Motorcycle engine lube system Harley Sportster XL1200 (2012-2023)

Oil pressure operation
All models When an engine is cold, the engine oil is more viscous (thicker). During start-up, oil pressure will be higher than normal and oil circulation will be somewhat restricted. As the engine warms to normal operating temperature, the engine...

Checking oil pressure
PART NUMBER TOOL NAME HD-41675 OIL PRESSURE SENDING UNIT WRENCH HD-96921-125 OIL PRESSURE GAUGE ADAPTER HD-96921-52D OIL PRESSURE TEST GAUGE KIT HD-96925-58 OIL PRESSURE GAUGE ADAPTER 1. Fill oil tank to proper level. See 1.6 ENGINE OIL AND FILTER ....

Crankcase breathing system
XL models See Figure 3-6. On the piston downstroke, a mixture of crankcase air and oil mist is vented up the pushrod covers (1) through a breather valve (2) in each inner rocker box section. Figure 3-6. Crankcase breathing system: XL Models: 1....

Oil pump operation
The oil pump consists of two gerotor gear sets housed in one pump body. One is feed and the other scavenge (return). Each gerotor gear set has an inner and an outer gerotor. The inner gerotor has one less lobe than the outer gerotor. Both gerotors...

Oil flow: XL models
Note. See Figure 3-12.The paragraph numbers correspond with the callouts. 1. Oil is gravity-fed from the oil tank to the gerotor-style oil pump through a feed hose. Oil enters the feed section and fills a cavity located under the feed pump. See 3.20...

Oil flow: XR 1200X models
Note. See Figure 3-13. The paragraph numbers correspond with the callouts. 1. Oil is gravity-fed from the oil tank to the gerotor-style oil pump through a feed hose and internal passages. Oil enters the inlet cavity of the feed pump. See 3.21 OIL...

Precision cooling system: XR 1200X
PART NUMBER TOOL NAME HD-46503 OIL LINE REMOVER, 1/2 INCH HD-49096 OIL LINE REMOVER, 3/8 INCH See Figure 3-27. The oil lines used in the Precision Cooling System incorporate flanged oil lines and quick connect fittings. Quick connect fittings can be...

Return oil manifold — removal and installation
PART NUMBER TOOL NAME HD-49096 OIL LINE REMOVER, 3/8 INCH FASTENER TORQUE VALUE Return oil manifold screw: XR 1200X 84-108 in·lbs 9.5-12.2 Nm Removal 1. Disconnect and remove battery. See 1.22 BATTERY MAINTENANCE . 2. Remove exhaust system. See 4.14...

Cylinder head oil return lines — removal and installation
PART NUMBER TOOL NAME HD-49096 OIL LINE REMOVER, 3/8 INCH FASTENER TORQUE VALUE Oil line quick connect fitting, cylinder head return: XR 1200X 108-156 in·lbs 12.2-17.6 Nm Oil line retainer, front, nut: XR 1200X 84-108 in·lbs 9.5-12.2 Nm Oil rigid...

Cylinder head oil feed assembly
FASTENER TORQUE VALUE Checkvalve plug fitting: XR 1200X 15-21 ft·lbs 20.3-28.5 Nm Checkvalve housing fastener: XR 1200X 90-120 in·lbs 10.3-13.6 Nm Cylinder head oil feed flare fitting: XR 1200X 22-26 ft·lbs 29.8-35.3 Nm Cylinder head oil feed line...

Oil pump lines — removal and installation
PART NUMBER TOOL NAME HD-46503 OIL LINE REMOVER, 1/2 INCH HD-49096 OIL LINE REMOVER, 3/8 INCH FASTENER TORQUE VALUE Oil pump quick connect fitting: XR 1200X 108-156 in·lbs 12.2-17.6 Nm Oil rigid line retainer, rear, screw: XR 1200X 90-120 in·lbs...

Oil cooler — removal and installation
PART NUMBER TOOL NAME HD-46503 OIL LINE REMOVER, 1/2 INCH FASTENER TORQUE VALUE Oil cooler fastener: XR 1200X 36-60 in·lbs 4.1-6.8 Nm Removal 1. Disconnect the battery. See 1.22 BATTERY MAINTENANCE . 2. Drain oil tank. See 1.6 ENGINE OIL AND FILTER...

Oil pump: XL models — removal, installation, disassembly and assembly
The oil pump seldom needs servicing. Check for all possible malfunctions related to oil pressure before disassembling oil pump. 1. Make sure all oil line connections are tight. Verify that lines are not pinched or damaged. 2. Check level and...

Oil pump: XR 1200X models — disassembly and assembly
The oil pump seldom needs servicing. Check for all possible malfunctions related to oil pressure before disassembling oil pump. 1. Make sure all oil line connections are tight. Verify that lines are not pinched or damaged. 2. Check level and...

Oil filter mount — disassembly and assembly
Oil is pressure-fed from the oil pump to the oil filter mount via a hose connection. Oil travels through the filter mount into the filter via outer filter holes. Adequate oil pressure activates the oil pressure indicator lamp switch in the filter...

Oil tank — removal and installation
Pressure relief valve The oil tank has a pressure relief valve in the top of the tank. If the vent line is pinched, restricted or if the tank is overfilled, excessive pressure is created. The valve opens if the pressure in the tank exceeds 10 psi...