It appears you're interested in specifications for the Yamaha KS 250. This Enduro / offroad model is powered by a Two cylinder boxer, four-stroke engine with 250.00 ccm (15.26 cubic inches) of actual displacement before compression. Fueling is metered via Carburettor allowing this machine to produce its horsepower and torque. According to our records engine heat of the Yamaha KS 250 is moderated by Oil & air. You'll need to get familiar with the transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is and the rear is . 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 front brakes and rear brakes. The Yamaha KS 250 was launched in 1970, 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.

the only place on the bike that says what it is..... is on the exhaust and it claims to be a KS 250¿ and i dont know the year!