Stihl MS 440 Service Workshop Manual

Stihl MS 440 Service Workshop Manual And Repair

Stihl MS 440 Service Workshop Manual for the Repair and service of the Stihl MS440 (including Magnum) chainsaw. The PDF manual has diagrams and accurate information to troubleshoot and repair the chainsaw. View free page images online or download a full PDF that you can print or view on any suitable device.
The contents of the PDF manuals cover every subject with detailed descriptions of repair and servicing procedures specific to the MS 440 saw including troubleshooting the carburetor, clutch, fuel, and the ignition system. Complete disassembly and assembly of all parts are described in detail.

More comprehensive carburetor Manuals HERE and a MS440 chainsaw parts list HERE. A chainsaw search (magnifier icon) at top of this page, as well as a MS 440 chainsaw repair help question and answer page HERE.

Stihl MS 440 Workshop Manual Contents

Introduction, Specifications, Troubleshooting Attachments, Clutch, Chain Brake, Engine, Ignition system, Starter, Servicing, Controls, Fuel System, Special Tools.

Stihl MS 440 Chainsaw Specifications

Displacement: 70.7 cc (4.3 cu in)
Engine Power: 4 kW (5.4 bhp)
Weight: 6.6 kg (14.8 lbs)
Fuel Capacity: 780 cc (26.4 oz)
Power The peak power output of the MS 440 STIHL Magnum is 5.4HP, 64% more powerful than the average competitor.
Powerhead Weight It weighs 13.9 lbs, 2.7 lbs more than a typical chainsaw.
Minimum Chain Bar Length This model is compatible with bars as short as 16 inches long.
Maximum Chain Bar Length This model is compatible with bars as long as 32 inches long.

Spark plugs: Bosch WSR6F Spark Plug, Champion RCJ6Y Spark Plug, NGK BPMR7A Spark Plug.

Stihl MS 440 Carburetor can be replced with the following Walbro carbs: Walbro Carburetor Models 
HD-15B (MS440, MS440W, MS440C and MS440WVH) HD-17A (MS440 Magnum and MS440 Magnum R)

Decompression valve

The decompression valve is part of the easy start-system. The valve should be pressed before starting to cut the compression pressure when starting, as well as the effort needed to pull the starter rope. The decompression valve is semi-automatic, meaning that it must be pressed manually before starting, but then closes automatically.

All important functions such as start, choke, throttle and stop are operated via a single lever.

Stihl MS 440 Service Workshop Manual Diagrams

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