Diagnose & Troubleshoot
Bolens Walk Behind

Engine fails to start Possible Causes and Corrective Actions

Blade control disengaged
Engage blade control.
Spark plug boot disconnected
Connect wire to spark boot.
Fuel tank empty or stale fuel
Fill tank with clean, fresh gasoline.
Engine not primed (if equipped with primer)
Prime engine as instructed in the "Operation" section of the Operator's manual.
Faulty spark plug
Clean, adjust gap, or replace plug.
Blocked fuel line
Clean or replace fuel line.
Engine flooded
Wait a few minutes to start. Do not prime.
Fuel valve (if equipped) closed
Open fuel valve. See engine manual.
Engine not choked (if equipped with a choke)
Choke engine. See engine manual.