SURGING
Honda · FG110 9-Inch Mini Tiller/Cultivator with Honda GX25 25cc 4-Stroke Engine
Engine speed fluctuates up and down at idle or under light load — most commonly caused by a dirty carburetor from stale fuel deposits, clean or rebuild the carburetor and use fresh ethanol-free fuel
Error SURGING on the Honda FG110 9-Inch Mini Tiller/Cultivator with Honda GX25 25cc 4-Stroke Engine means: Engine Surges at Idle. The top-ranked community fix is “Rebuild Carburetor and Replace Fuel Lines” (hard difficulty, ~90 min, DIY cost: $20-$40). 2 community-ranked fixes available below.
Published February 2026 · 2 fixes · tiller
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 tiller repairs can be done safely at home, consider hiring a qualified technician if:
Average professional repair cost for this issue: $150-$220.
industrial_generator · 2 fixes
industrial_generator · 2 fixes
industrial_generator · 2 fixes
industrial_generator · 2 fixes
portable_generator · 2 fixes
portable_generator · 2 fixes
inverter_generator · 2 fixes
inverter_generator · 2 fixes
inverter_generator · 2 fixes
inverter_generator · 2 fixes
inverter_generator · 2 fixes
inverter_generator · 2 fixes
snow_blower · 2 fixes
snow_blower · 2 fixes
water_pump · 2 fixes
The Honda FG110 9-Inch Mini Tiller/Cultivator with Honda GX25 25cc 4-Stroke Engine has 5 other known error codes:
Error code SURGING also appears on 15 other Honda models:
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