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h) Check that the spark plug wire(s) are properly connected.
i) Check for loose or faulty wiring connections. If it is necessary to disconnect
wire connectors, Do Not pull on the wires while disconnecting.
j) Check for corrosion at all wiring connections. Even minor corrosion may
cause a faulty connection. Clean connector terminals thoroughly with
electrical contact cleaner, apply dielectric grease and reconnect.
IMPORTANT: It is essential that all operator safety mechanisms be
connected and in proper operating condition prior to mower use.
NOTE: After carefully checking the above steps, attempt to start the engine. If
it does not start, contact your authorized Exmark service dealer.
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 table lists some of the common causes of trouble.
Do not attempt to service or replace major items or any items that call for special
timing or adjustment procedures (such as valves, governor, 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
XXXXXX
Hard starting
XX X X X X X
Stops suddenly
XXX XXXX
Lacks power
XX XX X XXX
Operates erratically
XX XX X X X
Knocks or pings
XXX
Skips or misfires
XX XX X
Backfires
XXXX X
Overheats
XX X XX
High fuel
consumption
XX X X