It appears you're interested in specifications for the Rieju 50 Spike Racing Castrol Pro. This Super motard model is powered by a Single cylinder, two-stroke engine with 50.00 ccm (3.05 cubic inches) of actual displacement before 12.0:1 compression. Fueling is metered via Carburettor. Dell´ortho HSA allowing this machine to produce its 9.50 HP (6.9 kW) horsepower and torque. According to our records engine heat of the Rieju 50 Spike Racing Castrol Pro is moderated by Liquid. You'll need to get familiar with the 6-speed transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is 100/80-17 and the rear is 130/70-17 . The entire package is supported by the frame, Perimetral chassis (double beam).. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc. Two piston calipers front brakes and Single disc rear brakes. The Rieju 50 Spike Racing Castrol Pro was launched in 2005, 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.