Problem Cause Solution
Will not start No fuel
Dirt in fuel line
Blown head gasket
Engine overload
Dirty air cleaner
Faulty spark plug
Fuel system out of adjustment
Defective ignition
See engine owners manual for
servicing
NOTE: Only properly trained
Service Technicians should
adjust or repair fuel systems!
Hard to start No fuel
Dirt in fuel line
Engine overloaded
Dirty air cleaner
Faulty spark plug
Spark plug or head bolts loose
Blown head gasket
Timing, coil or valves need adjusting
Regulator needs adjustment
Insufcient vacuum
See engine owners manual for
servicing
NOTE: Only properly trained
Service Technicians should
adjust or repair fuel systems!
Lacks power Improper valve clearance
Dirt in fuel line
Faulty spark plug
Incorrect oil level
Worn rings
See engine owners manual for
servicing
NOTE: Only properly trained
Service Technicians should
adjust or repair fuel systems!
Odor of burned
rubber
Belt out of adjustment See “Adjusting Belt Tension”
Engine overheats Incorrect oil level
Engine overloaded
Build up of dirt inside engine shroud
See engine owners manual for
servicing
High fuel
consumption
Faulty spark plug
Dirty air cleaners
Improper fuel system adjustment
Clean, adjust/replace spark plug
See engine owners manual for
servicing
NOTE: Only properly trained
Service Technicians should
adjust or repair fuel systems!
Engine stops
suddenly
Out of fuel
Faulty spark plug
Pad not centered on pad driver
Incorrect pad size
Low oil
Change fuel cylinders
Clean, adjust/replace spark plug
Center pad on pad holder
Replace with proper pad
Add oil (see Changing Oil notes)
Excessive vibration Loose bolts on engine or deck
Pad not centered or damaged pad
Incorrect oil level
Engine overloaded
Dirty lters
Faulty spark plug
Inspect and tighten all bolts
Center or replace pad(s), tighten
Check and adjust oil level
See engine owners manual for
servicing
Clean or replace lters
Check adjust/replace spark plug
Troubleshooting
To Order Parts Call 1-888-702-5326 - https://monsterfloorequipmentparts.com
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