Troubleshooting - Honda CBR125R Owner's Manual

COOLING SYSTEM
TOOLS
Driver
07749-0010000
Bearing remover head, 14 mm
07WMC-KFG0100

TROUBLESHOOTING

Engine temperature too high
• Faulty temperature gauge or ECT sensor
• Thermostat stuck closed
• Faulty radiator cap
• Insufficient coolant
• Passage blocked in radiator,hoses or water jacket
• Air in system
• Faulty cooling fan motor
• Faulty fan control relay
• Faulty water pump
Engine temperature too low
• Faulty temperature gauge or ECT sensor
• Thermostat stuck open
• Faulty fan control relay
Coolant leak
• Faulty water pump mechanical seal
• Deteriorated O-ring
• Faulty radiator cap
• Damaged or deteriorated cylinder head gasket
• Loose hose connection or clamp
• Damaged or deteriorated hoses
• Damaged radiator
6-4
Bearing remover shaft
07936-KC10100
Oil seal driver attachment, 36 mm
07945-4150400
Remover weight
07741-0010201