Kawasaki Ninja Service Manual: Radiator Hose and O-ring Replacement

Kawasaki Ninja Service Manual / Periodic Maintenance / Periodic Maintenance Procedures / Replacement Parts / Radiator Hose and O-ring Replacement

Drain the coolant (see Coolant Change).
Remove: Upper Fairing Assembly (see Upper Fairing Assembly Removal in the Frame chapter) Thermostat Housing [A] (see Thermostat Removal in the Cooling System chapter) Oil Cooler [B] (see Oil Cooler Removal in the Engine Lubrication System chapter) Water Pump Cover [C] (see Oil Pump Removal in the Engine Lubrication System chapter) Fitting [D]
Replace the hoses [E] and O-rings [F] with new ones.
Apply grease to the new O-rings.
Run the new hoses according to Cable, Wire, and Hose Routing section in the Appendix chapter.
Tighten:

Torque - Water Hose Clamp Screws: 3.0 N·m (0.31 kgf·m, 27 in·lb)

Install the removed parts (see appropriate chapters).
Fill the coolant (see Coolant Change).
Check the cooling system for leaks.

Radiator Hose and O-ring Replacement

Coolant Change

WARNINGCoolant can be extremely hot and cause severe burns, is toxic and very slippery. Do not remove the radiator cap or attempt to change the coolant when the engine is hot; allo ...

Engine Oil Change

Situate the motorcycle so that it is vertical after warming up the engine. Remove the engine oil drain bolt [A] to drain the oil. The oil in the oil filter can be drained by removing the fil ...

Other materials:

Water Temperature Sensor Inspection
Remove the water temperature sensor (see Water Temperature Sensor Removal/Installation in the Fuel System (DFI) chapter). Suspend the sensor [A] in a container of coolant so that the temperature-sensing projection [C] is submerged. Suspend an accurate thermometer [B] with temperature ...

Moving Off
Check that the side stand is up. Pull in the clutch lever. Shift into 1st gear. Open the throttle a little, and start to let out the clutch lever very slowly. As the clutch starts to engage, open the throttle a littlemore, giving the engine just enough fuel to keep it from stallin ...

Radiator Inspection
Remove the radiator (see Radiator and Radiator Fan Removal). Check the radiator core. If there are obstructions to air flow, remove them. If the corrugated fins [A] are deformed, carefully straighten them. If the air passages of the radiator core are blocked more than 20% by unremovable ...