- Some stock photographs may show options that are not included. Please check product description.
25-Inch Gas Chain Saw
- Mfg.#
- MS 500I 25
- Sku#
- 3649621
- The first STIHL chainsaw with electronically controlled fuel injection, the MS 500i provides consistent power under changing conditions.
- Sensor-Controlled Fuel Metering - Sensor-controlled fuel metering delivers the right amount of fuel.
- Quick Acceleration - Quick acceleration helps deliver excellent cutting performance.
- New Generation MDG 1 Diagnostic Software - This product's diagnostic software allows dealers to quickly identify what service might be needed.
- Quarter Turn Lock on the Air Filter Shroud - The quarter-turn shroud lock provides quick access, so users can quickly and efficiently service the chain saw with minimal down time on the job.
* Estimated stock levels as of Mon, May 11, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.
Description
Designed and built exclusively for forestry personnel and tree service professionals, the 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 MS 500i is another great addition to the long line of legendary STIHL chainsaws.
Not for sale in California.
Specifications
General
| Blade | 25 in. |
|---|---|
| Chain Gauge | .063 in |
| Chain Oil Capacity | 11 oz. |
| Chain Pitch | 3/8 in RS3 |
| Displacement | 79.2 cc |
| Engine | 6.7 bhp |
| Fuel Capacity | 26.5 oz. |
| Power Source | Gas |
| Powerhead Weight | 13.9 lbs. |
| Type | Gas Chain Saw |
Manufacturing Details
The following information is subject to change without notice
| Manufacturer Warranty | 1 Year |
|---|---|
| Prop 65 Warning |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
|
| Shop USA | Yes |
Label Information
| Precautionary Statement | CAUTION: The occurrence called “kickback” can cause serious or fatal injury. Always read the instruction manual carefully before using your saw. STIHL uses a green and yellow color-coding system to help you select a powerhead, bar and chain combination that complies with the kickback requirements of ANSI Standard B175.1 (gasoline-powered saws) and §30 of UL 1662/ ANSI Standard B175.1 (electric chainsaws). Ask your STIHL dealer about safe operating procedures and the advantages of the STIHL Quickstop® chain brake, STIHL Quickstop® Plus additional chain braking feature, STIHL reduced kickback bars and STIHL low-kickback saw chains. STIHL recommends the use of green reduced kickback bars and green low kickback chains on all STIHL chainsaws. |
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Related Documents
Brochure (PDF)
Warranty (PDF)
