STIHL 026 Parts Manual Download

The STIHL 026 is a professional-grade chainsaw known for its reliability and performance. This parts manual provides detailed diagrams, part numbers, and ordering information for all components of the STIHL 026 chainsaw, including the engine, cutting attachment, fuel system, ignition, and housing. Below are key sections for identification, engine parts, cutting equipment, fuel system, ignition system, housing, and ordering instructions.

Identification & Serial Numbers

Locate the serial number on the housing to ensure correct parts ordering. Key components: Engine housing label, Bar stamp, Model plate.

Engine Assembly Parts

Complete breakdown of the engine assembly including crankcase, cylinder, and mounting components.

1. Crankcase halves: Right and left sections with gasket.
2. Cylinder mounting studs and nuts.
3. Engine mounting bolts and vibration dampeners.
4. Crankcase seals and bearings.

WARNING! Engine disassembly requires proper tools and expertise. Incorrect assembly can cause engine failure.

Cylinder & Piston Group

Detailed parts list for the cylinder, piston, rings, and wrist pin.

1. Cylinder: With exhaust port and transfer ports.
2. Piston: Complete with ring grooves.
3. Piston rings: Top and bottom compression rings.
4. Wrist pin and circlips.
5. Cylinder gasket and decompression valve (if equipped).

CAUTION! Always replace piston and cylinder as a matched set for optimal performance.

Crankshaft & Bearings

• Crankshaft: Complete assembly with connecting rod.
• Main bearings: Ball bearings for crankshaft support.
• Seals: Crankshaft seals for crankcase pressure.
• Flywheel: With magnets for ignition system.
• Starter cup: For recoil starter engagement.
• Counterweights: For vibration reduction.
• Connecting rod: With bearing and wrist pin end.

Fuel System Components

Complete fuel system parts including tank, lines, carburetor, and filter.

Fuel Tank: Tank assembly, cap, vent. Carburetor: Complete carburetor, rebuild kit, adjustment screws. Fuel Lines: Supply and return lines, primer bulb (if equipped). Filter: In-tank fuel filter. Air Filter: Paper element and pre-filter.

Ignition System Parts

Ignition coil, spark plug, flywheel, stop switch, and wiring.

1. Turn off chainsaw and disconnect spark plug before servicing.
2. Match coil type to your serial number range.
3. Check flywheel key for shearing if timing is off.

Tip: Always use genuine STIHL spark plugs for proper ignition performance.

Cutting Attachment & Bar

Guide bar, chain tensioner, bar nuts, and clutch cover parts.

1. Guide bar: Various lengths (16", 18", 20") and types.
2. Chain tensioner: Screw, adjuster, and push rod.
3. Bar nuts and washers: For securing bar to saw.
4. Clutch cover: With chain brake components.
5. Sprocket cover: For protecting drive sprocket.
6. Bar plate: Between bar and saw body.
7. Chain catcher: Safety component to catch broken chain.

WARNING! Always use matched bar and chain combinations. Incorrect pairing causes excessive wear.

Chain & Sprocket

Drive sprocket, rim sprocket, chain parts, and lubrication system.

Housing & Covers

Plastic housing components, handles, and protective covers.

CAUTION! Cracked housing components should be replaced immediately for safety.

Ordering Parts & Diagrams

Use exploded diagrams with call-out numbers when ordering. Each diagram corresponds to a section in this manual. Copyright © 2025 STIHL; all parts diagrams proprietary. For ordering, visit www.stihlusa.com or contact 1-800-467-8445 with your serial number ready.

Warranty & Service

Warranty: Genuine STIHL parts carry 90-day warranty from purchase date.

Service: 1-800-467-8445; www.stihlusa.com