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Stihl FS 90 R User Manual

Stihl FS 90 R
120 pages
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STIHL FS 90
Warning!
Read and follow all safety
precautions in Instruction Manual –
improper use can cause serious or
fatal injury.
Advertencia!
Lea y siga todas las precauciones
de seguridad dadas en el manual
de instrucciones – el uso incorrecto
puede causar lesiones graves o
mortales.
Instruction Manual
Manual de instrucciones
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Stihl FS 90 R Specifications

General IconGeneral
Engine Displacement28.4 cc
Engine Type2-stroke
Sound Pressure Level95 dB(A)
Recommended Cutting AttachmentAutoCut 25-2
Shaft TypeStraight
StarterRecoil
Fuel Capacity530 cc (18 oz)
Fuel TypeGasoline
Overall Length1, 800 mm
Engine Power0.95 kW / 1.3 bhp

Summary

Guide to Using this Manual

Pictograms

Explains symbols used on the machine and in the manual.

Symbols in Text

Explains how instructions and procedures are marked.

Engineering Improvements

Notes on product updates and changes.

Safety Precautions and Working Techniques

Proper Clothing

Essential protective apparel for safe operation.

Safe use of a trimmer / brushcutter

Covers operator, tool, and usage for safe operation.

Transporting the Power Tool

Guidelines for safe transportation of the power tool.

Fueling Instructions

Procedures for safely filling the fuel tank.

Before Starting

Checks and preparations before operating the tool.

Starting

Steps for starting the engine safely.

During Operation

How to hold and control the tool during use.

Working Conditions

Optimal conditions for safe and effective operation.

Using the Cutting Attachment

General guidelines for using cutting attachments.

Approved Combinations of Cutting Attachment, Deflector, Handle and Harness

Cutting Attachments

Lists available cutting attachments and their types.

Handles

Lists available handle types for control.

Harnesses

Lists available harness types for support.

Approved Power Tool Attachments

Interchangeable attachment

Lists attachments and their uses.

4-MIX Engine

Fuel

Fueling Instructions

Procedures for safely filling the fuel tank.

Starting / Stopping the Engine

Controls

Identifies main controls on the handlebar and drive tube.

Control handle on handlebar

Details of the control handle on the handlebar.

Positions of slide control

Explains the positions of the slide control.

Operating Instructions

During break-in period

Guidelines for operating a new machine.

Cleaning the Air Filter

Steps to clean the air filter for optimal performance.

Engine Management

How engine parameters are controlled.

Adjusting the Carburetor

Standard Setting

Factory default settings for optimal fuel-air mixture.

Fine Tuning

Adjustments for altitude and conditions.

Spark Plug

Checking the Spark Plug

How to inspect the spark plug condition and gap.

Replacing the Starter Rope and Rewind Spring

Replacing the Starter Rope

Step-by-step guide to replacing the starter rope.

Tensioning the rewind spring

How to properly tension the rewind spring.

Sharpening Metal Cutting Blades

Balancing

Checking and re-balancing cutting attachments after sharpening.

Maintenance and Care

Main Parts

Specifications

Special Accessories

Maintenance and Repairs

STIHL Incorporated Federal Emission Control Warranty Statement

STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement

Trademarks

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