CLUTCH SLIP
Husqvarna · 525LST 25.4 cc 17 in Gas String Trimmer
The clutch slips under load and the trimmer head spins slowly or stops when cutting heavy vegetation — the clutch shoes are worn, glazed, or contaminated with oil; the clutch drum may be worn smooth; the clutch engages by centrifugal force as the engine speeds up; worn clutch shoes do not grip the drum with enough force under load; replace the clutch shoes and inspect the drum for scoring or glazing; do not oil the clutch area
Error CLUTCH SLIP on the Husqvarna 525LST 25.4 cc 17 in Gas String Trimmer means: Clutch Slipping Under Load. The top-ranked community fix is “Replace Clutch Shoes and Inspect Clutch Drum” (medium difficulty, ~45 min, DIY cost: $20-$40). 2 community-ranked fixes available below.
Published February 2026 · 2 fixes · string trimmer
Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.
While many string trimmer repairs can be done safely at home, consider hiring a qualified technician if:
Average professional repair cost for this issue: $120-$180.
Air Filter Clogged
Pull Cord Will Not Retract
Engine Dies at Idle
Exhaust Port or Muffler Blocked
Fuel System Leak
Trimmer Head Spins at Idle
Excessive Vibration
Trimmer Line Will Not Advance
The Husqvarna 525LST 25.4 cc 17 in Gas String Trimmer has 8 other known error codes:
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