What weight oil goes in a Harley-Davidson transmission?
Our answer: It is perfectly acceptable to use 75W-140 gear oil in Harley-Davidson transmissions. But, do consider that 75W-140 is much thicker than oils typically used in Harley transmissions. For instance, AMSOIL V-Twin Synthetic Transmission Oil is an SAE 110 gear oil.
What viscosity is Amsoil V-twin transmission fluid?
SAE 110
Service Life of AMSOIL V-Twin Synthetic Transmission Oil
| Specifications | |
|---|---|
| AMSOIL V-Twin Synthetic Transmission Oil (MVT) | |
| Viscosity | SAE 110 |
| Kinematic Viscosity @ 100°C, cSt (ASTM D-445) | 20.7 |
| Kinematic Viscosity @ 40°C, cSt (ASTM D-445) | 190.3 |
Can 75W-140 gear oil be used in Harley-Davidson transmission?
Our answer: It is perfectly acceptable to use 75W-140 gear oil in Harley-Davidson transmissions. But, do consider that 75W-140 is much thicker than oils typically used in Harley transmissions. But, do consider that 75W-140 is much thicker than oils typically used in Harley transmissions.
When to change transmission fluid on a Dyna Glide?
Figure 1. Drain plugs of a Dyna Glide illustrated. It is best to change the fluids when the bike is warm. Take your motorcycle on a 5-minute ride and run through the gears a few times, to warm and thin the fluid, making it drain faster and more completely. Be careful of the hot exhaust and engine parts.
When did Harley Davidson change to 6 speed transmission?
The Harley Davidson five speed transmission ran from the early eighties until 2006 depending on the Big Twin model. In 2007 Harley Davidson Big Twin transmissions had undergone a makeover which took us from five gears to the Harley 6 speed transmission. Better, But… The Harley 6 speed transmission is excellent, but they do have one week point.
What kind of oil do you use in a Harley Davidson?
Our answer: It is perfectly acceptable to use 75W-140 gear oil in Harley-Davidson transmissions. But, do consider that 75W-140 is much thicker than oils typically used in Harley transmissions.
Figure 1. Drain plugs of a Dyna Glide illustrated. It is best to change the fluids when the bike is warm. Take your motorcycle on a 5-minute ride and run through the gears a few times, to warm and thin the fluid, making it drain faster and more completely. Be careful of the hot exhaust and engine parts.
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.
How much engine oil does a Dyna take?
Dyna’s do NOT take 3.5 quarts of engine oil. As far as buying the fluids, buy 3 qts engine oil per bike, 1 qt each for transmission and primary per bike. Don’t necessarily use all of it though.
Do you need to change the transmission fluid on a Harley Davidson?
Changing the transmission fluid can go a long way towards the preservation of your motorcycle. The fluid lubricates and cushions the gears, keeping things shifting smoothly and quietly. This article applies to Harley Davidson Dyna Glide models (1991-2016). It only takes a few minutes and a couple dollars to change your transmission fluid.