Brushcutter FS 55, FS 65, FS 65-4 Service Manual

Find the precise repair procedures, parts diagrams, and service data for Stihl FS 55, FS 65, and FS 65-4 brushcutters, including carburetor, fuel system, and engine components. Part # 4140-140-0653.

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Document Details

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Document Number / Seller:
30206 / Margaret Henry
File Size:
5.24 MB
File Type:
PDF
Language:
English
Printable:
Yes
Category:
Brushcutter
Last updated / verified
Sep 18, 2025

Models Covered & Key Technical Specifications

Stihl FS 55, FS 65, FS 65-4 (4140-140-0653) - Service Manual

This manual provides essential repair and maintenance information.

  • Designated Reservoir Specs: 0.300 L capacity is specified for the fuel tank in FS models for optimal operation.
  • Primary Displacement Data: 450 mm blade lengths are standard for the FS 45/450 cutting attachment Requirements.
  • Advanced Dimensional Tolerance: 3 mm diameter is specified for starter ropes for consistent performance Parameters.
  • Defined Climate Parameters: 2.5 Nm tightening torque is essential for the Plastoform screw on the line limiter blade Benchmarks.
  • Key Physical Specs: 710 m³/h blower attachment flow rate is standardized to ensure efficient operation Threshold.
  • Essential Fluid Capacity: 1:50 mixing ratio is set to be used with STIHL two-stroke engine oil for proper engine function Range.

Professional Workshop Service Manual & Technical Specifications

Expert Assembly Parts Manual: Brushcutter High-Quality Stihl FS 55, FS 65, FS 65-4 brushcutter Manual - Maintenance, Troubleshooting & Repair Procedures Data-Compendium

Specification Parameters Calibration-Data
Engine Housing FS models 4140-020-3000
Carburetor WYL-131, WYL-135 4170-120-0601
Clutch Drum FS 55 4140-160-2001
Rewind Starter FS 55, FS 65 4170-086-0500, 4170-190-4000
Spark Plug NGK BPMR7A 21

Documentation sections include the Crankcase, Fan side, and Starter components, detailing parts like the Oil seal and Grooved ball bearing. The manual also covers the Cylinder, Piston, and Verdichtungsring specifications for proper engine assembly. It details the operation of the Fuel system, including the Carburetor, Air filter, and Fuel tank, ensuring optimal fuel delivery.

Systematically requiring precise component identification and assembly, the product manual documents torque specifications for the Plastoform screw to ensure proper bearing preload accuracy. Troubleshooting information for common issues like engine stopping while idling or erratic idling behavior is also included to assist with maintenance.

This manual facilitates a thorough understanding of the Stihl FS 55, FS 65, and FS 65-4 brushcutters' internal workings, providing clear instructions for maintenance and repair. It aids in identifying and replacing worn or damaged parts, ensuring the longevity and efficient performance of the equipment.

FAQ

Check the **standard** component identification for the carburetor. keyboard_arrow_down

1:50 mixing ratio is specified for the fuel mixture when using STIHL two-stroke engine oil for FS models.

What does the **necessary** adjustment procedures involve for the throttle control? keyboard_arrow_down

17 Nm is the specified tightening torque for the inner screw of the clutch drum in FS models.

Reference the **recommended** pressure specifications for the fuel system. keyboard_arrow_down

0.8 bar is the specified gauge pressure for the carburetor leakage test in the Fuel system section.

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Reviews (3)

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New
This service manual is incredibly detailed and easy to follow. The download process was smooth, and I received the link promptly after purchase. Highly recommend for anyone looking to maintain their FS 65!
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Rated 4 out of 5 stars
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New
The troubleshooting tips really helped me fix my lawn trimmer quickly. Customer support was responsive and helpful when I had a question about the manual. Worth every penny!