Cub Cadet RZT 50 Operator's Manual page 51

40 TROUBLESHOOTING GUIDE
TROUBLESHOOTING GUIDE
If the engine malfunctions,carefullyexamine the symptomsand the operatingcondiUons, a nd use the table
belowas a guide to troubleshooting.
TROUBLESHOOTING GUIDE 41
Symptom
Engine won1
start or outputis
low
Insufficient
compression
Remedy
K
T_lhten propedy
Probably Cause
Faultypistons,cylinders,pistonrings,
and head gaskets
Faultyvalves
Loosespark plugs
I_oo_ecylinderhead bolts
No fuel in fuel tank
Fuel valve not in "ON" position
Blockedfuel tllter or tube
Blockedair vent in tank cap
Faultycarburetor
Over-richfuel/air mixture
No fuel to Fillfuel tank
combustion Open fuel valve lever.
chamber Change fuel filter or fuel tube
Clean fuel tank cap
K
Spark plugs Open choke.
fouled by fuel Rotate engine with spark plugs
removedto dischargeexcess fuel.
Clean spark plugs.
Clean
K
Change fuel
No spark or
weak spark
Clogged air cleaner
Faultycarburetor
Incorrectgrade/type of fuel
Water in fuel
Faultyspark plugs
Faultyignitioncoils
Engineswitch left in '_)FF" position
Replace spark plugs
K
Turn engine switch to '_TART"
posiUon
(See M)
51