2013 Suzuki DRZ400SM, 2013 Suzuki® DR-Z400SM The Suzuki DR-Z400SM is a street legal bike for serious dirt bike enthusiasts. It's not uncommon to take the SuperMoto down a twisty forest trail as well as a tight canyon corners. Its 398cc liquid-cooled, four-stroke engine provides strong low-rpm torque and crisp throttle response for any of these occasions. They key difference from the DR-Z400SM and the DR-Z400S is the inverted forks. Inverted front forks contribute to less unsprung weight and improved overall handling. Features May Include Suzuki's Supermotard model based on DR-Z400S - combines Supermotard style and features in a narrow, lightweight street-legal package Engine Compact 4-valve cylinder head with 36mm intake valves, 29mm exhaust valves, narrow 28-degree included valve angle and shim-under-bucket valve adjustment system. Lightweight 398cc, DOHC, liquid-cooled, dry-sump engine produces strong, tractable low-rpm power. Electric start with lightweight starter motor and a compact 6.5 amp maintenance-free battery.Transmission Additional weight savings with magnesium valve cover, clutch cover, and magneto cover. Compact 5-speed transmission utilizes a cable-operated clutch with separate outer cover for simplified clutch maintenance. Chassis A fully adjustable rear shock absorber with high/low speed compression damping adjuster and aluminum swingarm for precise rear wheel control. Chrome-moly steel frame tuned for Supermoto style riding is torsionally strong with minimal weight. The backbone tube, front down tube, and steering head gussets form the dry sump engine oil tank. Long travel, Showa-brand inverted front fork derived from RM250 - features adjustable compression/rebound damping and alumite coating on inner tube surfaces for smooth action. Strong braking performance supplied by a front disc brake with a large 300mm floating-type rotor and dual-piston caliper, plus 240mm rear disc brake with single-piston caliper.
