HP (36.5 kW) horsepower and torque. According to our records engine heat of the Yamaha XS 650 is moderated by Air. You'll need to get familiar with the 5-speed transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is 3.50-19 and the rear is 4.00-18 . The entire package is supported by the frame, . We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Dual disc front brakes and Expanding brake rear brakes. The Yamaha XS 650 was launched in 1975, and we're happy to know (or assume) you've got one in your garage. To help you keep your ride in tip-top shape, consider purchasing an owner or service manual.