What does it mean when your crank case is leaking oil?
Cross fingers. sounds like the check valve in your oil pump is leaking. It is called “wet sumping” I/e the bikes sits for awhile ,and the oilbag drains into the crankcase. sounds like the check valve in your oil pump is leaking. It is called “wet sumping” I/e the bikes sits for awhile ,and the oilbag drains into the crankcase.
What should the vent hole be on a crank case?
Vent holes for breathers should be (.187). Make sure when putting extension on breather bolt holes are not Covered, Defeats the purpose. Oil returning in tank, vent and return are not covered in oil. This will suck oil back into engine not allowing it to breathe properly and will cause blow by, engine will get very hot.
What to do when oil blows out of crankcase breather tube?
You will need to remove the spring & check ball from the inner pump tower; clean the check ball, replace if pitted & re-install. Crank over the motor with the plugs out & leads grounded until the oil is out of the cases. Re-fill oil tank, warm up bike & top off oil level.
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?
Why is oil leaking from the crank case breather?
Oil from all the engine is collecting in the crank case during bike is stays long period and when you starting the bike extra oil is starts leaking from the crank case breather. What you need to do, just collect that oil coming from breather into some storage pan and ride the bike untill leaking will stop itself.
Where does oil come from in a crank case?
You probably are seeing the natural blow by of the breather line that ends in your air intake for the carburetor. Oil migrates slowly up the breather tube and makes its way out through your air filter. With time, it accumulates and releases a drip at a time from the bottom of your breather cover (tear drop).
Vent holes for breathers should be (.187). Make sure when putting extension on breather bolt holes are not Covered, Defeats the purpose. Oil returning in tank, vent and return are not covered in oil. This will suck oil back into engine not allowing it to breathe properly and will cause blow by, engine will get very hot.
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?