Yamaha YZFR6 (1999-2002) [4/18] Radiator

RADIATOR COOL CHECKING THE RADIATOR 1 Check radiator fins Obstruction Clean Apply compressed air to the rear of the radia tor Damage Repair or replace NOTE Straighten any flattened fins with a thin flat head screwdriver 2 Check radiator hoses Cracks damage Replace 3 Measure radiator cap opening pressure Below the specified pressure Replace the radiator cap Radiator cap opening pressure 110 140 kPa 1 1 1 4 kg cm2 16 0 20 3 psi a Install the radiator cap tester and adapter 2 onto the radiator cap 3 Radiator cap tester 90890 01325 YU 24460 01 Adapter 90890 01352 YU 33984 b Apply the specified pressure for ten seconds and make sure that there is no drop in pres sure 4 Check radiator fan Damage Replace Malfunction Check and repair Refer to COOLING SYSTEM in chapter 8 5 3