Stihl MS 661 C-M Parts List Manual


Stihl MS 661 C-M parts list for the MS661 C-M chainsaw. View free page images online or download full PDF containing clear images, diagrams, and information. Print or save to any suitable device.
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Stihl MS 661 C-M Parts List

Stihl MS 661 C-M Parts List for the chainsaw. Find Stihl MS661 CM parts and part numbers with this PDF manual. The parts list (IPL) manual has diagrams in exploded view and accurate information in a parts breakdown schematic for the MS 661 chainsaw. View free page images or download a full PDF that you can print or view on all suitable devices.

Stihl MS 661 Parts List diagrams and schematics help with finding spare parts.


Availible in 20″, 25″, 28″, 30″ and 36″ Bar lenghts.

Displacement: 91.1cc

HP: 7.3

Weight kg: 7.4

Saw Chain Pitch: 3/8″

Full Workshop service manual available in PDF English language.

Standard features:

Decompression valve:

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

Combi lever:

As M-Tronic has electronic cold and warm start recognition, only one start position is needed on the combi-lever. The exact amount of fuel is supplied on demand. You do not need to know about the status of your chainsaw and can apply full throttle straight away – even with a cold start. Because the saw is warmed up by optimum acceleration in a few seconds.

STIHL M-Tronic (M):

This fully electronic engine management system adjusts ignition timing and fuel metering in all operating modes. It also takes external conditions such as temperature, altitude and fuel quality into account. It ensures consistent engine performance, constant maximum speed, and superb acceleration. M-Tronic makes manual carburetor adjustments unnecessary. Thanks to electronic cold/warm start recognition, now there is only one start position on the combi-lever. The engine starts after fewer pulls and with no change of position, and can immediately accelerate up to speed – even after a cold start. M-Tronic also remembers the settings from the last time the tool was used. So when external conditions are the same, optimal engine performance is available every time you start up again.

Stihl MS 661 C-M Parts List

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