More new engines, this time Max Power has released their new for the 2012, the RP9.0 Racing edition .21 on road motor. This top of the line 3.5cc power plant feature a 14mm lightened and balanced tuned crankshaft, CNC machined piston and a 9 port sleeve. A new for 2012 super light cooling head and aluminium carburetor with oval insert and double low range setting needles completes the package.