2011 Suzuki DR-Z400SM 2011 Suzuki DR-Z400SM FeaturesKey FeaturesSuzuki’s Supermotard model based on DR-Z400S – combines Supermotard style and features in a narrow, lightweight street-legal package.Engine FeaturesAutomatic decompression system for quick/easy engine startsCompact 4-valve cylinder head with 36mm intake valves, 29mm exhaust valves, narrow 28-degree included valve angle and