Brand: Stihl · SKU: MS390 · MPN: MS390 · Category: Components
The Stihl MS 390 is a popular petrol chainsaw, often used for firewood cutting or small production work. It features a 64.1cc, 2-stroke engine producing 4.1 hp at 9,500 rpm. The saw includes an anti-vibration handlebar system, inertia-activated chain brake, and a master control with choke, run, and high idle settings. It can accommodate guide bars from 40 cm (16 in.) up to 61 cm (24 in.) with a 3/8 in. pitch chain (0.050 gauge is common). The construction combines die-cast magnesium and injection-molded polymer. It uses a Walbro carburetor (HD-19D or HD-21D) and electronic ignition. It is designed for one-man operation and features an automatic, adjustable oil pump.
| Idle RPM | 2,800 |
|---|---|
| Carburetor | Walbro HD-19D, HD-21D |
| Chain Gauge | 0.050 in. (1.3mm) |
| Chain Pitch | 3/8 in. (9.32 mm) or .325 in. |
| Engine Type | 2-Stroke |
| Fuel Oil Ratio | 50:1 |
| Spark Plug Gap | 0.5 mm (0.020 in.) |
| Fuel Tank Capacity | 560 cc |
| Maximum Engine RPM | 9,500 under load (or 13,000 max per some sources) |
| Engine Displacement | 64.1 ccm (3.91 cu in.) |
| Advertised Horsepower | 4.1 hp at 9,500 rpm |
| Guide Bar Length Supplied | Typically 40 cm (16 in.) up to 61 cm (24 in.) |
| Warranty | Not Available (Model is discontinued, but used listings often mention 'Limited lifetime' warranty for the original purchase context or as-is for used sales). |
| Weight | 5.9 Kg (powerhead only) |
| Dimensions | Not Available |
The Stihl MS 390 is a petrol chainsaw from Stihl, introduced around 2007 and since discontinued, which provides robust performance suitable for demanding cutting tasks like firewood processing. It is known for its powerful 64.1cc engine and user-friendly features like anti-vibration and inertia chain brake. Management, service, and repair information is available through service manuals that often cover the MS 290, 310, and 390 models together.
Yes, this Stihl MS 390 Chainsaw (MS390) is 100% genuine Stihl hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Stihl MS 390 Chainsaw includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the MS390.