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Trimmer

Stihl FS 111 R

4-Mix · Also known as: FS 111

The Stihl FS 111 R is a 36.3cc <!-- verify: stihlusa.com --> 4-Mix professional trimmer with updated ergonomics and efficiency improvements relative to the FS 110. Like all 4-Mix models, it runs standard 50:1 premix on a 4-stroke valve train. The FS 111 R variant features a bike-handle configuration preferred by production landscaping crews for extended-shift ergonomics. Valve clearance inspection, gearhead lubrication, and fuel system service are the maintenance tasks in addition to standard spark plug and air filter replacement.

Stihl FS 111 R quick specs

Equipment
Trimmer · 4-Mix
Covered Parts
Spark Plug, Air Filter, Fuel Filter, Carburetor, Primer Bulb, Fuel Line Kit, Trimmer Head, Trimmer Line
OEM References
7
Model Family
FS 90 R, FS 100, FS 110, FS 111 R, FS 130 R, FS 131 R
See also: FS 90 R, FS 100, FS 110, FS 130 R, FS 131 R — parts are often interchangeable within this family.

Spark Plug

OEM0000 400 7011(0.7mm gap)10mm thread (CMR6H) — do not substitute BPMR7A (14mm thread)

Air Filter

OEM4180 141 0300Also fits FS 89, FS 91, FS 131
BrandPart #

Fuel Filter

OEM0000 350 3521In-tank pickup filter
BrandPart #

Carburetor

OEM4180 120 0618Zama C1Q-S174; 4-Mix IntelliCarb compensating carb

Primer Bulb

OEM4226 121 2700

Fuel Line Kit

OEM4180 350 1402Includes fuel pickup line and return line; replaces 4180 358 7700

Trimmer Head

OEM4002 710 2193AutoCut C 26-2; bump-feed
BrandPart #
Oregon55-266Buy on Amazon →

Trimmer Line

OEM(.095" diameter, round)