Harley Davidson Evolution Oil Pump

Get free help advice support from top Harley40 Micron - H-D Part A standard Evo filter Oil Lines - The oil lines connecting the Smart Pump to the oil filter operate under high pressure and are colored RED in the diagram.

Harley davidson evolution oil pump. Wait until you see a steady flow of oil the attach. In the case of the Evo youd attach a cooler to the return line from the filter before returning to the pumpoil tank. The other upper line in the oil tank goes to the vent at the back of the cam cover.

Filter to tank via return line to pump back to tank. The 1340-cc Evolution engine was used by all Harley-Davidson motorcycles built between 1984 and 1998 when it was largely replaced by the new Twin-Cam 88 engines. It is also important to practice patience while aligning the pump halves or installing the small keys and retaining clips.

If the oil pump is cavitatingyou can crankiteven start itand itll never prime until you can get the air out out ittake the plug out. Well this year I rebuilt the motor 111 pistons new Jugs. It is important to work clean.

Replacement Harley oil pumps must be primed after installation but before their first use in order to prevent air lock or cavitation. Heres how to cle. Discussion Starter 1 Apr 18 2012.

Chrome Kit lifter Oil Pump Filte Cover Harley Evo Softail Touring FXR 1992-1999. Harley Davidson Touring 1984-1998. How-To clean the oil pump and re assemble if you plan on reusing it.

Ugh had to pull the oil pump again. Remove oil pump shaft circlip on the innermost gear 5. Like SS JIMS V-Twin Manufacturing Feuling Twin Power and more.