Can you use gear oil in 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 do you use for transmission on a Harley Davidson?
So those opting for a gear lube thinking that they are using thicker oil, really are not. Those using an 80W or 75W-90 in their transmissions are actually using a much thinner oil. The 20W-50 motorcycle oil’s viscosity is right in the “sweet spot” for optimum operation in all three holes and the volumes of positive reviews we receive back this up.
What kind of lube do you use on a Harley?
Some use gear lube in the transmission and chaincase. Some even use ATF in chaincase and claim they have great results. 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.
What kind of spectro oil does a Harley Davidson use?
Down there – the heavier grade GO (75W/140) would be best…order your Spectro Oil online…that’s what I did. IMO you don’t need a gear lube in the HD tranny. I use my 20W-50 in all three holes.
What is transmission and primary chaincase lubricant approved for?
Hello Splat, This Formula+ Transmission and Primary Chaincase Lubricant is approved for use both the Transmission and/or the Primary Chaincase applications. It is approved for use on the 2019 FXBB 114 applications.
So those opting for a gear lube thinking that they are using thicker oil, really are not. Those using an 80W or 75W-90 in their transmissions are actually using a much thinner oil. The 20W-50 motorcycle oil’s viscosity is right in the “sweet spot” for optimum operation in all three holes and the volumes of positive reviews we receive back this up.
Some use gear lube in the transmission and chaincase. Some even use ATF in chaincase and claim they have great results. 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.
Can you use gear oil in the primary?
You certainly can, but I use gear oil in the transmission and ATF in the primary. See the oil sticky for reasons why this is a valid choice. You certainly can, but I use gear oil in the transmission and ATF in the primary. See the oil sticky for reasons why this is a valid choice.
Hello Splat, This Formula+ Transmission and Primary Chaincase Lubricant is approved for use both the Transmission and/or the Primary Chaincase applications. It is approved for use on the 2019 FXBB 114 applications.