The MS 311 is a high-tech workhorse with a step up in horsepower and features over the MS 291. With it's improved engine technology, you get higher fuel economy for longer run times. The MS 311 also has larger fuel and oil tanks for even longer extended use. You’ll stay productive – while you’re saving money on fuel. With the MS 311’s fuel-efficient, high-powered engine, you’ll reduce your down time on the job – so you can enjoy your own down time when the job is done.
DISPLACEMENT 59.0 cc (3.6 cu. in.)
ENGINE POWER 3.1 kW (4.2 bhp)
POWERHEAD WEIGHT 6.4 kg (14.1 lbs.)
GUIDE BAR LENGTHS* (Recommended ranges) 40 to 50 cm (16" to 20")
FUEL CAPACITY 600 cc (20.3 oz.)
CHAIN OIL CAPACITY 350 cc (11.8 oz.)
OILOMATIC CHAIN 3/8" RS3
Reduced-Emission Engine Technology - Caring for Nature
The STIHL Inc. “Caring for Nature” seal identifies its powered products that are more environmentally conscious, producing zero or low exhaust emissions. STIHL Inc. defines “low exhaust emissions” as being cleaner than EPA and/or CARB exhaust emission standards.
STIHL has developed a system for minimizing the vibration levels of handheld outdoor power equipment. The STIHL anti-vibration system helps reduce operator fatigue and provides a more comfortable working experience.
Master Control Lever
The Master Control Lever is an easy to use single lever, operating the choke, starting throttle lock and on-off switch. The operator must pull the throttle trigger before moving the Master Control Lever to the choke position.
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