How do I prime my EVO oil pump?
Fill up the oil tank , pull out the spark plugs , stick an oil pres. gauge on the motor and crank it until you build up oil pres. for about a minute. Put your spark plugs back in turn on the fuel and fire it up.
Why does Harley vomit oil?
This is because the oil “sumps” from the oil tank to the engine case sump and its got go some where. The case breather will pump it straight out of the breather port. A headbreather also needs to send the over flow some where. Back up through the head drain passages straight out through the air cleaner.
What causes oil Sumping?
The symptoms of this is typically excessive smoking and oil coming out the engine breather tube. There are two causes for this: Oil is not returning to the tank or oil is seeping through the pump while the engine is sitting unused. Both are oil pump related issues.
Why do old Harleys leak oil?
Harleys do not leak engine oil. Early Harleys used an automatic lubrication system that drew oil from the oil pump to lubricate the primary chain. What seems like oil leaking from the motorcycle is actually excess oil dripping off from the primary chaincase.
How do you stop wet Sumping?
Wet sumping prevention – electrical interlock to a pressure switch in the oil line. A different approach would be to put a cut out switch at the end of the line (off the rocker feed) so that any loss of oil pressure would kill the ignition.
Can a 80 inch Evo motor leak oil?
Got an 80 inch evo… Got an 80 inch evo motor that leaks engine oil from the main shaft seal 15 to 20 min after running. I’ve replaced the seal 3 times(both directions) and still the same thing. The breather gear is timed properly with the cam gear. The oil pump is working properly(replaced 1 time with a new one).
What can cause 1989 Harley pukes oil out crankcase vent?
Re: 1989 harley pukes oil out crankcase vent when started… Blow by compression. Severe engine problems. Pull the heads look at cylinder walls You can’t post conmments that contain an email address. I have 1983 Harley Sportster 1000 that won’t fire when I first turn the key, but after a few minutes it fires right up what can cause this?
What kind of oil filter does an evo use?
Got the right oil filter(an evo filter not a twin cam filter). The oil is flowing corectly through the oil filter(from oil pump return line to the input side of the oil filter housing). Oil is returning to the oil bag and the oil pressure is good.
Got an 80 inch evo… Got an 80 inch evo motor that leaks engine oil from the main shaft seal 15 to 20 min after running. I’ve replaced the seal 3 times(both directions) and still the same thing. The breather gear is timed properly with the cam gear. The oil pump is working properly(replaced 1 time with a new one).
Re: 1989 harley pukes oil out crankcase vent when started… Blow by compression. Severe engine problems. Pull the heads look at cylinder walls You can’t post conmments that contain an email address. I have 1983 Harley Sportster 1000 that won’t fire when I first turn the key, but after a few minutes it fires right up what can cause this?
Got the right oil filter(an evo filter not a twin cam filter). The oil is flowing corectly through the oil filter(from oil pump return line to the input side of the oil filter housing). Oil is returning to the oil bag and the oil pressure is good.