It appears you're interested in specifications for the Yamaha WR 250Z. This Enduro / offroad model is powered by a Single cylinder, two-stroke engine with 250.00 ccm (15.26 cubic inches) of actual displacement before 10.9:1 compression. Fueling is metered via Carburettor. Mikuni VM38SS allowing this machine to produce its horsepower and 45.96 Nm (4.7 kgf-m or 33.9 ft.lbs) torque. According to our records engine heat of the Yamaha WR 250Z is moderated by Liquid. 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 80/100-21 and the rear is 110/100-18 . The entire package is supported by the frame, CrMo streel. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc. 2-piston caliper front brakes and Single disc rear brakes. The Yamaha WR 250Z was launched in 1997, 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.

Last year Yamaha made this WR in a two-stroke