MTD 760 - Troubleshooting Engine and Performance Issues; Engine Fails to Start or Runs Erratic

'Trouble
Shooting
For repairs beyond
the minor adjust-
i merits listed here,
i contact an authorized
service dealer.
Problem Cause Remedy
Enginefails to Start 1. PTOengaged. !. PlacePTOknob(or lever)in
aisengaged(OFF)position,
2. spark plugwire(s)disconnected. 2: connect wire(s)to spa!k plug(s)i
3 FUeliankem t oistaiefuel 3 F tankwtheean freshgaso ne
py . , .
4 Chokenotactiated 4 Pu out theCHOKEcontro (f so
V !
equipped)orplacethe throttle
€ontrolinCHOKEpositionl
5' Fau!tYsPa!kP!Ug' 5. CleanladjustgaPlerreplacel
&Blocke dfuel !ine• 6. clean iuel lineOrreplacefueifilter,
7. Engineflooded, ifsoequipped.
7, Ciank enginewiththrottleinFAsT
PoSition.
8. Parkngbiakenotengaged. &Engage parkingbrake,
9 T rotlecontiolie;er,,,,_i,,,,,,r,e .,; 9 PlacethrottlelevertoFAST
• h t v ,u_,uu,,_ :
startingposition, position.
Engine runs erratic 1. UnitrunningwithCHOKEapplied. 1. PushCHOKEcontrol(if so
3. Blockedfuel lineor stalefuel.
4. Ventingascapplugged.
5. Waterordirt infuel system.
6. Dirty aircleaner.
3O
equipped)in,or movethe throttle
controloutoftheCHOKEposition.
2. Connectand tightenspark
plugwire(s).
3. Cleanfuelline;fill tank withclean,
fresh(lessthan30 daysold)
gasoline.Replacefuelfilter,if so
equipped.
4. Clearventor replaceif damaged.
5. Drainfuel tank. Refillwith
freshfuel.
6. Replaceaircleanercartridge/ele-
mentor cleanpre-cleaner,ifso
equipped.
2. Sparkplugwire(s)loose.