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NOTE: After carefully checking the above steps, attempt to start the engine. If it
does not start, contact your authorized Exmark service dealer.
IMPORTANT: It is essential that all Operator Safety Mechanisms be connected and
in proper operating conditions prior to the use of the mower.
ENGINE TROUBLESHOOTING
When a problem occurs, do not overlook the simple causes. For example, starting
problems could be caused by an empty fuel tank.
The following tables list some common causes of troubles. Do not attempt to service or
replace major items or any items that call for special timing or adjustment procedures
(governor, valves, etc.). Have this work done by your Engine Service Dealer.
ENGINE TROUBLESHOOTING TABLE
PROBLEM
NO
FUEL
IMPROPER
FUEL
DIRT IN
FUEL LINE
DIRTY AIR
FILTER
FAULTY
SPARK
PLUG
ENGINE
OVERLOADED
BLOCKED
FUEL
FILTER
INCORRECT
OIL
LEVEL
DIRTY
AIR
SCREEN
Will not start
X X X X X X
Hard starting
X X X X X X X
Stops suddenly
X X X X X X X
Lacks power
X X X X X X X X
Operates erratically
X X X X X X X
Knocks or pings
X X X
Skips or misfires
X X X X X
Backfires
X X X X X
Overheats
X X X X X
High fuel consumption
X X X X