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Stihl MS 261 C

Stihl MS 261 C
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STIH)
STIHL MS 261
2010-05

Table of Contents

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Stihl MS 261 C Specifications

General IconGeneral
Displacement50.2 cm³
Powerhead Weight4.9 kg
Sound pressure level103 dB(A)
Sound power level116 dB(A)
Vibration level (left/right)3.5/3.5 m/s²
Bar Length40 cm (16 in.)
Fuel Capacity500 cc
Oil Capacity270 ml (9.1 oz.)
Chain pitch3/8"
Engine Power3.0 kW

Summary

Introduction and Safety Precautions

Safety Precautions

Covers country-specific safety regulations, fuel flammability, high voltage risks, protective gloves, and proper handling.

Troubleshooting

Clutch

Troubleshooting for clutch issues like stopping under load, rotating at idle, and loud noises.

Chain Drive, Chain Brake, Chain Tensioner

Troubleshooting for chain sprocket wear, chain stopping, and brake activation issues.

Chain Lubrication

Troubleshooting for chain receiving no oil, losing oil, or delivering insufficient oil.

Rewind Starter

Troubleshooting for starter rope issues like breaking, not rewinding, or being difficult to pull.

Ignition System

Troubleshooting for engine running rough, misfires, or irregular spark.

Engine

Troubleshooting for engine starting issues, power loss, erratic running, or overheating.

Chain Brake

Checking Operation

Details how to check the chain brake's efficiency and braking time.

Brake Band

Instructions for removing and installing the brake band.

Brake Lever

Instructions for removing and installing the brake lever and its components.

Brake Lever on Machines with QuickStop Super

Specific instructions for brake lever service on models with QuickStop Super.

Adjusting the Brake Cable

Guidance on checking and adjusting the brake cable for proper coasting brake function.

Engine

Leakage Test

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

Ignition System

Ignition System Troubleshooting

Troubleshooting chart for engine not running, checking spark and related components.

Control Levers

Chain Lubrication

Fuel System

Carburetor

Instructions for removing and installing the carburetor.

Heating System

Handle Heating and Generator Troubleshooting Chart

Flowchart for diagnosing issues with handle heating and generator.

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