Radiator And Water Hoses; Radiator Removal; Radiator Cap Inspection; Radiator Inspection And Cleaning - Suzuki GSX-R750 Service Manual

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COOLING AND LUBRICATION SYSTEM

RADIATOR AND WATER HOSES

• Remove the under cowlings. (8-5)

• Drain the engine coolant. (2-17)

• Remove the radiator assembly. (3-4)

• Remove the reservoir tank 1, cooling fan 2 from the radia-

• Fit the cap 1 to the radiator cap tester 2.

• Build up pressure slowly by operating the tester. Make sure

that the pressure build-up stops at 93 – 123 kPa (0.93 – 1.23

, 13.2 – 17.5 psi) and that, with the tester held stand-

still, the cap is capable of holding that pressure for at least 10

• Replace the cap if it is found not to satisfy either of these two

requirements.

 Radiator cap valve opening pressure

Standard: 108 – 137 kPa

(1.1 – 1.4 kgf/cm

Road dirt or trash stuck on the fins must be removed.

Use of compressed air is recommended for this cleaning.

, 15.4 – 19.5 psi)

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