Motorcycle engine cooling system Yamaha YZF-R1 Y(C) (2009-2014)

Removing the radiator
Order Job/Parts to remove Quantity Remarks Coolant Drain. Refer to " Changing the coolant ". ECU Refer to " General chassis ". Side cowling Refer to " General chassis ". Rectifier/regulator Refer to " General chassis ". 1 Radiator cap 1 2 Coolant...

Checking the radiator
1. Check: Radiator fins Obstruction → Clean. Apply compressed air to the rear of the radiator. Damage → Repair or replace. Straighten any flattened fins with a thin, flathead screwdriver. 2. Check: Radiator hoses Radiator pipes Cracks/damage →...

Installing the radiator
1. Fill: Cooling system (with the specified amount of the recommended coolant) Refer to " Changing the coolant ". 2. Check: Cooling system Leaks → Repair or replace any faulty part. a. Attach the radiator cap tester "1" and radiator cap tester...

Removing the oil cooler
Order Job/Parts to remove Quantity Remarks Coolant Drain. Refer to " Changing the coolant ". Engine oil Drain. Refer to " Changing the engine oil ". Side cowling Refer to " General chassis ". Lower cowling Refer to " General chassis ". ECU Refer to...

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. 3. Check: Water jacket joint inlet hose Water jacket joint Water pump outlet pipe. Cracks/damage/wear → Replace.

Installing the oil cooler
1. Clean: Mating surfaces of the oil cooler and the crankcase (with a cloth dampened with lacquer thinner) 2. Install: Crankcase (with the specified amount of the recommended engine oil) Refer to " Changing the engine oil ". 4. Check: Cooling system...

Removing the thermostat
Order Job/Parts to remove Quantity Remarks Coolant Drain. Refer to " Changing the coolant ". Fuel tank Refer to " Fuel tank ". Air filter case Refer to " Air filter case ". Throttle body Refer to " Throttle bodies ". 1 Coolant reservoir cover 1 2...

Checking the thermostat
1. Check: Thermostat "1" Does not open at 71-85°C (159.8-185.0°F) → Replace. a. Suspend the thermostat "1" in a container "2" filled with water. b. Slowly heat the water "3". c. Place a thermometer "4" in the water. d. While stirring the water,...

Assembling the thermostat assembly
1. Install: Thermostat housing "1" Thermostat "2" O-ring "3" New Thermostat housing cover "4" A. Fully closed B. Fully open Thermostat housing cover nut 10 Nm (1.0 m·kgf, 7.2 ft·lbf). Install the thermostat with its breather hole "a" facing up.

Installing the thermostat assembly
1. Fill: Cooling system (with the specified amount of the recommended coolant) Refer to " Changing the coolant ". 2. Check: Cooling system Leaks → Repair or replace any faulty part. Refer to " Installing the radiator ". 3. Measure: Radiator cap...

Disassembling the water pump
Order Job/Parts to removes Quantity Remarks Oil/water pump assembly Refer to " Oil pump ". Oil pump rotor Refer to " Oil pump ". 1 Water pump cover 1 2 O-ring 1 3 Pin 2 4 Impeller shaft (along with the impeller) 1 5 Water pump seal 1 6 Oil seal 1 7...

Disassembling water pump
1. Remove: Water pump seal "1" Remove the water pump seal from the inside of the water pump housing "2". 2. Remove: Oil seal "1" (with a thin, flat-head screwdriver) Remove the oil seal from the inside of the water pump housing "2". 3. Remove:...

Checking the water pump
1. Check: Water pump housing cover "1" Impeller "2" Cracks/damage/wear → Replace. Water pump housing "3". Cracks/damage/wear → Replace the oil/ water pump assembly.

Assembling the water pump
1. Install: Oil seal "1" New (into the water pump housing "2") Installed depth "a" 17.2 mm (0.68 in). Before installing the oil seal, apply tap water or coolant onto its out surface. Install the oil seal with a socket that matches its outside...