Honda lawn mower troubleshooting

In addition to one of the world’s most popular car range, the Japanese corporation Honda manufactures power equipment. Honda made its first step on this path in 1953 with H-type engine. Today the range of power equipment is very diverse and includes robotic lawnmowers, outboard engines, hedge trimmers etc.
If your lawnmower is experiencing a malfunction (for instance, it won t start), you’ve come to the right place. Below you’ll find a list of the most common problems (including poor cutting, excessive vibration, or situations when a lawnmower is not starting at all or is not working properly). For each issue, there is an explanation and a number of repair solutions.

Possible CauseCorrection
Blade control not engagedHold blade control lever against the handlebar (page 3)
Fuel valve OFFTurn the fuel valve ON (page 9).
Out of fuelRefuel (page 7).
Bad fuel; mower stored without treating gasoline, or refueled with bad gasolineRefuel with fresh gasoline (page 7).
Spark plug faulty, fouled, or improperly gappedGap or replace the spark plug (page 13).
Spark plug wet with fuel (flooded engine)Dry and reinstall the spark plug.
Fuel filter clogged, carburetor malfunction, ignition malfunction, valves stuck, etc.Take the mower to an authorized Honda servicing dealer for repair.
Loss of Power
Grass is too tallRaise the cutting height (page 6), cut a narrower swath, use a slower ground speed, or cut more frequently. Instead of mulching, try rear discharging or bagging.
Mower deck is cloggedClean out the mower deck (page 15).
Air filter is cloggedClean or replace the air filter (page 12).
Bad fuel; mower stored without treating gasoline, or refueled with bad gasolineRefuel with fresh gasoline (page 7).
Fuel filter clogged, carburetor malfunction, ignition malfunction, valves stuck, etc.Take the mower to an authorized Honda servicing dealer for repair.
Vibration
Grass and debris lodged under the mower deckClean out the mower deck (page 15).
Blades looseTighten loose blade bolts (page 11).
Blades bent, damaged, or unbalanced by improper sharpeningTake the mower to an authorized Honda servicing dealer for repair.
Mechanical damage, such as a bent crankshaft
Mowing and Bagging Problems
Mower is moving too fast for lawn conditionsApply less pressure to the Smart Drive paddles.
Cutting height adjustment levers set at different positionsSet all levers at the same cutting height position (page 6).
Grass bag cloggedWash the grass bag (page 15).
Mower deck is cloggedClean out the mower deck (page 15).
Blades dull, worn, or damagedSharpen or replace the blades if necessary (page 11).
Wrong blades installedInstall correct blades (page 20).

Error codes and troubleshooting