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STIHL MS 500i Professional Fuel-Injected Chainsaw
The STIHL MS 500i is a professional-grade gas chainsaw built for forestry crews, tree service professionals, loggers, land clearing, felling, bucking, and heavy-duty cutting. Known as the first chainsaw on the worldwide market with electronically controlled fuel injection, the MS 500i delivers fast acceleration, strong cutting performance, and an outstanding power-to-weight ratio.
Designed for professionals who need serious performance, the STIHL MS 500i combines a 79.2 cc engine, 6.7 bhp, and a listed 13.9 lb powerhead weight. This saw is built to handle demanding cutting jobs while helping reduce operator fatigue during long workdays.
Available bar size options from P&P Small Engines include 25", 28", 28" Light Bar, 32" Light Bar, and 36" Light Bar. Choose the bar setup that best fits your cutting needs, wood size, and professional application.
Note: Not available for purchase or delivery in California.
Available Bar Size Options
- 25" Bar
- 28" Bar
- 28" Light Bar
- 32" Light Bar
- 36" Light Bar
Compatible guide bar ranges for the MS 500i are commonly listed from 16" to 36". The actual listed guide bar length can vary from the effective cutting length depending on the powerhead and bar combination. Always verify your selected bar and chain setup before ordering.
Why Choose the STIHL MS 500i?
The STIHL MS 500i is made for professionals who need fast throttle response and high-output cutting performance. Its electronically controlled fuel injection system helps deliver rapid acceleration and consistent fuel metering without a traditional carburetor adjustment setup.
This saw is an excellent option for users cutting large timber, hardwood, storm-damaged trees, firewood, and professional forestry material. Whether you are felling, bucking, or delimbing, the MS 500i is built for speed, strength, and reliability.
STIHL MS 500i Specifications
| Brand | STIHL |
|---|---|
| Model | MS 500i |
| Product Type | Professional Gas Chainsaw |
| Power Source | Gas |
| Displacement | 79.2 cc |
| Engine Power | 6.7 bhp |
| Powerhead Weight | 13.9 lbs. |
| Fuel Capacity | 26.5 oz. |
| Chain Oil Capacity | 11 oz. |
| OILOMATIC® Chain | 3/8" RS3 |
| Available Bar Options | 25", 28", 28" Light Bar, 32" Light Bar, 36" Light Bar |
| Compatible Guide Bar Range | 16" to 36" |
| Intended Use | Professional forestry, tree service, felling, bucking, and delimbing |
Bar Size Guide
25" Bar
A strong all-around professional setup for felling, bucking, firewood cutting, and general large-tree work. The 25" bar helps keep the MS 500i more manageable while still offering serious cutting capacity.
28" Bar
A popular professional choice for larger timber and production cutting. The 28" setup gives extra reach and cut capacity while keeping the saw practical for daily use.
28" Light Bar
The 28" Light Bar option gives the cut capacity of a 28" bar with reduced bar weight for improved balance and less fatigue during long cutting sessions.
32" Light Bar
A good choice for larger trees and professional cutting where added reach is needed. The light bar helps reduce front-end weight compared to a standard long bar.
36" Light Bar
Best for large-diameter wood, professional felling, and heavy-duty cutting where maximum reach and cutting capacity are required.
Key Features
- Electronically Controlled Fuel Injection: Helps deliver fast acceleration and consistent performance.
- High Power-to-Weight Ratio: Strong cutting power with reduced operator fatigue.
- Quick Acceleration: Helps improve cutting speed and productivity.
- Sensor-Controlled Fuel Metering: Delivers the proper amount of fuel for operating conditions.
- HD2 Air Filter: Washable air filter designed for long service life and dusty conditions.
- Side-Access Chain Tensioner: Makes chain adjustment more convenient.
- High Output Adjustable Oiler: Provides additional lubrication for longer bars or dry cutting conditions.
- STIHL Quickstop® Chain Brake: Designed to stop the chain in certain kickback situations.
- Anti-Vibration System: Helps improve operator comfort during extended use.
- Toolless Fuel and Oil Caps: Makes refueling and bar oil service quicker and easier.
- Captive Bar Nuts: Helps prevent losing nuts during chain and bar maintenance.
- Translucent Fuel Tank: Allows quick fuel level checks.
Ideal Uses
- Professional forestry work
- Tree service and removal
- Felling large trees
- Bucking logs
- Delimbing
- Storm cleanup
- Land clearing
- Firewood production
- Large hardwood cutting
- Commercial chainsaw applications
Recommended For Professionals
The STIHL MS 500i is not a basic homeowner saw. It is designed for experienced operators and professional users who need a powerful, fast-cutting chainsaw for demanding jobs. Its fuel-injected design, rapid acceleration, and power-to-weight ratio make it a top choice for serious cutting work.
For best results, always use the correct STIHL bar, STIHL OILOMATIC® saw chain, STIHL 2-cycle oil, and STIHL bar and chain oil.
Part Number / Search Terms
This product may also be searched as:
- STIHL MS 500i
- STIHL MS500i
- MS 500i chainsaw
- MS500i chainsaw
- STIHL fuel injected chainsaw
- STIHL professional chainsaw
- STIHL forestry chainsaw
- STIHL logging chainsaw
- STIHL 79.2cc chainsaw
- STIHL 6.7 bhp chainsaw
- STIHL MS 500i 25 inch
- STIHL MS 500i 28 inch
- STIHL MS 500i 28 Light Bar
- STIHL MS 500i 32 Light Bar
- STIHL MS 500i 36 Light Bar
- professional logging chainsaw
- forestry chainsaw
- tree service chainsaw
Frequently Asked Questions
Is the STIHL MS 500i a professional chainsaw?
Yes. The STIHL MS 500i is designed for professional forestry personnel, tree service crews, and experienced chainsaw operators.
What makes the MS 500i different?
The MS 500i features electronically controlled fuel injection, giving it rapid acceleration and strong cutting response compared to traditional carbureted saws.
What bar sizes are available?
Available options include 25", 28", 28" Light Bar, 32" Light Bar, and 36" Light Bar.
What is the compatible guide bar range?
The MS 500i is commonly listed with compatible guide bar ranges from 16" to 36".
What chain does the MS 500i use?
The listed OILOMATIC® chain specification is 3/8" RS3. Always match the correct chain to your selected bar length and gauge.
How much power does the STIHL MS 500i have?
The MS 500i is listed at 6.7 bhp with a 79.2 cc engine.
How much does the MS 500i powerhead weigh?
The listed powerhead weight is 13.9 lbs.
Is the STIHL MS 500i available in California?
No. This product is not available for purchase or delivery in California.
What is the best bar size for the MS 500i?
For general professional cutting, many users choose 25" or 28". For larger timber, 32" or 36" Light Bar options provide additional reach and cutting capacity.
Should I verify bar and chain fitment before ordering?
Yes. Always verify your bar length, chain pitch, gauge, drive link count, and intended cutting application before ordering.
P&P Small Engines stocks genuine STIHL chainsaws, bars, chains, oils, accessories, and maintenance parts to help professionals and homeowners get the right equipment for the job.
Note: Not available for purchase or delivery in California
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