Motorcycle engine cooling system Kawasaki KLE 650 (Versys, 2007-2025)

Exploded View of Cooling system
No. Fastener Torque Remarks Nm kgf·m ft·lb 1 Baffle Plate Bolts 5.9 0.60 52 in·lb 2 Radiator Bolt 15 1.5 11 3 Radiator Hose Clamp Screws 2.0 0.20 18 in·lb 4 Thermostat Housing Bolts 9.8 1.0 87 in·lb 5 Water Pump Cover Bolts 9.8 1.0 87 in·lb 6 Water...

Coolant Flow Chart
Permanent type antifreeze is used asa coolant to protect the cooling system from rust and corrosion. When the engine starts, the water pump turns and the coolant circulates. The thermostat is a wax pellet type which opens or closes with coolant...

Specifications of Cooling system
Item Standard Coolant Provided when Shipping Type (Recommended) Permanent type of antifreeze (soft water and ethylene glycol plus corrosion and rust inhibitor chemicals for aluminum engines and radiators) Color Green Mixed Ratio Soft water 50%,...

Special Tools
Bearing Driver Set: 57001-1129 Oil Seal Driver: 57001-1660

Coolant — inspection and replacing
Coolant Deterioration Inspection Remove the right middle fairing (See Middle Fairing Removal in the Frame chapter). Visually inspect the coolant [A] in the reserve tank. If whitish cotton-like wafts are observed, aluminum parts in the cooling system...

Removing and installing water pump
Water Pump Removal Drain the coolant (See Coolant Change in the Periodic Maintenance chapter). Remove: Radiator Hose [A] Water Pump Cover Bolts [B] Right Lower Fairing Bracket [C] Water Pump Cover [D] Shift the transmission into 1st gear. While...

Removing and installing radiator
Radiator and Radiator Fan Removal Drain the coolant (See Coolant Change in the Periodic Maintenance chapter). Remove the left front frame cover (See Front Frame Cover Removal in the Frame chapter). Open the clamp [A]. Disconnect the radiator fan...

Removing and installing thermostat
Thermostat Removal Drain the coolant (See Coolant Change in the Periodic Maintenance chapter). Remove the left front frame cover (See Front Frame Cover Removal in the Frame chapter). Disconnect the horn leads [A]. Remove: Horn Bolt [B] Horn [C]...

Installation and Inspection Hose and Pipes
Hose Installation Install the hoses and pipes, being careful to follow bending direction. Avoid sharp bending, kinking, flattening or twisting. Run the hoses (See Cable, Wire, and Hose Routing section in the Appendix chapter). Install the clamp [A]...

Water Temperature Sensor
Caution: The water temperature sensor should never be allowed to fall on a hard surface. Such a shock to the water temperature sensor can damage it. Water Temperature Sensor Removal/Installation Refer to the Water Temperature Sensor...