What is Harley m8 Sumping?

What is Harley m8 Sumping?

Sumping is when the suction side of the oil pump does not remove enough oil from the crankcase. When the flywheels rotate in the oil they turn it into an aerated state. The Milwaukee-Eight oil sumping issue is because the stock oil pump may be inadequate.

What does a high flow oil pump do?

High-Volume Oil Pump A High-Volume Pump will push more oil through the system. It has larger gears to move more oil per revolution. These pumps are good for performance engines with larger bearing clearances. The added oil will help maintain oil pressure and carry away heat.

How do you prime a Harley Davidson oil pump?

How to Prime a Harley Oil Pump

1. Install the oil pump.
2. Remove check valve cover screw with a flat head screwdriver.
3. Remove the check valve ball with a mechanic’s magnet from inside the oil pump body.
4. Look inside the open check valve.
5. Pour clean engine oil into the cavity if it remains empty and wait for five minutes.

Is dry sump better?

A dry sump tends to hold more oil than a wet sump in an extra reservoir, so that means it works better for sustained cornering since it’s harder to starve the engine of oil. It also allows you to mount the engine lower since it has a shallower oil pan, that improves the center of gravity.

What Harley models are being recalled?

Here is a list of the specific models impacted:

• 2008-2011 Harley-Davidson Road King (FLHR)
• 2008-2011 Harley-Davidson ROAD KING POLICE (EFI) (FLHP)
• 2008-2011 Harley-Davidson ROAD KING POLICE (EFI) (FLHPE)
• 2008-2011 Harley-Davidson ELECTRA GLIDE STANDARD POLICE (EFI) (FLHTP)

Is the M8 a good engine?

I’ve known people that have put over 100,000 miles on every thing Harley has built in the last 30 years. The new M8 will probably be good for 200,000 miles before an overhaul, in my opinion it’s the best motor they have ever built.

Do I need high volume oil pump?

High-volume oil pumps have taller gears and typically flow about 15- to 20-percent-more oil than a comparable stock pump. In some applications, a high-flow pump is absolutely essential. A high-volume oil pump is also necessary if you’re building a performance engine with larger bearing clearances (more than .

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.