The best oil to use in your Harley transmission is typically a high-quality synthetic gear oil specifically designed for motorcycle transmissions. Harley-Davidson recommends using their own brand, such as Harley-Davidson Transmission Lubricant, which meets the necessary specifications. Alternatively, options like AMSOIL or Mobil 1 synthetic gear oils are also popular among riders. Always check your owner’s manual for the specific viscosity and requirements for your model.
I have allways used the Formula One primary and transmission oil. Some of my customers say that using a Synthetic oil Quiets the trans. Your choice.
32 fluid ounces
A Harley-Davidson 4-speed transmission typically requires about 20 to 24 ounces of transmission oil, depending on the specific model and year. It's important to use the recommended type of oil, which is usually a lightweight transmission fluid or specific Harley-Davidson transmission oil. Always check the owner’s manual for the exact specifications and guidelines for your particular motorcycle model.
The engine uses three quarts of oil, and the Primary/Transmission uses one quart of Sport-Trans.
For a 2009 Harley-Davidson Dyna, the recommended transmission oil is a high-quality synthetic or mineral-based gear oil with a viscosity of 75W-90. Harley-Davidson typically suggests using their own brand of transmission fluid, such as the Harley-Davidson Transmission Lube. Always consult the owner's manual for specific recommendations and capacity details.
Usually it's called transmission oil. For example I use red line transmission oil in both my motorcycles(Harley,Ducati)
You can use the same oil that you use in your motor
For a 1997 Harley-Davidson Road King, the recommended transmission oil is a high-quality 20W-50 motor oil, specifically formulated for use in Harley motorcycles. You can also use Harley-Davidson's own products, such as their Transmission Lubricant or their Synthetic 20W-50 oil. Always check the owner's manual for specific recommendations and specifications to ensure optimal performance.
24 ounces.
Harley Davidson transmissions typically use a specific type of oil known as transmission fluid, often referred to as "Harley-Davidson Transmission Fluid." This fluid is specially formulated to provide optimal lubrication and protect the transmission components. It's important to use the recommended oil to ensure proper performance and longevity of the transmission. Always refer to the owner's manual for the appropriate specifications for your specific model.
20w-50 same as engine oil; my new answer I've always used 80-90 but it gets hot here in the desert
Where are the drain plugs for engine, transmission, etc and can the same oil be used for all three compartments