Enginefailsto start
Enginerunserratically
1. PTO/BladeEngageleverengaged.
2. Parkingbrakenotengaged.
3. Sparkplugwire(s)disconnected.
4. Throttle/Chokecontrollevernotincorrect
startingposition.
5. Chokenotactivated
6. Fueltank empty,or stalefuel.
7. Blockedfuel line.
8. Faultysparkplug(s).
9. Engineflooded.
10. BlownFuse(s)
1. UnitrunningwithCHOKEactivated.
2. Sparkplugwire(s)loose.
3. Blockedfuel lineor stalefuel.
4. Ventingascap plugged.
5. Wateror dirt in fuelsystem.
6. Dirtyair cleaner.
Engineoverheats 1. Engineoillevellow. 1.
2. Air flowrestricted. 2.
Enginehesitatesat high RPM 1. Sparkpluggaptoo close. 1.
Engineidlesrough 1. Sparkplugfouled,faultyor gaptoo wide. 1.
2. Dirtyair cleaner. 2.
Excessivevibration
Mowerwillnot mulchgrass
Unevencut
1. Cuttingbladelooseor unbalanced.
2. Damagedorbent cuttingblade.
1. Enginespeedtoolow.
2. Wetgrass.
3. Excessivelyhighgrass.
4. Dullblade.
1. Decknot leveledproperly.
2. Dullblade.
3. Uneventire pressure.
1. Placeleverindisengaged(OFF)position.
2. Engageparkingbrake.
3. Connectwire(s)to sparkplug(s).
4. PlaceThrottle/Chokeleverintothe FASTposition.
5. MovetheThrottle/ChokeleverintotheChoke
position.
6. Filltankwithclean,fresh(lessthan 30daysold)gas.
7. Replacethe fuellineandreplacefuel filter.
8. Clean,adjustgapor replaceplug(s).
9. Crankenginewiththrottlein FASTposition.
10. ReplaceFuse(s)See"Fuse"in Serviceand
Maintenancesection.
1. Deactivatethe CHOKE.
2. Connectsparkplugwire(s).
3. Replacethe fuelline;filltankwithclean,fresh
gasolineandreplacefuel filter.
4. Clearventor replacecap ifdamaged.
5. Drainfueltank. Refillwithclean,freshgasoline.
6. Replaceair cleanerpaperelementor cleanfoam
pre-cleaner,ifequipped.
Fillcrankcasewithproperamountandweightofoil.
Cleangrassclippingsanddebrisfromaroundthe
engine'scoolingfinsandhousing.
Removesparkplugandresetthegap.
Replacesparkplug.Setpluggap.
Replaceair cleanerelementand/orcleanpre-
cleaner.
1. Tightenbladeandspindle.
2. Replaceblade.
1. Placethrottlein FAST(rabbit)position.
2. Donotmulchwhengrassis wet.
3. Mowonceat a highcuttingheight,thenmowagain
atdesiredheightor makea narrowercuttingswath.
4. Sharpenor replaceblade.
1. Performside-to-sidedeckadjustment.
2. Sharpenor replaceblade.
3. Checktirepressureinallfour tires.
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