Table of Contents
What oil is best for Harley primary?
Answer. 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.
What is primary fluid Harley?
Likewise, AMSOIL Synthetic V-Twin Primary Fluid is designed only to protect primary chaincase components. Its viscosity is similar to an SAE 50 motor oil. Formulating it as a straight-weight lubricant naturally offers an advantage in shear stability over other multi-viscosity lubricants.
What weight oil goes in a Harley transmission?
Our answer: It is perfectly acceptable to use 75W-140 gear oil in Harley-Davidson transmissions.
Can you use 20W50 in primary?
Amsoil recommends 20W-50 synthetic V-twin motorcycle oil in the engine, transmission and primary chaincase on most Harleys. This reduces costs and results if you half- used bottles of oil lying around in the garage. Simplicity – Remembering to buy one lubricant is far easier than remember three.
Is primary fluid the same as transmission fluid?
What are the differences? In essence, Synthetic V-Twin Transmission Fluid and Synthetic V-Twin Primary Fluid are formulated to protect just one area of your bike rather than three. This specificity allows us to engineer each lubricant for its precise application.
What oil goes in a 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.
What kind of oil does a Harley Davidson use?
Answer: For any Harley Twin-Cam engine, we highly recommend using AMSOIL Synthetic 20W-50 in “all three holes” (as they put it) for two essential reasons. Update: AMSOIL now offers dedicated fluid for Harley Davidson primary chain-cases and transmissions.
What kind of oil do you use for primary and transmission?
For those that prefer a specialized fluid, the V-Twin Primary and V-Twin Transmission Fluids will certainly provide outstanding performance and protection. AMSOIL 20W-50 Synthetic Motorcycle Oil is specifically designed to withstand the rigors of engine, transmission and primary chaincase use.
Why do you need an oil filter on a Harley Davidson?
An oil filter removes tiny particles from the oil, helping to keep the oil fresher and work to its best ability for longer. A new filter costs a few quid and it only takes a couple of minutes to change. We’ve put together this Harley-Davidson oil filter chart to help you pick the best oil filter for your motorcycle.
Is it OK to use automatic transmission fluid in a Harley?
As for the use of automatic transmission fluid (ATF) in Harley primary chaincases, we have heard that some riders do this, but we do not recommend this option. Again, let’s look at actual viscosity numbers to back this up. The viscosity of a typical ATF at 100°C is 7.5 centistokes.