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Matthew Watkins Jr.Sep 23, 2025
What to do if perforated disc on diaphragm is deformed on Stihl Brush Cutter?
- KKatrina ParkerSep 23, 2025
Replace metering diaphragm.

What to do if perforated disc on diaphragm is deformed on Stihl Brush Cutter?
Replace metering diaphragm.
What to do if metering diaphragm is deformed on Stihl Brush Cutter?
Replace metering diaphragm.
What to do if inlet needle sticking to valve seat on Stihl Brush Cutter?
Remove inlet needle, clean and refit.
How to fix diaphragm gasket leaking on Stihl Brush Cutter?
Replace diaphragm gasket.
What to do if metering diaphragm damaged or shrunk on Stihl Brush Cutter?
Replace metering diaphragm.
What to do if clutch shoes are worn on Stihl Brush Cutter?
If the clutch shoes are worn, install a new clutch.
What to do if my Stihl Brush Cutter engine runs rough and misfires?
If your Stihl Brush Cutter engine runs roughly, misfires, or experiences temporary power loss, the spark plug boot may be loose. Press the boot firmly onto the spark plug and fit a new spring if necessary.
Why won't the starter rope rewind on my Stihl Brush Cutter?
If the starter rope does not rewind, heavy fouling or rust may be present on the rewind spring. Clean or replace the rewind spring.
Why does the cutting attachment on my Stihl Brush Cutter stop under load?
If the cutting attachment stops under load at full throttle, it could be because the clutch shoes or clutch drum are badly worn. Install a new clutch or clutch drum.
Why does my Stihl Brush Cutter carburetor flood and the engine stall?
If the carburetor floods and the engine stalls, the inlet needle may not be sealing due to foreign matter in the valve seat or cone. Remove and clean the inlet needle or clean the carburetor.
Covers essential warnings, notices, and before-start checks for safe operation.
Guides on mounting cutting attachments, guard rings, and deflectors.
Covers mounting, checking, and cleaning thrust plate and guard washer.
Provides detailed information on fuel types and safe fueling practices.
Covers controls, starting procedures, and stopping the engine.
Outlines general maintenance procedures and recommendations.