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f) Check that the spark plug wire(s) are properly connected.
g) Check for loose or faulty wiring connections. If it is necessary to disconnect
wire connectors, Do Not pull on the wires while disconnecting.
h) Check for corrosion at all wiring connect ions. Even minor corrosion may
cause a fault y connection. Clean connector term inals t hor oughly with
electrical contact cleaner , apply dielectric grease and r econnect.
IMPORTANT: It is essential that all operat or saf et y mechanisms be connected and in
proper operating conditi on pri or t o mower use.
NOTE: After carefully checking the above steps, attempt to start the engine. If it
does not start, cont act your authorized Exmark service dealer.
ENGINE TROUBLESHOOTING
When a problem occur s, do not overlook t he sim ple causes. For example, st arting
problems could be caused by an empty f uel t ank. T he following table lists som e of the
common causes of trouble. Do not attempt t o service or replace major items or any items
that call for special timing or adjustment pr ocedures (such as valves, governor, et c. ) . 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