Suzuki RM-Z250 - Radiator (Cooling System)

3-8 TROUBLESHOOTING
RADIATOR (COOLING SYSTEM)
Complaint Symptom and possible causes Remedy
Engine overheats • Not enough engine coolant
• Radiator core clogged with dirt or scale
• Clogged water passage
• Air trapped in the cooling circuit
• Defective water pump
• Use incorrect coolant
• Defective ECM
• Defective ECT sensor
Add coolant
Clean
Clean
Bleed air
Replace
Replace
Replace
Replace
Engine overcools • Extremely cold weather Put on the radiator cover