Engine Coolant Replenishment; Engine Cooling System Inspection - Suzuki RM250 Owner's Service Manual

2-12 PERIODIC MAINTENANCE

ENGINE COOLANT REPLENISHMENT

Engine coolant is harmful if swallowed or if it comes in
contact with your skin or eyes.
Keep engine coolant away from children and pets. Call
your doctor immediately if engine coolant is swal-
lowed and induce vomiting. Flush eyes or skin with
water if engine coolant gets in eyes or comes in con-
tact with skin.
• Remove the radiator cap 1.
• Remove the drain plug 2 and drain engine coolant.
• Tighten the drain plug 2 and pour specified engine coolant.
 Radiator drain plug: 5.5 N·m (0.55 kgf-m, 4.0 lb-ft)
 Engine coolant capacity: 1 100 ml (1.2/1.0 US/lmp qt)
Use an anti-freeze and Summer coolant which is compatible
with aluminum radiator, mixed with distilled water at the ratio of
50 : 50.
NOTE:
The radiator, cylinder and cylinder head are made of aluminum
alloy. Using non-recommended coolant may corrode aluminum
alloy and may clog the coolant passageways.
• Bleed air from the cooling circuit.

ENGINE COOLING SYSTEM INSPECTION

Inspect the following items before practice and races.
• Engine coolant leakage
• Radiator hose cracks and deterioration
• Radiator mounting condition
• Radiator breather hose condition
• Radiator fin condition
 WARNING