Over Heating - Coleman POWERSPORTS AT125-B Manual

Engine oil
·Improperly oil level (low or over oil level)
Ignition system
·Faulty spark plug
·Faulty high tension cord
·Faulty ignitor unit
·Faulty pick up coil
·Faulty ignition coil
·Valve system
·Improperly adjusted valve clearance

OVER HEATING

OVER HEATING
Ignition system
·Improperly spark plug gap
·Improper spark plug heat rang
·Faulty ignitor unit
Fuel system
·Improper carburetor setting ·Improper fuel level adjustment
·Clogged air cleaner element
Compression system
·Heavy carbon deposit build-up ·Improperly adjusted valve timing
·Improperly adjusted valve clearance
Engine oil
·Incorrect engine oil level
·Improper engine oil quality (high viscosity)
·Low engine oil quality
Brakes
·Dragging brake
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