Motorcycle engine cooling system Harley Street 750 (2014-2021)

Fastener torque values
Fastener torque values in this chapter The table below lists torque values for all fasteners presented in this chapter. FASTENERTORQUE VALUENOTES Coolant drain screw10.0-12.0 Nm89-106 in·lbsCoolant of cooling system, Drain and Fill Cooling System...

Specifications of cooling system
General Table 7-1. Capacities ITEMLITERSQUARTS Engine coolant (without overflow tank)1.31.4 Engine coolant (with overflow tank)1.61.7 Table 7-2. Coolant Pressure ITEMKPAPSI Cap lower limit12418 Rated cap pressure13820 Cap upper limit15222 Table 7-3....

Coolant flow
Operation Engine Below Operating Temperature See Figure 7-1. When engine is below operating temperature the thermostat [in the thermostat housing (3)], is closed. Coolant in the engine coolant cavities (6) warms up as the engine operates. Coolant...

Diagnose and test
Troubleshooting Warning: The Troubleshooting section of this manual is a guide to diagnose problems. Read the appropriate sections of this manual before performing any work. Improper repairand/or maintenance could result in death or serious injury....

Coolant of cooling system
Prepare 1. Remove left side cover. See Side covers. 2. Lift rear of fuel tank. See Lift rear of fuel tank. Check coolant level Caution: At operating temperature, radiators and oil coolers contain hot fluids. Contact with a radiator or oil cooler can...

Thermostat housing
Prepare 1. Drain coolant to below thermostat housing level. See Coolant of cooling system. 2. Lift rear of fuel tank. See Lift rear of fuel tank. 3. Remove engine coolant temperature sensor. See Engine coolant temperature (ECT) sensor. Remove Notes:...

Coolant pump
Prepare 1. Drain cooling system. See Coolant of cooling system. 2. Remove left foot control bracket. See Rider foot controls. Remove Note: Pry overlap ofclamps (1, 2) to remove. If clamps must be cut, use a sharp high-quality wire cutter. 1. See...

Coolant overflow tank
Prepare 1. Remove left side cover. See Side covers. 2. Drain coolant overflow tank. See Coolant of cooling system. Remove 1. See Figure 7-11. Remove overflow tank. a. Detach vent hose (1). b. Detach overflow hose (4). c. Remove screws (2). d. Remove...

Coolant hoses
Prepare 1. Remove left side cover. See Side covers. 2. Drain coolant system. Coolant of cooling system. 3. Lift rear of fuel tank. See Lift rear of fuel tank. Remove Notes: Crimp-type clamps are not reusable. Pry overlap of crimp type clamps to...

Engine coolant temperature (ECT) sensor
Prepare 1. Remove main fuse. See Power disconnect. 2. Lift rear of fuel tank. See Lift rear of fuel tank. 3. Drain coolant. See Coolant of cooling system. Remove 1. See Figure 7-13. Disconnect ECT connector (1). 2. Remove sensor (2). Install...

Removing and installing radiator
Prepare 1. Lift rear of fuel tank. See Lift rear of fuel tank. 2. Drain coolant. See Coolant of cooling system. Remove 1. See Figure 7-14. Remove shroud. a. Remove screws (8) and washers (9). b. Remove shroud (7). Note: Pry overlap ofclamps (2, 12)...