STIHL MS 500i Chainsaw | Professional Fuel Injected Chainsaw

STIHL MS 500i Professional Fuel-Injected Chainsaw

The STIHL MS 500i is a professional fuel-injected chainsaw built for demanding forestry, logging, tree service, land clearing, felling, bucking, and large-timber cutting.

Featuring electronically controlled fuel injection, the MS 500i is designed to deliver rapid acceleration, strong cutting performance, and an exceptional power-to-weight ratio for professional users.

With a 79.2 cc engine, 6.7 bhp, and a listed 13.9 lb powerhead weight, the STIHL MS 500i combines serious cutting power with a relatively lightweight professional platform.

• 25" Bar

• 28" Bar

• 28" Light Bar

• 32" Light Bar

• 36" Light Bar

Choose the bar setup that best matches your timber size, cutting application, and working conditions.

California Notice: Not available for purchase or delivery in California.

STIHL MS 500i Fuel Injection

One of the defining features of the MS 500i is its electronically controlled fuel-injection system.

Instead of relying on a conventional carburetor, the system electronically meters fuel according to operating conditions.

For professional operators, this design is intended to provide:

• Rapid throttle response

• Fast acceleration

• Consistent fuel delivery

• Strong cutting response

• Reduced need for conventional carburetor adjustment

This fuel-injected design is one of the main reasons professionals compare the MS 500i with other high-output forestry chainsaws.

Available STIHL MS 500i Bar Sizes

25" Bar

The 25-inch MS 500i configuration is a strong all-around professional setup for felling, bucking, firewood production, and general large-tree work.

It provides substantial cutting capacity while helping keep the saw manageable for everyday professional use.

28" Bar

The 28-inch MS 500i setup provides additional reach and cutting capacity for larger timber while remaining practical for frequent professional use.

28" Light Bar

The 28-inch Light Bar option provides the cutting capacity of a 28-inch setup with reduced guide-bar weight.

Reducing front-end weight can improve balance and help reduce fatigue during extended cutting sessions.

32" Light Bar

The 32-inch Light Bar setup is designed for larger trees and applications where additional reach and cutting capacity are required.

36" Light Bar

The 36-inch Light Bar configuration provides maximum cutting reach among the bar options offered on this listing.

It is best suited for large-diameter timber, professional felling, and other demanding applications where long-bar capability is required.

STIHL MS 500i Features

Electronically Controlled Fuel Injection

Electronic fuel metering helps provide rapid acceleration and consistent engine response under changing operating conditions.

High Power-to-Weight Ratio

The MS 500i combines a 79.2 cc engine and 6.7 bhp output with a listed 13.9 lb powerhead weight.

Fast Acceleration

Responsive acceleration helps professional operators transition quickly between cuts and maintain productivity.

HD2 Air Filter

The HD2 filter is washable and designed for extended service in demanding and dusty working environments.

High-Output Adjustable Oiler

The adjustable oiling system allows additional chain lubrication when using longer guide bars or working in demanding cutting conditions.

Side-Access Chain Tensioner

The side-access tensioner makes routine chain adjustment more convenient.

STIHL Quickstop® Chain Brake

Designed to stop the chain in certain kickback situations.

Anti-Vibration System

The anti-vibration system is designed to reduce vibration transmitted to the operator during extended use.

Captive Bar Nuts

Captive bar nuts help reduce the risk of losing hardware during bar and chain maintenance.

Toolless Fuel and Oil Caps

Toolless caps make refueling and adding bar oil more convenient.

Translucent Fuel Tank

The translucent tank allows quick visual checks of the remaining fuel level.

Who Is the STIHL MS 500i For?

The MS 500i is designed primarily for experienced and professional users.

It is a strong choice for:

• Professional loggers

• Arborists and tree-service crews

• Forestry professionals

• Land-clearing contractors

• Municipal crews

• Large-property operators

• Experienced users regularly cutting large timber

For occasional light-duty cutting or small-property use, a smaller STIHL chainsaw may be more practical.

STIHL MS 500i Price and Configurations

The STIHL MS 500i price can vary depending on the bar and chain configuration selected.

Longer bars and lightweight professional guide-bar options may affect the final product price.

Select your preferred bar configuration on this page to see the current price and availability.

Available configurations include:

• MS 500i 25"

• MS 500i 28"

• MS 500i 28" Light Bar

• MS 500i 32" Light Bar

• MS 500i 36" Light Bar

Choosing the Right MS 500i Bar Length

Choose your bar length based on the diameter of the wood you regularly cut, your working conditions, and how much reach you need.

A shorter bar generally improves maneuverability and balance.

A longer bar provides additional cutting capacity but adds length and front-end weight.

For many professional applications, 25" and 28" setups provide a versatile balance of reach and handling. The 32" and 36" Light Bar configurations are better suited to larger timber and applications requiring more cutting capacity.

Always match the correct guide bar, chain pitch, gauge, and drive-link count.

STIHL MS 500i Chain and Bar Compatibility

The listed OILOMATIC® chain specification for the MS 500i is 3/8" RS3.

The exact chain loop required depends on the guide bar installed on the saw.

Before replacing a bar or chain, verify:

• Guide bar length

• Chain pitch

• Chain gauge

• Drive-link count

• Guide bar mount

• Intended cutting application

Do not purchase a replacement chain based only on the chainsaw model.

Customers can also contact our parts department for help identifying compatible bars, chains, and service components.

STIHL MS 500i Instruction Manual

Review the before operating the chainsaw.

Review the for purchasing and shipping information.

Shop the STIHL MS 500i

Choose the STIHL MS 500i professional chainsaw when you need fuel-injected performance, rapid acceleration, and serious cutting capability for forestry, logging, tree service, and large-timber work.

Select your preferred bar configuration above to see current price and availability.