Quick Answer: What Oil Do I Use In A Harley Primary?

Can I use Mobil 1 in my Harley?

Mobil1 75/90 is the one that most M1 users use in the transmission.

Mobil will tell you that you can run V-Twin in all three holes if you e-mail them.

Harley will tell you that you can run SYN3 in all three holes as well.

Redline shockproof heavy (Also packaged as V-Twin Transmission fluid) is a popular choice as well..

Can I use 10w40 in my Harley?

If you’re going to be riding in below 40° ambient temperatures HD does recommend 10W-40 but unless you are, it’s a poor choice for the engine. You can use 10W-40 in the primary, though. I use Mobil 1 Racing 4T 10W-40 synthetic in the primary and it works well.

How do you check the primary oil on a Harley Davidson?

Remove 5 derby cover retaining screws, stand bike up straight, lube level should just be touching the outside diameter of the clutch shell. Remove 5 derby cover retaining screws, stand bike up straight, lube level should just be touching the outside diameter of the clutch shell.

Is the Harley 114 liquid cooled?

The twin-cooled 107 cubic-inch-engine has liquid-cooled cylinder heads for the Road Glide Ultra, Tri Glide Ultra, and Ultra Limited models. The larger, 114 cubic-inch-engine features liquid-cooled cylinder heads for the CVO Street Glide and CVO Limited models.

Should I run synthetic oil in my Harley?

Synthetic oil is preferable to mineral oil primarily because it has a higher heat tolerance. That is very important in air-cooled engines like the one in your Harley. Not all synthetic oils are the same.

Do Harleys break down a lot?

Harleys break down for several reasons. … There is also the failure of Harley owners to maintain their bikes properly. Many owners consider maintenance too costly, and so skip regular servicing. The bikes will break down eventually, after a long period without maintenance.

Can I use Mobil 1 synthetic oil in my motorcycle?

Mobil 1 V-Twin full synthetic motorcycle oil 20W-50 is an advanced full synthetic technology designed for four-stroke motorcycle engines and is recommended by ExxonMobil for use in Harley-Davidson motorcycles*.

Is synthetic oil good for Air Cooled Engines?

Since synthetic oil has better heat transfer qualities than dino oil, your internal engine temperatures will be lower. Things like bearings, especially, will not operate at as high of a temperature as a result. The wider range of temperatures that synthetic oil can withstand is well suited for the air-cooled VW engine.

Can I use gear oil in my Harley transmission?

Our answer: It is perfectly acceptable to use 75W-140 gear oil in Harley-Davidson transmissions. … For instance, AMSOIL V-Twin Synthetic Transmission Oil is an SAE 110 gear oil.

What kind of oil goes in Harley primary?

You actually have a couple of choices for the primary drive. The optimum product would be Mobil 1 Racing™ 4T 10W-40 motorcycle oil, but it is also okay to use Mobil 1™ V-Twin 20W-50.

How much oil goes in a Harley primary?

Fill the primary with oil Harley Davidson Softails require one quart of primary fluid. Be sure to check your owner’s manual or the AMSOIL Product Guide for the correct primary oil capacity for your bike.

How often should you change primary oil in my Harley?

(Mobil 1 V-Twin) and the syn oil from HD for the primary. For years 2005 and earlier, the interval is 5,000 miles. In 2006 the tranny gears were changed to helical cut and the interval was increased to 10,000 miles. This information is in both the Owners Manual and the Factory Service Manual.

Can I use car oil in my Harley?

Although you can temporarily use motor oil, it may end up damaging your bike. If you want an oil to use in all weather conditions they recommend that you should use SAE 20W50. For low temperatures, Harley recommends SAE 10W40, which prevents low-temperature issues.

What is the best oil for Harley Davidson?

AMSOIL Offers Superior Protection And PerformanceAMSOIL Recommendations for Harley-Davidson MotorcyclesFlatheadBestSecondaryEngine20W-50—Transmission20W-50MVT Synthetic V-Twin Transmission FluidPrimary Chain Case20W-50MVP Synthetic V-Twin Primary Fluid14 more rows

How much oil goes in a Harley transmission?

When filling the transmission, use Harley-Davidson TRANSMISSION LUBRICANT (Part No. 99892-84 (qt.) or 99891-84 (gal.)). The transmission fluid capacity is approximately 24 ounces (0.71 liters). Inspect o-ring for tears or damage.

Is there a difference between car oil and motorcycle oil?

In a motorcycle, where the motor oil may lubricate the transmission, a motor oil that does not have the same level of friction modification (for fuel economy) of a typical passenger car motor oil will provide better transmission performance in terms of transmission lock-up and slippage.