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Stihl FS 50 - User Manual

Stihl FS 50
42 pages
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STIH)
STIHL Series 4144 Powerhead
2008-01
FS 40, FS 50, FS 56
FC 56
KM 56

Other manuals for Stihl FS 50

Questions and Answers

  • J
    johnsondouglasAug 8, 2025
    What to do if Stihl Power Tool has no spark due to ignition lead?
    • A
      austincoryAug 8, 2025
      If your Stihl Power Tool has no spark, there may be a break in the ignition lead or damaged insulation. Check the ignition lead and replace the ignition module if necessary.
  • J
    Jeffrey RobinsonAug 16, 2025
    What causes Stihl Power Tool engine to overheat?
    • G
      Gerald WagnerAug 17, 2025
      If your Stihl Power Tool engine is overheating, it might be due to insufficient cylinder cooling, such as blocked air inlets in the rewind starter or very dirty cooling fins on the cylinder. Thoroughly clean all cooling air openings and the cylinder fins.
  • M
    Michael WilliamsAug 25, 2025
    Why Stihl Power Tool engine runs roughly with wrong fuel mixture?
    • A
      Amber WatsonAug 25, 2025
      If your Stihl Power Tool engine runs roughly, misfires, or experiences temporary loss of power, it could be due to an incorrect fuel/oil mixture. Ensure you are using the correct mixture of fuel and oil, avoiding too much oil.
  • Q
    qgonzalezAug 30, 2025
    Why Stihl Power Tool engine runs erratically with worn piston ring?
    • N
      Nicholas MoralesAug 30, 2025
      If your Stihl Power Tool engine does not deliver full power or runs erratically, the piston ring might be worn or broken. Fit a new piston ring to resolve this issue.

Summary

2. Safety Precautions

3. Specifications

3.3 Tightening Torquese

4. Troubleshooting

4.1 Clutch

Troubleshooting guide for clutch issues like stopping under load or running at idle speed.

4.2 Ignition System

Troubleshooting guide for ignition system problems like rough running, misfires, or no spark.

4.3 Engine

Troubleshooting guide for engine issues such as starting difficulties, power loss, or overheating.

5. Clutch

6. Engine

6.1 Leakage Test

Procedure for performing vacuum and pressure tests to detect engine leaks.

7. Ignition System

7.3 Testing the Ignition Module

Procedure for testing the ignition module using specialized testers.

7.6 Ignition System Troubleshooting

Flowchart for troubleshooting ignition system problems, starting from engine not running.

Stihl FS 50 Specifications

General IconGeneral
Engine Displacement27.2 cc
Power Output0.8 kW
Engine Type2-stroke
Shaft TypeStraight
Starter SystemRecoil
Overall Length147 cm
Vibration Level4.5 m/s²

Videos

How to Start: FS 50 C-E | STIHL Tutorial

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