The STIHL TS 800 is a professional-grade cut-off machine designed for heavy-duty concrete and asphalt cutting. This parts manual provides detailed diagrams, part numbers, and ordering information for all components of the TS 800, including the engine assembly, cutting head, gearbox, fuel system, ignition system, and safety features. Use this manual for identification, maintenance, and repair part sourcing.
This manual is intended for professional technicians and authorized STIHL service dealers. Always follow STIHL safety instructions. Use only genuine STIHL replacement parts to ensure performance, safety, and warranty compliance.
| Symbol | Meaning |
|---|---|
| ! | Warning - Risk of personal injury or damage |
| Wrench | Maintenance or adjustment point |
| Part # | STIHL genuine part number |
| Qty | Quantity required per assembly |
WARNING! Disconnect spark plug before performing any maintenance or parts replacement. Use appropriate personal protective equipment (PPE).
Cylinder, piston, crankshaft, connecting rod, bearings, and seals.
Note: Engine parts are precision matched. Replace in sets as recommended.
Cutting wheel spindle, gear set, bearings, and clutch assembly.
CAUTION! Gearbox must be filled with specified grease after assembly.
Fuel tank, carburetor, fuel lines, filter, and air filter.
Carburetor Kit: Includes diaphragm, gaskets, needle valve, and jets. Fuel Tank: Tank assembly with cap and vent. Fuel Lines: Supply and return lines with clamps. Air Filter: Foam filter element and cover.
Ignition module, spark plug, stop switch, and wiring harness.
Tip: Check spark plug gap and wire connections before replacing module.
Front and rear handles, throttle trigger, lockout, and vibration dampeners.
| Part | Description | Part Number |
|---|---|---|
| Rear Handle | Main handle with trigger housing | XXXX XXXX XXX |
| Throttle Trigger | Complete trigger assembly with spring | XXXX XXXX XXX |
| Throttle Lockout | Safety interlock lever | XXXX XXXX XXX |
| Vibration Dampeners | Rubber isolators for handles | XXXX XXXX XXX |
| Front Handle | Auxiliary handle with clamp | XXXX XXXX XXX |
Engine shroud, gearbox cover, air filter cover, and decals.
WARNING! Do not operate machine with damaged or missing covers.
Screws, nuts, washers, and special bolts used throughout the machine.
Includes: M5, M6 screws in various lengths, lock washers, flange nuts, and special shoulder bolts for gearbox. Always replace with STIHL specified hardware to maintain torque and clamping force specifications.
Alphabetical list of common parts with numbers.
Contact an authorized STIHL dealer to order parts. Provide the part number and machine serial number. Serial number is located on the engine housing.
Online: Parts can be identified and ordered through STIHL's dealer portal. Phone: Call your local STIHL servicing dealer.
Refer to the following diagrams for part location and assembly relationship. Diagrams are numbered corresponding to sections in this manual.
| Diagram | Section | View |
|---|---|---|
| Figure 1 | Engine Assembly | Exploded view, cylinder side |
| Figure 2 | Gearbox | Cross-section with parts callouts |
| Figure 3 | Fuel System | Layout of tank, lines, carburetor |
| Figure 4 | Handle & Controls | Disassembled view |
Note: Diagrams are for reference only. Assembly requires proper tools and training.
STIHL Support: For technical assistance, contact STIHL USA at 1-800-467-8445 or visit www.stihlusa.com.