Premium Synthetic Protection for Your Harley-Davidson®
Big V-Twin motorcycles place serious demands on their lubricants. High operating temperatures, heavily loaded components and separate engine, transmission and primary systems all create different lubrication challenges.
AMSOIL V-Twin synthetic lubricants are engineered for these demanding conditions, providing premium protection for Harley-Davidson® motorcycles from the engine to the transmission and primary chaincase.
Built to Take the Heat
Large-displacement, air-cooled V-Twin engines can operate under severe heat, particularly in slow traffic, hot Australian conditions and demanding riding.
- Resists viscosity breakdown under extreme heat
- Maintains a strong protective lubricant film
- Helps protect heavily loaded engine components
- 100% synthetic protection for demanding V-Twin service
Complete the Service
Your Harley-Davidson relies on more than engine oil. AMSOIL offers dedicated lubricants for the transmission and primary chaincase, allowing each system to use a lubricant engineered around the job it performs.
- Engine protection under high temperatures and loads
- Smooth, quiet transmission performance
- Consistent clutch engagement and primary protection
- A complete AMSOIL V-Twin lubrication system
The AMSOIL V-Twin System
Protect the engine, transmission and primary with AMSOIL lubricants developed for the demands of V-Twin motorcycles.
ENGINE OIL
20W-50 Synthetic V-Twin Motorcycle Oil
The primary choice for most modern Harley-Davidson V-Twin engines, including Evolution, Twin Cam and Milwaukee-Eight applications.
View 20W-50 V-Twin Oil →
TRANSMISSION
V-Twin Transmission Fluid
Dedicated transmission protection designed to protect gears and bearings while promoting smooth shifts and helping reduce transmission noise.
View Transmission Fluid →
PRIMARY
V-Twin Primary Fluid
Purpose-built for Harley-Davidson primary chaincases to provide consistent clutch feel, easy neutral selection and protection against chain, gear and bearing wear.
View Primary Fluid →Why Choose AMSOIL for Your Harley-Davidson®?
Resists Extreme Heat
Premium synthetic technology helps maintain protection in the high-temperature conditions common to large V-Twin engines.
Retains Viscosity
Strong resistance to viscosity breakdown helps maintain a protective lubricant film under demanding riding conditions.
Protects Against Wear
Designed to protect heavily loaded engine, transmission and drivetrain components.
Smooth Shifts & Clutch Feel
Dedicated V-Twin transmission and primary lubricants promote positive clutch engagement and smooth, consistent shifting.
AMSOIL V-Twin Oil Change Kits
AMSOIL V-Twin Oil Change Kits combine premium AMSOIL 20W-50 Synthetic V-Twin Motorcycle Oil with an oil filter in one convenient package for popular Harley-Davidson applications.
View Harley-Davidson Oil Change KitsFind the Right AMSOIL Products for Your Harley
AMSOIL offers lubricant options spanning generations of Harley-Davidson V-Twin motorcycles.
| Harley-Davidson Family | Engine | Transmission | Primary Chaincase |
|---|---|---|---|
| Flathead | AMSOIL SAE 60 V-Twin Motorcycle Oil | V-Twin Transmission Fluid or SAE 60 V-Twin Motorcycle Oil | — |
| Knucklehead | AMSOIL SAE 60 V-Twin Motorcycle Oil | V-Twin Transmission Fluid or SAE 60 V-Twin Motorcycle Oil | — |
| Panhead | AMSOIL SAE 60 V-Twin Motorcycle Oil | V-Twin Transmission Fluid or SAE 60 V-Twin Motorcycle Oil | — |
| Shovelhead | AMSOIL SAE 60 V-Twin Motorcycle Oil | V-Twin Transmission Fluid or SAE 60 V-Twin Motorcycle Oil | — |
| Evolution 1340 & Twin Cam | AMSOIL 20W-50 V-Twin Motorcycle Oil | AMSOIL 20W-50 V-Twin Motorcycle Oil* | AMSOIL 20W-50 V-Twin Motorcycle Oil* |
| Ironhead / Evolution Sportster / V-Rod | AMSOIL 20W-50 V-Twin Motorcycle Oil | AMSOIL 20W-50 V-Twin Motorcycle Oil* | AMSOIL 20W-50 V-Twin Motorcycle Oil* |
| Milwaukee-Eight | AMSOIL 20W-50 V-Twin Motorcycle Oil | AMSOIL 20W-50 V-Twin Motorcycle Oil* | AMSOIL 20W-50 V-Twin Motorcycle Oil* |
AMSOIL V-Twin Videos
V-Twin Extreme Heat Torture Test
See how AMSOIL Synthetic V-Twin Motorcycle Oil performs under severe high-temperature conditions in a Harley-Davidson Milwaukee-Eight engine.
Servicing Your Harley-Davidson with AMSOIL
See how AMSOIL V-Twin products and oil change kits make servicing the engine, transmission and primary straightforward.
Protect Every Part of Your Ride.
From extreme engine heat to transmission loads and clutch performance, AMSOIL offers premium synthetic lubrication for your Harley-Davidson from end to end.
Shop AMSOIL V-Twin
