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AMSOIL 20W-50 100% Synthetic V-Twin Motorcycle Oil
Premium Protection for V-Twin Motorcycles
AMSOIL 20W-50 Synthetic V-Twin Motorcycle Oil is designed for riders who demand the best protection.
This oil is specially formulated for air-cooled engines like Harley-Davidson® V-twins.
It excels in wet-clutch lubrication, extreme-pressure gear and chain areas, and rust prevention.
Perfect for both domestic and foreign motorcycles, it meets the highest performance standards.
AMSOIL 20W-50 100% Synthetic V-Twin Motorcycle Oil
Engine Wear and Deposit Reduction
High-Performance Lubricant for Engines, Transmissions, and Primary Chaincases
Heat Resistance and Oxidation Control
Big V-twin engines run hot, especially in stop-and-go traffic or during parades.
AMSOIL Synthetic V-Twin Oil uses heat-resistant synthetic base oils to prevent oxidation.
Anti-Wear Additives for Maximum Protection
This oil contains heavy anti-wear treatments to reduce engine wear in all conditions.
In tests, it protected piston rings from deposits and prevented piston scuffing.
This ensures maximum compression, power, and engine longevity.
Superior Transmission and Primary Chaincase Protection
Shear Stability and Viscosity Retention
AMSOIL V-Twin Oil resists thinning from mechanical stress.
It performs like a gear lube without the downsides of harsh extreme-pressure additives.
Enhanced Gear and Compensator Wear Protection
Provides better protection than Harley-Davidson Screamin’ Eagle SYN3.
Protects compensator gears and transmission parts for long-lasting performance.
Outstanding Rust and Corrosion Defense
Rust Risk in Motorcycles
Short rides, storage, and humidity cause rust in motorcycles.
Rust leads to roller-bearing failure, wear, compression loss, and blow-by.
Special Anti-Rust Agents
AMSOIL Synthetic V-Twin Oil includes unique anti-rust additives.
It passes ASTM D1748 humidity cabinet rust tests for proven rust protection.
This keeps your engine and components clean and corrosion-free over time.
Summary
AMSOIL 20W-50 Synthetic V-Twin Motorcycle Oil offers exceptional lubrication and protection.
It keeps V-twin engines cool, clean, and running smoothly under extreme conditions.
Choose AMSOIL for reliable transmission, clutch, and rust protection you can trust.
AMSOIL SAE 60 100% Synthetic V-Twin Motorcycle Oil
Premium Lubrication for V-Twin Motorcycles
AMSOIL SAE 60 Synthetic V-Twin Motorcycle Oil delivers top-tier lubrication.
It is designed for riders who demand the best protection for their motorcycles.
Developed through extensive research, it excels in all motorcycle-specific needs.
This includes high engine RPM, wet-clutch lubrication, and extreme-pressure gear areas.
It also prevents rust caused by short drives and storage.
AMSOIL SAE 60 100% Synthetic V-Twin Motorcycle Oil
Superior Heat Resistance and Wear Protection
Exceptional Thermal Stability
This oil features superior heat resistance and film strength.
It maintains viscosity and oil pressure even at elevated temperatures.
Heavy Anti-Wear Additives
AMSOIL SAE 60 contains heavy anti-wear treatments to protect your engine.
It prevents wear regardless of harsh operating conditions.
The oil resists oxidation and breakdown to keep your engine clean.
Extreme-Pressure Protection for Gears and Chains
Multi-Functional Gear Lubricant
No need for separate transmission oil with this product.
It meets SAE 140 and API GL-1 gear oil requirements.
Shear Stability and Viscosity Retention
The oil is shear stable and resists thinning from mechanical stress.
It protects gears, chains, and transmissions from wear and damage.
Trusted Synthetic Lubrication from AMSOIL
Since 1972, AMSOIL has led synthetic oil innovation.
They produced the world’s first API-qualified synthetic motor oil.
Trust AMSOIL, The First in Synthetics®, for ultimate motorcycle protection.
Summary
AMSOIL SAE 60 Synthetic V-Twin Motorcycle Oil offers unmatched protection for V-twin engines and transmissions.
Its advanced formula reduces friction, resists heat, and protects against wear and rust.
Choose AMSOIL for reliable performance on every ride.
AMSOIL 15W-60 100% Synthetic V-Twin Motorcycle Oil
Designed for Maximum Protection and Performance
AMSOIL Synthetic V-Twin Motorcycle Oil is specially formulated for riders who demand the best.
It is developed through extensive research to meet the unique needs of motorcycles.
This oil performs exceptionally in air-cooled engines, wet-clutch systems, and extreme-pressure gear regions.
It also offers superior rust protection for bikes exposed to storage and short rides.
AMSOIL 15W-60 100% Synthetic V-Twin Motorcycle Oil
Superior Friction, Heat, and Wear Reduction
High-Temperature Film Strength
AMSOIL Synthetic V-Twin Oil exceeds industry standards for high-heat film strength.
It protects critical engine components even under extreme conditions.
Heavy Anti-Wear Additives
Contains a heavy treatment of anti-wear additives to reduce engine wear.
The formula is thermally stable and resists oxidation and breakdown.
It prevents sludge and carbon deposits, keeping your engine clean and efficient.
Advanced Gear and Chain Protection
Shear Stability and Lubrication
This oil is shear stable and resists viscosity thinning from mechanical forces.
It performs like a dedicated gear lubricant without harming wet-clutch performance.
Clutch-Friendly Formulation
Unlike oils with harsh extreme-pressure additives, AMSOIL Synthetic V-Twin Oil ensures smooth clutch engagement.
Controls heat to prevent slippage and glazing for longer clutch life.
Outstanding Rust and Corrosion Defense
Rust Risks for Motorcycles
Storage, humidity, and short rides increase rust risk in motorcycle engines.
Rust can cause wear, compression loss, and blow-by, damaging engine longevity.
Special Anti-Rust Agents
AMSOIL Synthetic V-Twin Motorcycle Oil includes unique rust inhibitors.
It delivers outstanding protection against rust and corrosion to keep your engine safe.
Emission-System Compatibility
This oil meets requirements for catalytic converter protection.
It is suitable for motorcycles equipped with emission control systems.
Summary
AMSOIL 15W-60 and 20W-40 Synthetic V-Twin Motorcycle Oil delivers premium engine and transmission protection.
Its advanced formula reduces wear, controls heat, prevents rust, and protects emissions systems.
Choose AMSOIL for reliable, high-performance lubrication tailored for Victory® and Indian® motorcycles.
AMSOIL 20W-40 100% Synthetic V-Twin Motorcycle Oil
Maximum Performance and Confidence for Riders
AMSOIL 15W-60 and 20W-40 Synthetic V-Twin Motorcycle Oil provides Indian and Victory riders with superior protection.
It offers a premium alternative to costly manufacturer-branded oils.
Designed to deliver maximum engine and transmission performance in demanding conditions.
AMSOIL 20W-40 100% Synthetic V-Twin Motorcycle Oil
Engine Protection: Reduces Friction, Heat, and Wear
High-Temperature Film Strength
AMSOIL Synthetic V-Twin Oil exceeds standards for heat resistance.
It protects critical engine components in extreme heat and high RPMs.
Advanced Anti-Wear Additives
Contains heavy anti-wear treatments to reduce engine wear under all conditions.
Thermally stable with maximum oxidation inhibitors to prevent sludge and deposits.
Keeps engines clean for lasting performance.
Gear and Chain Anti-Wear Protection
Shear Stability
The oil is shear stable and resists thinning caused by mechanical stress.
Performs like a gear lubricant without harsh extreme-pressure additives.
Wet-Clutch Friendly
Protects wet clutches by avoiding friction modifier issues.
Ensures smooth shifting and positive clutch engagement.
Superior Rust and Corrosion Defense
Rust Risks in Motorcycles
Short rides, storage, and humidity cause rust in motorcycle engines.
Rust leads to wear, compression loss, and engine damage.
Special Anti-Rust Agents
AMSOIL Synthetic V-Twin Oil includes unique rust inhibitors.
Delivers outstanding protection against rust and corrosion.
Emission System and Warranty Compatibility
Catalytic Converter Safe
Meets emission-system protection requirements for motorcycles with catalytic converters.
Warranty Secure™ Protection
AMSOIL Synthetic V-Twin Oil keeps factory warranties intact.
Backed by AMSOIL’s Limited Warranty for peace of mind.
Applications and Specifications
- Use in motorcycles requiring 20W-40 oil, including Victory® and Indian® models
- Meets specifications: JASO MA, API SM, ILSAC GF-4
Compatibility and Service Life
Oil Compatibility
Compatible with conventional and synthetic oils but mixing reduces benefits.
AMSOIL does not support extended drain intervals if oils are mixed.
Avoid aftermarket oil additives with AMSOIL Synthetic V-Twin Oil.
Service Life Recommendations
- On-road: Up to twice the manufacturer-recommended interval or one year with AMSOIL Ea® filter
- Off-road: Follow standard manufacturer intervals
- Racing/modified engines: Change interval at owner’s discretion
Summary
AMSOIL 20W-40 Synthetic V-Twin Motorcycle Oil offers high-performance protection and reliability.
Its advanced formula reduces wear, controls heat, protects gears, and resists rust.
Choose AMSOIL for long-lasting, warranty-safe lubrication for your V-twin motorcycle.
100% Synthetic Metric Motorcycle Oil
Why Choose AMSOIL Synthetic Metric Motorcycle Oil?
AMSOIL Synthetic Metric Motorcycle Oil is crafted for metric motorcycle owners who demand top-tier lubrication.
It delivers enhanced performance, premium wear protection, and reliable transmission operation.
This oil is Warranty Secure™ — it will not void your motorcycle’s warranty.
Outstanding Features and Benefits
Reduces Friction, Heat, and Wear
This oil is thermally stable at high temperatures.
It prevents sludge and carbon deposits, keeping your engine clean.
Premium anti-wear additives reduce engine wear in all conditions.
Controls Clutch Performance and Heat
AMSOIL Synthetic Metric Motorcycle Oil controls heat effectively.
It eliminates glazing for positive clutch engagement and extends clutch life.
No friction modifiers ensure smooth shifting and optimal transmission protection.
Advanced Foam Control
High RPMs cause oil foaming, which damages engine components.
This oil contains advanced foam control agents to protect gears and surfaces.
Foam reduction helps prevent wear and maintains performance under stress.
Superior Rust and Corrosion Protection
Special anti-corrosion agents protect during storage and inactivity.
The high 11.6 Total Base Number (TBN) neutralizes acids that cause corrosion.
This oil helps keep internal engine parts clean and rust-free over time.
AMSOIL 10W-40 100% Synthetic Metric Motorcycle Oil
Superior Protection for Engines and Transmissions
AMSOIL 10W-40 Synthetic Metric Motorcycle Oil is specially formulated for four-stroke sport bikes, cruisers, touring, and adventure motorcycles.
It delivers maximum performance in both engines and transmissions.
Wet-clutch compatible for smooth, reliable shifting and confident ride control.
AMSOIL 10W-40 100% Synthetic Metric Motorcycle Oil
Outstanding Heat Resistance and Wear Reduction
High-Temperature Film Strength
This oil surpasses industry standards for heat resistance, maintaining strong film strength to protect engine parts.
Advanced Anti-Wear Formula
Loaded with anti-wear additives, it reduces engine wear under all conditions.
Prevents sludge and carbon deposits, ensuring superior engine cleanliness and longevity.
Enhanced Clutch and Shift Performance
Friction Modifier Free
Free of friction modifiers, this oil promotes smooth, positive clutch engagement.
Designed to reduce heat and prevent clutch slippage or glazing.
Long Clutch Life
Protects the clutch system for extended life, even under aggressive riding conditions.
Reliable Foam Control
Advanced anti-foam agents prevent oil foaming during high-RPM riding.
This ensures consistent lubrication and protects critical components under extreme conditions.
Allows riders to push performance confidently and safely.
Learn More
For detailed specifications, refer to the product data sheet.
AMSOIL 5W-40 100% Synthetic Metric Motorcycle Oil
Designed for Four-Stroke Metric Motorcycles
AMSOIL 5W-40 Synthetic Metric Motorcycle Oil is engineered for sport bikes, cruisers, touring, and adventure motorcycles.
It provides superior lubrication for both engines and transmissions.
Fully wet-clutch compatible to ensure smooth, reliable gear changes and confident riding.
AMSOIL 5W-40 100% Synthetic Metric Motorcycle Oil
Exceptional Protection Against Heat and Wear
Superior High-Temperature Film Strength
This oil surpasses industry benchmarks for film strength at elevated temperatures, ensuring robust wear protection.
Powerful Anti-Wear Additives
Formulated with a heavy dose of anti-wear agents, it minimizes engine wear in all riding conditions.
Its advanced chemistry resists volatility and prevents sludge buildup and carbon deposits.
Clutch Performance and Smooth Shifting
Friction Modifier Free Formula
Free from friction modifiers, it supports seamless clutch engagement and shifting.
Specifically designed to control heat and reduce clutch slippage and glazing.
Extended Clutch Durability
Helps maintain clutch health for longer life under rigorous riding scenarios.
Effective Foam Control for Reliable Lubrication
Incorporates cutting-edge anti-foam additives to prevent oil foaming during high-RPM conditions.
Ensures steady oil film and wear protection so riders can push their motorcycles with confidence.
Additional Information
For complete specifications, please consult the product data sheet.
AMSOIL 10W-30 100% Synthetic Metric Motorcycle Oil
Precision-Engineered for Four-Stroke Metric Bikes
AMSOIL 10W-30 Synthetic Metric Motorcycle Oil delivers superior performance for sport bikes, cruisers, touring, and adventure motorcycles.
It’s formulated to protect both engines and transmissions under demanding conditions.
Fully compatible with wet-clutch systems for smooth, reliable gear engagement.
AMSOIL 10W-30 100% Synthetic Metric Motorcycle Oil
Excellent Heat and Wear Protection
Outstanding High-Temperature Film Strength
This oil outperforms standard benchmarks for heat-resistant film strength, ensuring durable engine protection.
Heavy-Duty Anti-Wear Chemistry
Contains potent anti-wear additives to minimize engine wear across all riding styles.
Designed to resist volatility and prevent sludge and carbon buildup for cleaner engine internals.
Smooth Shifting and Clutch Reliability
Free from Friction Modifiers
Formulated without friction modifiers to promote smooth clutch engagement and gear shifts.
Controls clutch heat and prevents slippage and glazing for longer clutch life.
Enhanced Clutch Longevity
Supports consistent clutch performance, even in high-stress riding conditions.
Superior Foam Control
Advanced anti-foam agents prevent oil foaming at high engine speeds.
Ensures steady lubrication and reliable wear protection, allowing riders to push their bikes hard.
Additional Details
Refer to the product data sheet for complete technical specifications and usage recommendations.
AMSOIL 15W-50 100% Synthetic Metric Motorcycle Oil
Precision-Formulated for Four-Stroke Metric Motorcycles
AMSOIL 15W-50 Synthetic Metric Motorcycle Oil is engineered for sport bikes, cruisers, touring, and adventure motorcycles.
It delivers exceptional protection and performance for both engines and transmissions.
Fully compatible with wet-clutch systems to ensure smooth and reliable shifting.
AMSOIL 15W-50 100% Synthetic Metric Motorcycle Oil
Superior Heat Management and Wear Reduction
Exceptional High-Temperature Film Strength
This oil exceeds industry standards for heat resistance, offering superior engine wear protection.
Robust Anti-Wear Additives
Formulated with heavy anti-wear treatments that reduce engine wear under all conditions.
Highly resistant to volatility, it prevents sludge and carbon deposits to maintain engine cleanliness.
Smooth Clutch Operation and Shift Performance
Friction Modifier-Free Formula
Contains no friction modifiers, promoting smooth clutch engagement and positive shifting.
Designed to control heat and reduce clutch slippage and glazing for extended clutch life.
Long-Lasting Clutch Protection
Supports durable clutch performance, even during aggressive riding.
Effective Foam Control for Consistent Protection
Advanced anti-foam additives help prevent oil foaming under high RPM conditions.
This ensures reliable lubrication and wear protection, enabling riders to push their motorcycles confidently.
Additional Information
Consult the product data sheet for full technical details and recommendations.
AMSOIL Motorcycle Octane Boost
Maximize Engine Power and Performance
AMSOIL Motorcycle Octane Boost increases gasoline octane by up to three numbers when added to 4–6 gallons of fuel.
This boost helps eliminate engine knock or ping, especially during low-rpm operation.
Improved octane supports maximum power and smoother startup performance.
AMSOIL Motorcycle Octane Boost
Improve Low-RPM Operation and Knock Control
Reduced Engine Knock and Ping
Engine knock can reduce power and damage your motorcycle’s engine.
AMSOIL Octane Boost minimizes knock, reducing the need for knock-detection systems to adjust spark timing or air-fuel mixture.
Optimized Low-RPM Power
Ensures confident, smooth power delivery at idle and low speeds.
Helps maintain peak performance in modern motorcycles with advanced engine controls.
Maintain Clean Combustion Chambers and Fuel Systems
Powerful Detergent Formula
Contains active detergents that clean combustion chambers and fuel delivery systems.
Improved cleanliness boosts fuel efficiency and engine reliability.
Complementary Fuel Additives
For enhanced cleaning, AMSOIL recommends using AMSOIL Quickshot® fuel additive alongside Octane Boost.
Safe for Emission Systems and Compatibility
Compatible with all AMSOIL fuel additives.
At the recommended treat rate, it does not harm catalytic converters or oxygen sensors.
Safe for use in motorcycles equipped with emission control systems.
Additional Information
Refer to the product data sheet for full technical details and usage guidelines.
Summary
AMSOIL Motorcycle Octane Boost delivers enhanced power, efficiency, and engine protection.
Its advanced formula raises octane, eliminates knock, and cleans fuel systems.
Trust AMSOIL to keep your motorcycle running strong and efficient.
Summary
AMSOIL 100% Synthetic Metric Motorcycle Oil offers superior lubrication for metric motorcycles.
Its advanced formula ensures engine cleanliness, clutch performance, and corrosion protection.
Choose AMSOIL for reliability, warranty security, and lasting motorcycle performance.
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