Description:

Designed and built exclusively for forestry personnel and tree service professionals, the STIHL® MS 500i is the first-ever chainsaw on the worldwide market with electronically controlled fuel injection. With its excellent power-to-weight ratio, this saw is an impressive piece of equipment for pros looking to take on tree felling, bucking, or delimbing operations. Thanks to its unique fuel injection system, the MS 500i delivers rapid acceleration. Combining innovative technology with world-class engineering and durable construction, the STIHL® MS 500i is another great addition to the long line of legendary STIHL® chainsaws.

Features:

• Sensor-Controlled Fuel Metering
• Electronically delivers the optimal amount of fuel for consistent performance.
• Quick Acceleration
• Ensures outstanding cutting performance, especially during demanding tasks.
• New Generation MDG 1 Diagnostic Software
• Allows STIHL dealers to quickly identify service needs for efficient maintenance.
• Quarter-Turn Lock on the Air Filter Shroud
• Provides fast access for servicing, reducing downtime on the job.
• Simplified Starting Procedure
• Speeds up starts and helps prevent engine flooding.
• HD2 Air Filter
• Washable and long-lasting, this high-performance filter maintains airflow and protects the engine—even in dusty environments.
• High Power-to-Weight Ratio
• Maximizes productivity while reducing user fatigue.
• STIHL ElastoStart™
• Reduces starting effort with a shock-absorbing starter grip that smooths out compression peaks.
• Ematic™ Lubrication System
• When used with STIHL OILOMATIC® chain and Ematic™ guide bars, this system delivers targeted lubrication and can reduce oil consumption by up to 50%.
• STIHL Quickstop® Chain Brake
• An inertia-activated safety feature designed to stop the chain in certain kickback situations, enhancing operator safety.
• Lightweight Sprocket Cover with Captive Bar Nuts
• Streamlined design for easy and secure chain maintenance.
• High Output Adjustable Oiler
• Delivers extra lubrication when needed, ideal for long guide bars or dry conditions.
• Purge Pump Primer
• Simplifies starting by priming the carburetor with fuel—without the risk of over-priming.
• Unique Bumper Spike Design
• Optimized for aggressive cutting and improved control across various tree species.
• Decompression Valve
• Temporarily reduces cylinder pressure during starting, making pull starts easier.
• Translucent Fuel Tank
• Lets you check fuel level at a glance—no need to open the tank.
• Side-Access Chain Tensioner
• Conveniently located for easier, faster chain adjustments.
• Master Control Lever™
• A single lever that combines choke, throttle lock, and on/off switch for simplified operation.
• STIHL Anti-Vibration System
• Minimizes vibration to reduce user fatigue and enhance comfort during extended use.
• Toolless Fuel and Oil Caps with Retainers
• Easy to open and secure without tools, saving time during refueling and oiling.
• Throttle Trigger Lockout
• A built-in safety feature that prevents accidental throttle engagement.

Specifications

• Power Source: Gas
• Powerhead Weight: 13.9 lbs
• Guide Bar Length (Recommended): 25 in
• Oilomatic® Chain: 3/8" RS3
• Chain Oil Capacity: 11 oz
• Engine Power: 6.7 bhp
• Fuel Capacity: 26.5 oz
• Displacement: 79.2 cc

Width	Weight	Height	Length
	13.9 Pounds		0 Inch