17
PROBLEM PROBABLE CAUSE CORRECTIVE ACTION
Engine does not
start.
Throttle lever not in the correct position for
the prevailing conditions.
Go to dealer authorized by Briggs&Stratton to move throttle
lever to correct position
Engine stop control lever not engaged Pull engine stop control lever against upper handle.
Fuel tank is empty. Fill tank with fuel-Refer to operator’s manual of the engine
manual of the engine
Spark plug loose. Tighten spark plug-Refer to operator’s manual of the engine
Spark plug boot loose or disconnected
from spark plug.
Install spark plug boot on spark plug.
Gap between electrodes of spark plug is
incorrect.
Refer to engine operator’s manual to set correct gap
Spark plug is defective
Install new genuine Briggs&Stratton spark plug --Refer to
operator’s manual of the engine
Remove spark plug boot from spark plug, remove spark
plug, clean fuel on spark plug, and pull starter rope 5 times
to make fuel in combustion chamber cleared, then install
spark plug and spark plug boot.
Go to dealer authorized by Briggs&Stratton to clean the carbure-
tor or replace one new genuine carburetor
Ignition module fails to provide electric
Contact a Briggs & Stratton authorized service agent.
to start or loses
power.
Dirt, water, or stale fuel tank.
Drain fuel and clean tank. Fill tank with clean, fresh fuel
Vent hole in fuel tank cap is plugged. Clean or replace fuel tank cap.
Engine operates
erratically.
Spark plug is defective.
Install new genuine Briggs&Stratton spark plug --Refer to
operator’s manual of the engine
Gap between electrodes of spark plug is
incorrect.
Refer to engine operator’s manual to set correct gap
Air cleaner element is dirty.
Clean air cleaner element or replace air cleaner element-
Refer to engine operator’s manual
Engine idles poorly.
Air cleaner element is dirty.
Clean air cleaner element or replace air cleaner element-
Refer to engine operator’s manual
Air slots in engine shroud are blocked. Remove debris from slots.
-
gine blower housing are blocked.
Engine skips at
high speed.
Gap between electrodes of spark plug is
too close.
Set gap between electrodes- Refer to engine operator’s
manual
Engine overheats
Remove any debris from slots in shroud, blower housing, air
passages.
Incorrect spark plug.
Obtain correct replacement for original spark plug from by
Briggs & Stratton authorized agent.
Mower vibrates
abnormally
Cutting assembly is loose.
Go to dealer authorized by Briggs&Stratton to tighten blade
with torque between 45N.m-55N.m
Cutting assembly is unbalanced
Go to dealer authorized by Briggs&Stratton to replace with
new same blade.
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