STIHL Parts Manual Free

This manual provides access to free parts diagrams, exploded views, and component listings for various STIHL power tools including chainsaws, trimmers, blowers, and hedge trimmers. Below are key sections for finding parts, understanding diagrams, ordering information, compatibility, and maintenance.

Finding Your Model

Locate your STIHL model number to access the correct parts manual.

Location	Description
Nameplate/Decal	On housing, near handle or muffler
Engine Housing	Stamped or printed on crankcase
User Manual	Listed on front cover or specifications page
Purchase Receipt	Model number on original sales document
Examples	MS 170, FS 56, BR 600, HS 82

Parts Diagrams & Exploded Views

Exploded diagrams show all components in assembly order.

1. Cylinder & Piston Group: Cylinder, piston, rings, wrist pin.
2. Crankcase Assembly: Crankshaft, bearings, seals.
3. Fuel System: Carburetor, fuel lines, filter, tank.
4. Ignition System: Spark plug, coil, stop switch.
5. Cutting/Drive System: Chain, bar, sprocket, clutch.

NOTE: Diagrams are model-specific; verify model before use.

Part Number Lookup

Each component has a unique STIHL part number.

1. Locate part on diagram: Identify item number.
2. Cross-reference list: Match number to part number.
3. Verify description: Ensure correct application.
4. Check variations: Some parts differ by serial number range.

CAUTION! Using incorrect parts may cause damage or void warranty.

Common STIHL Parts Categories

• Engine Components: Pistons, cylinders, carburetors, mufflers.
• Cutting Attachments: Chains, guide bars, trimmer heads, blades.
• Ignition Parts: Spark plugs, ignition modules, coils.
• Fuel System: Fuel filters, lines, tanks, caps.
• Air Filtration: Air filters, covers, pre-filters.
• Drive & Transmission: Clutches, sprockets, drive shafts.
• Handles & Controls: Throttle triggers, handles, switches.
• Fasteners & Hardware: Screws, nuts, washers, clips.

How to Read a Parts Diagram

Diagrams use callout numbers linked to parts list.

Key: Item number (1,2,3...), Part Number (e.g., 1140 007 1000), Description, Quantity.

Assembly Order: Shows how components fit together. Sub-assemblies: Grouped sections (e.g., starter assembly). Notes: Indicates lubricant points, torque specs, or warnings. Revision Marks: Asterisks (*) indicate updated parts.

Ordering Replacement Parts

Use part numbers to order from authorized dealers.

1. Provide model and serial number.
2. Specify part number from manual.
3. Check availability and lead time.
4. Verify warranty coverage if applicable.

Tip: Order gaskets and seals in sets for complete repairs.

Model Compatibility Guide

Some parts interchange across models.

1. Same Series: Parts often compatible within series (e.g., MS 170, MS 180).
2. Engine Type: Similar displacement engines may share components.
3. Year Variations: Mid-year changes may affect compatibility.
4. Check Diagrams: Compare part numbers across model manuals.

WARNING! Always verify compatibility with dealer or STIHL catalog.

Safety Parts & Critical Components

Certain parts require special attention for safe operation.

Chain Brake Components: Band, lever, springs. Throttle Lockouts: Must function properly. Muffler & Heat Shields: Prevent fires. Fuel System Parts: Lines and filters must be ethanol-resistant. Always replace safety components with genuine STIHL parts.

Maintenance & Care

Regular maintenance extends tool life.

Clean air filters regularly. Use STIHL-approved lubricants. Inspect cutting attachments for wear. Store with empty fuel tank.

CAUTION! Disconnect spark plug before servicing.

Warranty & Support

STIHL limited warranty covers defects in materials/workmanship. Using non-genuine parts may void warranty. For support, visit www.stihlusa.com or contact authorized STIHL dealer. Keep purchase receipt and record serial number.

Troubleshooting & FAQs

Symptom	Possible Cause	Corrective Action
Engine won't start	Fuel, spark, compression	Check fuel freshness, spark plug, compression.
Chain won't turn	Clutch, sprocket, brake	Inspect clutch springs, sprocket wear, brake engagement.
Excessive vibration	Balance, mounting	Check cutting attachment balance, engine mounts.
Oil leakage	Seals, gaskets	Replace crankcase seals, gaskets per diagram.
Poor performance	Air filter, carburetion	Clean/replace air filter; adjust carburetor.

Reset: For electronic ignition modules, disconnect battery/spark plug to reset.

Service: Visit STIHL dealer for professional repair.