The RM Z250 features a compact, lightweight and powerful 250cc 4 stroke engine design, a strong and lightweight aluminum chassis, Showa suspension components and many high performance features for the ultimate 250cc 4-stroke racing machine. The RM Z250 engine is based around an over-square bore x stroke design, with liquid cooling, titanium valves and double overhead billet cams. The engine is housed by a lightweight, twin-spar aluminum-alloy frame combining aluminum forgings, extrusions and stampings welded into a single unit. The whole package is supported by a Showa inverted, twin chamber, cartridge fork and Showa remote reservoir rear shock.