ayerbe AY - MTS 550 Manual De Uso página 45

9. TROUBLESHOOTING
1.- STARTING FAILURE
Check fuel for water or substandard
mixture
Check for engine flooding
Check spark ignition
2.- LACK OF POWER / POOR ACCELERATION / ROUGH IDLING
Check fuel for water or substandard
mixture
Check air filter and fuel filter for clogging
Check carburetor for inadequate
adjustment
3.- OIL DOES NOT COME OUT
Check oil for substandard quality
Check oil passage and ports for
clogging
Replace with proper fuel
Remove and dry the spark
plug. Then pull the starter
again with no choke
Replace with a new spark plug
Replace with proper fuel
Clean the filters
Re-adjust speed needles
Replace
Clean filters and ports
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