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Stihl MS 660 Service Workshop Manual And Repair Guide
Stihl MS 660 Service Workshop Manual for the Repair and service of the Stihl MS660 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 660 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 MS660 chainsaw parts list HERE. A chainsaw search (magnifier icon) at top of this page, as well as a MS 660 chainsaw repair help question and answer page HERE.
Stihl MS 660 Service Workshop Manual Contents
Introduction, Specifications, Troubleshooting Attachments, Clutch, Chain Brake, Engine, Ignition system, Starter, Servicing, Controls, Fuel System, Special Tools.
Stihl MS MS 660 Chainsaw Specifications
Engine Type single-cylinder two-stroke
Engine Capacity 91.6cc, 5.59cu. in
Cylinder Bore 54mm, 2.13in
Piston Stroke 40mm, 1.57in
Ignition Type Electronic (Breakerless) magneto
Spark Plug Type Bosch WSR 6 F or NGK BPMR 7 A
Spark Plug Gap 0.5mm, 0.02in
Carburetor Type All position diaphragm type with built-in fuel pump
Fuel Tank Capacity 0.825 litre
Fuel Mixture 50:1 with Stihl two-stroke air-cooled engine oil
Weight 7.3kg (16.1lb)
Chain Lubrication Type Automatic oil pump
Oil Tank Capacity 0.360 litre
Replace Carb with Walbro Carburetor Models:
WJ-67 (MS660, MS660W and MS660 Magnum) , WJ-69 (MS660 Arctic and MS660 Magnum R) , WJ-76 (MS660 Magnum BR).
With a power-to-weight ratio of 1.4 kg/kW, it features a high engine power (a power output of 5.2 kW) while being relatively lightweight (at 7.3 kg without bar/chain). Other notable aspects of the STIHL MS 660 include the anti-vibration system and a shock absorber called the ElastoStart.
The STIHL MS 660 also boasts a semi-automatic decompression valve that ensures effortless start-up. Its Ematic chain lubrication system guarantees great fuel economy by reducing bar oil consumption up to 50%.