stihl 041 chainsaw manual

The STIHL 041 chainsaw is a professional-grade gasoline-powered chainsaw designed for demanding forestry, logging, and heavy-duty cutting tasks. Known for its durability and power, it features a robust engine, automatic chain oiling, anti-vibration system, and safety features including a chain brake and throttle lockout. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Assembly & Preparation 3. First-Time Operation 4. Specifications 5. Controls and Components 6. Fuel & Lubrication 7. Chain & Bar Maintenance 8. Safety Features 9. Care & Storage 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Engine, Guide Bar, Saw Chain, Chain Brake, Throttle Trigger, Throttle Lockout, Master Control Lever, Fuel Tank, Oil Tank, Anti-Vibration System.

Feature	Description
Engine	Two-stroke gasoline engine with electronic ignition
Guide Bar	Solid or laminated steel bar for chain guidance
Saw Chain	Chisel or semi-chisel chain for cutting
Chain Brake	Front hand guard activates brake to stop chain
Throttle Trigger	Controls engine speed
Throttle Lockout	Prevents accidental throttle engagement
Master Control Lever	Combines choke, start, and run positions
Fuel Tank	Holds gasoline/oil mixture
Oil Tank	Holds chain lubricating oil
Anti-Vibration System	Reduces vibration to operator

Assembly & Preparation

Unpack and inspect contents. Assemble on a clean, stable surface.

Attach Guide Bar and Chain: Place bar on studs, tension chain, tighten nuts.
Fill Fuel Tank: Use STIHL 2-stroke engine oil mixed with unleaded gasoline (50:1 ratio).
Fill Oil Tank: Use STIHL chain oil or equivalent.
Check Chain Tension: Chain should snap back when pulled from bar.

WARNING! Fuel is flammable; fill outdoors away from ignition sources. Wear protective gloves.

First-Time Operation

Start the chainsaw following proper procedure.

Engage Chain Brake: Push front hand guard forward until it clicks.
Set Master Control: Move lever to choke (cold start) or run (warm start).
Prime Fuel: Press fuel pump bulb several times if equipped.
Start Engine: Place on ground, hold handle, pull starter rope briskly.
Disengage Chain Brake: Pull back toward handle before cutting.

CAUTION! Always start on ground with secure footing. Keep bystanders away.

Specifications

Engine Displacement: Approximately 61 cc.
Power Output: High torque for demanding cuts.
Fuel: Gasoline with 2-stroke oil (50:1 mix ratio).
Bar Lengths: Typically 16" to 20" (available options).
Chain Pitch/Gauge: .404" pitch, .063" gauge (common).
Ignition: Electronic, breakerless.
Weight: Approximately 13-15 lbs (powerhead only).
Sound Level: Wear hearing protection required.

Controls and Components

Master Control Lever: Choke, start, run positions. Throttle Trigger: Speed control. Throttle Lockout: Must be pressed to allow throttle. Chain Brake: Stops chain instantly if activated. Decompression Valve: Eases starting (if equipped).

Maintenance Points: Air filter, Spark plug, Fuel filter, Chain tensioner, Clutch, Sprocket.

Fuel & Lubrication

Fuel Mix: 50:1 ratio of unleaded gasoline (min 89 octane) to STIHL 2-stroke oil. Chain Oil: Use proper bar and chain oil for lubrication.

Mix fuel in approved container; shake well.
Fill fuel tank to 80% capacity to allow for expansion.
Check oil tank level before each use; refill as needed.
Clean fuel cap area to prevent contamination.

Tip: Use fresh fuel mix; do not store over 30 days. Drain tank for long storage.

Chain & Bar Maintenance

Regular maintenance ensures optimal cutting and safety.

Chain Sharpening: Use round file and guide; maintain correct angle (typically 30°).
Chain Tension: Adjust when cold; chain should fit snug against bar.
Bar Maintenance: Clean bar groove; flip bar regularly for even wear.
Sprocket Inspection: Replace if worn to prevent chain damage.
Lubrication: Ensure oiler port is clear; adjust oil flow if adjustable.

WARNING! Wear protective gloves when handling chain. Ensure saw is off and cool.

Safety Features

Chain Brake: Stops chain in kickback events. Throttle Lockout: Prevents accidental throttle activation. Right-Hand Guard: Protects from chain breakage. Anti-Vibration: Reduces operator fatigue. Muffler: Deflects exhaust away.

Care & Storage

Clean after each use. Remove debris from air intake, cooling fins, and guide bar. Store in dry place with empty fuel tank (run dry).

CAUTION! Never store with fuel in tank indoors. Use fuel stabilizer if storing short term.

Regulatory Information

EPA/CARB compliant for emissions. Meets ANSI safety standards. Contains parts that may be serviced only by authorized STIHL dealers. Copyright © STIHL Incorporated. For genuine parts and service, visit www.stihlusa.com or contact authorized STIHL dealer.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	Fuel, spark, compression	Check fuel mix, spark plug, air filter; use choke properly.
Engine runs poorly	Clogged filter, carburetor	Clean/replace air and fuel filters; adjust carburetor.
Chain doesn't turn	Brake engaged, clutch, sprocket	Disengage chain brake; check clutch springs and sprocket wear.
Chain throws oil	Oil type, flow rate	Use correct oil; check oiler pump and lines.
Excessive vibration	Loose parts, imbalance	Tighten all bolts; check clutch balance; inspect anti-vibration mounts.

Service: For repairs, contact authorized STIHL dealer. Do not attempt major repairs yourself.

Support: www.stihlusa.com or 1-800-467-8445