The MS 211 uses advanced technology in the form of a powerful low-emission, fuel-efficient engine. But it doesn’t stop there. It also reduces your maintenance with a professionally inspired pre-separation air filtration system (extending air filter life up to five times longer).Features Built in the USA Anti-Vibration System STIHL ElastoStart IntelliCarb Compensating Carburetor Side-Access Chain Tensioner STIHL Quickstop Ematic Lubrication System Master Control Lever Specifications DISPLACEMENT: 35.2 cc (2.15 cu. in.) ENGINE POWER: 1.7 kW (2.3 bhp) POWERHEAD WEIGHT: 4.3 kg (9.5 lbs.) FUEL CAPACITY: 280 cc (9.5 oz.) CHAIN OIL CAPACITY: 180 cc (6.1 oz.) OILOMATIC CHAIN: 3/8" PM3 GUIDE BAR LENGTHS (Recommended ranges): 30 to 45 cm (12" to 18") STIHL ROLLOMATIC POWER SOURCE: Gas Power: Gas Blade Length: 18"