Suzuki GSX-R750, Service Manual

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PERIODIC MAINTENANCE 2-19
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 bleed no air from the radia-
tor inlet.
• Loosen the air bleeding bolt
1
and check the engine coolant
flow out.
! ! ! ! !
Air bleeding bolt: 5.5 N.m (0.55 kgf.m, 4.0 lb-ft)
• 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 reserve tank.
#
Repeat the above procedure several times and make
sure that the radiator is filled with engine coolant up to
the reserve tank full level.
Engine coolant capacity (Without reservoir):
2 150 ml (2.3/1.9 US/Imp qt)
RADIATOR HOSES
• Remove the under cowlings. (
6-5)
• Check to see the radiator hoses for crack, damage or engine
coolant leakage.
• If any defects are found, replace the radiator hoses with new
ones.