Yamaha Fz6n Manual
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6-4 RADIATORCOOL EAS00456 INSTALLING THE RADIATOR 1. Install: radiator coolant hoses 2. Fill: cooling system (with the specified amount of the recom- mended coolant) Refer to “CHANGING THE COOLANT” in chapter 3. 3. Check: cooling system Leaks Repair or replace any faulty part. 4. Measure: radiator cap opening pressure Below the specified pressure Replace the radiator cap. Refer to “CHECKING THE RADIATOR”.
6-5 Order Job / Part Q’ty Remarks 1 2 3 4 5 6 7 8 9Removing the oil cooler Radiator assembly Engine oil Oil cooler outlet hose Union bolt Washer Oil cooler O-ring Oil cooler inlet hose Oil cooler inlet pipe Water jacket joint hose Water jacket joint1 1 1 1 1 1 1 1 1Remove the parts in the order listed. Refer to “RADIATOR”. Drain. Refer to “CHANGING THE ENGINE OIL” in chapter 3. 10 Nm (1.0 mkg, 7.2 ftlb) 63 Nm (6.3 mkg, 46 ftlb) OIL COOLERCOOL EAS00457 OIL COOLER
6-6 OIL COOLERCOOL Order Job / Part Q’ty Remarks 10 11 12O-ring Water pump outlet hose Radiator outlet hose1 1 1 For installation, reverse the removal procedure. 10 Nm (1.0 mkg, 7.2 ftlb) 63 Nm (6.3 mkg, 46 ftlb)
6-7 OIL COOLERCOOL 63 Nm (6.3 mkg, 46 ftlb) NOTE: EAS00458 CHECKING THE OIL COOLER 1. Check: oil cooler Cracks / damage Replace. 2. Check: oil cooler inlet hose oil cooler outlet hose Cracks / damage / wear Replace. EAS00459 INSTALLING THE OIL COOLER 1. Clean: mating surfaces of the oil cooler and the crankcase (with a cloth dampened with lacquer thinner) 2. Install: O-ring New oil cooler 1 washer 2 New union bolt 3 Before installing the oil cooler, lubricate the union bolt and O-ring with a thin coat of engine oil. Make sure the O-ring is positioned properly. 3. Fill: cooling system (with the specified amount of the recom- mended coolant) Refer to “CHANGING THE COOLANT” in chapter 3. 4. Fill: crankcase (with the specified amount of the recom- mended engine oil) Refer to “CHANGING THE ENGINE OIL” in chapter 3. 5. Check: cooling system Leaks Repair or replace any faulty part. 6. Measure: radiator cap opening pressure Below the specified pressure Replace the radiator cap. Refer to “CHECKING THE RADIATOR”.
6-8 Order Job / Part Q’ty Remarks 1 2 3Removing the thermostat Seat Front cowling inner panel (left and right) Fuel tank Air filter case Coolant Throttle body assembly Radiator inlet hose Thermostat cover Thermostat1 1 1Remove the parts in the order listed. Refer to “SEAT” in chapter 3. Refer to “COWLINGS” Refer to “FUEL TANK” Refer to “AIR FILTER CASE” in chapter 3. Drain. Refer to “CHANGING THE COOLANT” in chapter 3. Refer to “THROTTLE BODIES” in chapter 7. For installation, reverse the removal procedure. 12 Nm (1.2 mkg, 8.7 ftlb) THERMOSTATCOOL EAS00460 THERMOSTAT
6-9 1 THERMOSTATCOOL NOTE: EAS00462 CHECKING THE THERMOSTAT 1. Check: thermostat 1 Does not open at 71 85C (160 185F) Replace. a. Suspend the thermostat in a container filled with water. b. Slowly heat the water. c. Place a thermometer in the water. d. While stirring the water, observe the thermo- stat and thermometer’s indicated tempera- ture. 1Thermometer 2Water 3Thermostat 4Container AFully closed BFully open If the accuracy of the thermostat is in doubt, re- place it. A faulty thermostat could cause serious overheating or overcooling. 2. Check: thermostat cover Cracks / damage Replace.
6-10 THERMOSTATCOOL NOTE: 12 Nm (1.2 mkg, 8.7 ftlb) NOTE: EAS00466 INSTALLING THE THERMOSTAT 1. Install: thermostat Install the thermostat with its breather hole a facing up. 2. Install: thermostat cover Before installing the thermostat cover to the cyl- inder head, lubricate the O-ring with a thin coat of lithium soap based grease. 3. Fill: cooling system (with the specified amount of the recom- mended coolant) Refer to “CHANGING THE COOLANT” in chapter 3. 4. Check: cooling system Leaks Repair or replace any faulty part. 5. Measure: radiator cap opening pressure Below the specified pressure Replace the radiator cap. Refer to “CHECKING THE RADIATOR”.
6-11 Order Job / Part Q’ty Remarks 1 2 3 4Removing the water pump Coolant Radiator outlet hose Water pump outlet hose Water pump breather hose Water pump1 1 1 1Remove the parts in the order listed. It is not necessary to remove the water pump unless the coolant level is extremely low or the coolant contains engine oil. Drain. Refer to “CHANGING THE COOLANT” in chapter 3. Disconnect. Disconnect. For installation, reverse the removal procedure. NOTE: 10 Nm (1.0 mkg, 7.2 ftlb) 12 Nm (1.2 mkg, 8.7 ftlb) WATER PUMPCOOL EAS00468 WATER PUMP
6-12 Order Job / Part Q’ty Remarks Disassembling the water pump Water pump cover O-ring Impeller shaft Circlip Water pump seal Oil seal Bearing Water pump housing O-ring Copper washer1 1 1 1 1 1 1 1 1 1Disassemble the parts in the order listed. For assembly, reverse the disassembly procedure. 1 2 3 4 5 6 7 10 Nm (1.0 mkg, 7.2 ftlb) 8 9 10 WATER PUMPCOOL
6-13 WATER PUMPCOOL NOTE: NOTE: NOTE: NOTE: EAS00471 DISASSEMBLING THE WATER PUMP 1. Remove: water pump cover O-ring circlip impeller shaft 2. Remove: water pump seal 1 Remove the water pump seal from the outside of the water pump housing. 2Water pump housing 3. Remove: oil seal 1 (with a thin, flat-head screwdriver) Remove the oil seal from the outside of the wa- ter pump housing. 4. Remove: bearing 1 Remove the bearing from inside of the water pump housing. 5. Remove: rubber damper holder 1 rubber damper 2 (from the impeller, with a thin, flat-head screwdriver) Do not scratch the impeller shaft.