Suzuki GSR600 Service Manual page 35

2-18 PERIODIC MAINTENANCE
AIR BLEEDING THE COOLING CIRCUIT
• Add engine coolant up to the radiator inlet.
• Support the motorcycle upright.
• Slowly swing the motorcycle, right and left, to bleed the air
trapped in the cooling circuit.
• Add engine coolant up to the radiator inlet.
• Start up the engine and bleed air from the radiator inlet com-
pletely.
• Add engine coolant up to the radiator inlet.
• Repeat the above procedure until no air bleeds from the radi-
ator inlet.
• Loosen the air bleeding bolt 1 and check that the engine
coolant flows out.
 Air bleeder bolt: 0.5 N·m (0.05 kgf-m)
• Close the radiator cap securely.
• After warming up and cooling down the engine several times,
add the engine coolant up to the full level of the reservoir.

Repeat the above procedure several times and make
sure that the radiator is filled with engine coolant up to
the reservoir full level.
RADIATOR HOSES
• Check the radiator hoses for crack, damage or engine coolant
leakage.
• If any defect is found, replace the radiator hose with new one.