Stihl FS 25-4 65-4 Machine Service & Repair Manual

The Stihl FS 25-4 65-4 Machine service & repair manual is the complete 45-page factory workshop manual for this machine — with full step-by-step procedures, specifications, torque values, wiring and hydraulic diagrams and fault diagnosis.

What’s inside this manual:

• Contents
• 1. Safety Precautions
• 2. Introduction
• 3. Specifications
• 3.1 Engine
• 3.2 Fuel System
• 3.3 Ignition System
• 3.4 Gearhead
• 3.5 Special Accessories
• 3.5.1 For User
• 3.6 Dimensions and Wear Limits
• 3.7 Tightening Torques
• 4. Troubleshooting
• 5. Clutch
• 5.1 Removing and Disassembling
• 5.2 Assembling and Installing
• 6. Engine
• 6.1 Valve Clearance
• 6.2 Checking/Adjusting
• 6.2 Checking OilLevel/Changing Oil
• 6.3 Exhaust Muffler
• 6.4 Rocker Arms/Pushrods
• 6.5 Cam Followers
• 6.6 Cam Gear
• 6.7 Diaphragm
• 6.8 Crankcase, Lower Half
• 6.9 Crankshaft
• 6.10 Valves/Valve Springs
• 6.11 Crankcase with Cylinder
• 7. Ignition System
• 7.1 Ignition Module
• 7.1.1 Ignition Timing
• 7.1.2 Removing and Installing
• 7.2 Flywheel
• 8. Rewind Starter
• 8.1 General
• 8.2 Rope Rotor
• 8.3 Starter Rope
• 8.4 Starter Grip
• 8.5 Rewind Spring
• 8.5.1 Replacing
• 8.5.2 Tensioning
• 8.6 Starter Cup/Fanwheel
• 9. Throttle Control
• 9.1 Throttle Trigger/Interlock Lever (Bike Handle)
• 9.2 Contact Springs/DetentSpring in Control Handle (Bike Handle)
• 9.3 Throttle Trigger/Interlock Lever( Loop Handle)
• 9.4 Slide Control (Loop Handle)
• 9.5 Throttle Cable
• 9.5.1 Replacing
• 9.5.2 Adjusting
• 10. AV System
• 11. Fuel System
• 11.1 Air Filter
• 11.2 Carburetor

With OEM-level detail throughout, it is everything needed to service, diagnose and repair the machine.