AMSOIL V-Twin Motorcycle Oil

AMSOIL V-Twin Motorcycle Oil delivers premium synthetic protection for the heat, wear and demanding operating conditions of powerful V-twin motorcycles. With lubricant options for many Harley-Davidson®, Indian Motorcycle® and Victory® applications, AMSOIL helps protect engines, transmissions and primary chaincases during everyday riding, stop-and-go traffic and long-distance touring.

Available viscosity grades include 20W-50, 15W-60, 20W-40 and SAE 60, along with dedicated V-Twin
Transmission Fluid and Primary Fluid. Choosing the correct product depends on your motorcycle's year,
make, model, engine and manufacturer-specified lubricant requirements.

Premium Synthetic Protection for V-Twin Motorcycles

V-twin motorcycle engines present unique lubrication challenges. Large-displacement engines can generate significant heat, particularly during slow-speed riding, heavy traffic, hot summer conditions and long-distance touring.

AMSOIL synthetic V-twin oils are formulated to maintain a strong lubricating film under these demanding conditions while resisting viscosity breakdown.

Key benefits include:

Excellent protection against engine wear
Outstanding high-temperature performance
Resists viscosity breakdown and shear
Helps keep engines clean and control deposits
Provides dependable protection during long-distance touring
Designed for demanding air- and liquid-cooled motorcycle engines
Excellent protection for gears and transmissions where specified
Multiple viscosity options for different V-twin motorcycles
Synthetic formulation for severe riding conditions

Oil for Harley-Davidson Motorcycles

AMSOIL offers synthetic lubricants for many Harley-Davidson motorcycles, with AMSOIL 20W-50 Synthetic V-Twin Motorcycle Oil being an important option for applications requiring a 20W-50 viscosity.

Harley-Davidson V-twin engines can operate under substantial heat and load, particularly during long rides, hot-weather operation and stop-and-go traffic. Synthetic oil is designed to maintain protection as operating temperatures increase.

Depending on the year, engine and manufacturer's lubricant specifications, AMSOIL products may be suitable for popular Harley-Davidson models and families including:

Street Glide®
Road Glide®
Road King®
Electra Glide®
Ultra Limited®
Heritage Classic®
Fat Boy®
Low Rider®
Breakout®
Sport Glide®
Softail® models
Touring models
Dyna® models
Sportster® models

Always verify the required viscosity and lubricant specifications for your exact Harley-Davidson year and model before selecting a product.

Oil for Indian Motorcycles

Indian Motorcycle models use different engines and lubrication requirements, so the correct oil viscosity can vary by application.

AMSOIL offers several synthetic V-twin viscosity grades for appropriate Indian applications, including 15W-60 and 20W-40 oils.

Depending on the specific year, engine and manufacturer requirements, applications may include models and families such as:

Indian Scout®
Chief®
Chieftain®
Roadmaster®
Springfield®
Challenger®
Pursuit®
Super Chief®
Chief Bobber®

For example, AMSOIL 15W-60 Synthetic V-Twin Motorcycle Oil is designed for appropriate applications requiring a 15W-60 motorcycle lubricant. Other Indian motorcycles may require 20W-40 or another viscosity.

Check the lubrication requirements for your exact motorcycle before choosing an oil.

Oil for Victory Motorcycles

Victory motorcycles remain popular among riders looking for American V-twin performance. AMSOIL provides synthetic lubricant options for appropriate Victory applications requiring specific motorcycle-oil viscosities.

Models may include:

Victory Cross Country®
Cross Roads®
Vision®
Vegas®
Hammer®
High-Ball®
Judge®

The correct oil depends on the motorcycle's model, year, engine and required viscosity. Selecting the correct lubricant helps provide dependable protection against heat, wear and demanding operating conditions.

Choose the Right V-Twin Oil Viscosity

Motorcycle oil is not one-size-fits-all. The correct viscosity should match the requirements specified for your motorcycle.

AMSOIL offers several V-twin oil options to cover different American motorcycle applications.

AMSOIL 20W-50 Synthetic V-Twin Motorcycle Oil

AMSOIL 20W-50 is a popular choice for many V-twin motorcycles requiring a 20W-50 lubricant, including numerous Harley-Davidson applications.

Its synthetic formulation is designed to provide strong protection against wear and extreme heat while resisting viscosity breakdown under severe mechanical stress.

AMSOIL 15W-60 Synthetic V-Twin Motorcycle Oil

AMSOIL 15W-60 provides synthetic protection for motorcycles requiring a 15W-60 viscosity, including appropriate Indian and Victory applications.

It is engineered to maintain protection across a broad operating-temperature range and under the heavy loads encountered by powerful V-twin engines.

AMSOIL 20W-40 Synthetic V-Twin Motorcycle Oil

AMSOIL 20W-40 is designed for motorcycles requiring a 20W-40 lubricant and is an option for appropriate Indian and Victory applications.

The synthetic formulation provides dependable lubrication while helping protect components from heat and wear.

AMSOIL SAE 60 Synthetic V-Twin Motorcycle Oil

AMSOIL SAE 60 provides a synthetic straight-grade option for motorcycles requiring an SAE 60 lubricant.

Because viscosity requirements vary considerably between motorcycles, confirm that SAE 60 is appropriate for your specific engine and operating requirements before use.

Transmission & Primary Fluids

Many V-twin motorcycles use separate lubrication systems for the engine, transmission and primary chaincase. AMSOIL offers dedicated lubricants designed specifically for these components.

AMSOIL Synthetic V-Twin Transmission Fluid

AMSOIL Synthetic V-Twin Transmission Fluid is formulated specifically for V-twin motorcycle transmissions.

It is designed to protect gears from wear while promoting smooth, quiet operation and consistent shifting.

AMSOIL Synthetic V-Twin Primary Fluid

AMSOIL Synthetic V-Twin Primary Fluid is formulated for motorcycle primary chaincases where specified.

It helps protect the primary drive while supporting consistent clutch engagement and smooth operation.

Using dedicated fluids allows riders to choose a lubricant specifically formulated for the operating requirements of the engine, transmission and primary system when separate fluids are called for.

Which Oil Does My Motorcycle Need?

The best AMSOIL lubricant for a V-twin motorcycle is the product that meets the viscosity and application requirements specified for its exact year, make, model and engine. Find the AMSOIL products you need for your motorcycle here with our easy-to-use motorcycle lookup guide.

V-Twin Motorcycle Oil FAQs

Is AMSOIL a Good Oil for Harley-Davidson Motorcycles?

Yes. AMSOIL manufactures synthetic motorcycle lubricants for many Harley-Davidson applications. AMSOIL 20W-50 Synthetic V-Twin Motorcycle Oil is an option for many Harley-Davidson motorcycles that specify a 20W-50 lubricant. The correct product should always be verified for the motorcycle's exact year, model and engine.

What AMSOIL Oil Should I Use in My Harley-Davidson?

Many Harley-Davidson motorcycles call for a 20W-50 motorcycle oil, making AMSOIL 20W-50 Synthetic V-Twin Motorcycle Oil a common choice. However, lubrication requirements can vary by year, model and component, so riders should verify the specifications for their particular motorcycle.

Does AMSOIL Make Oil for Indian Motorcycles?

Yes. AMSOIL offers synthetic motorcycle oils in viscosity grades used by appropriate Indian Motorcycle applications, including 15W-60 and 20W-40. The correct viscosity depends on the motorcycle's year, model and engine.

What Oil Should I Use in an Indian Scout?

The correct oil for an Indian Scout depends on the model year, engine and manufacturer's specified viscosity. AMSOIL 15W-60 Synthetic V-Twin Motorcycle Oil is an option for appropriate applications requiring 15W-60. Always confirm the specifications for your exact Scout before changing oil.

Does AMSOIL Make Oil for Victory Motorcycles?

Yes. AMSOIL offers synthetic V-twin oils suitable for appropriate Victory motorcycle applications. Because requirements vary among Victory models and years, select the viscosity specified for your particular motorcycle.

Is Synthetic Oil Good for V-Twin Motorcycles?

Synthetic motorcycle oil can provide excellent protection for V-twin engines, particularly under high temperatures and heavy loads. High-quality synthetic lubricants are designed to resist viscosity breakdown, maintain lubricating-film strength and protect critical components under demanding riding conditions.

Why Do V-Twin Motorcycles Run So Hot?

Large-displacement V-twin engines can generate substantial heat, especially during slow-speed riding, idling, heavy traffic and hot-weather operation. Air-cooled engines can be particularly dependent on airflow for cooling. Using the correct high-quality motorcycle lubricant helps protect internal components when temperatures rise.

Can I Use the Same Oil in the Engine, Transmission and Primary?

That depends on the motorcycle and the manufacturer's specifications. Some V-twin motorcycles allow a suitable lubricant to be used in more than one component, while others benefit from or require dedicated engine, transmission and primary fluids. Always follow the lubrication requirements for the specific motorcycle.

What Is the Difference Between V-Twin Engine Oil, Transmission Fluid and Primary Fluid?

Engine oil lubricates internal engine components and helps control heat, friction and deposits. Transmission fluid protects gears and bearings while supporting smooth shifting. Primary fluid lubricates the primary drive and helps support proper clutch operation. Motorcycles with separate systems may have different lubricant requirements for each component.

What Viscosity Motorcycle Oil Should I Use?

Use the oil viscosity specified by the motorcycle manufacturer for your particular year, model and engine. Common V-twin viscosity grades include 20W-50, 15W-60, 20W-40 and SAE 60, but the correct choice depends on the application.

Shop AMSOIL V-Twin Motorcycle Oil

Whether you ride a Harley-Davidson Street Glide, Road Glide or Road King; an Indian Scout, Chief, Chieftain or Roadmaster; a Victory Cross Country; or another American V-twin motorcycle, the right lubricant can play an important role in protecting your investment.

AMSOIL offers synthetic engine oils, transmission fluids and primary fluids engineered for demanding motorcycle operation.

Find the right AMSOIL V-Twin lubricant for your motorcycle and get premium synthetic protection for every mile.