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Resists extreme heat to help keep engines clean and efficient
Reduces wear and deposits for maximum engine compression and power
Convenience of one lubricant for all three sumps
Outstanding wet-clutch performance
We offer easy returns for customers. If your product is unused and unopened, you may return it within 30 days for a full refund of the purchase price. View full AMSOIL Return Policy.
We accept Visa, Mastercard, American Express, Discover and PayPal, and provide secure checkout and encrypted payment processing.
Engineered for maximum performance in V-twin engines and motorcycle transmissions. Protects against extreme heat. Wet-clutch compatible. Advanced synthetic formulation resists viscosity loss to keep critical components clean and protected.
Contains heavy treatment of anti-wear additives to reduce wear in the most extreme operating conditions.
Fortified with maximum levels of oxidation inhibitors to fight deposits for maximum engine compression and power.
WITHSTANDS EXTREME HEAT
Formulated with naturally heat-resistant synthetic base oils that resist oxidation in extreme summer heat and during strenuous stop-and-go rally or parade traffic.
Unique additive system helps keep engines clean and running efficiently in the toughest riding conditions.
PROTECTS TRANSMISSIONS
Shear-stable formulation resists thinning from mechanical activity to protect transmissions from wear.
Performs like a gear lube without the negative effects of extreme-pressure additives.
Delivers the convenience of one lubricant for all three sumps.
TRUSTED BY PROFESSIONALS
AMSOIL Synthetic V-Twin Motorcycle Oil is the top choice of hardcore riders everywhere. Here’s what some have to say.
I've been using AMSOIL in my Indian Roadmaster for many years, and I couldn't be happier with the results! The performance has been nothing short of exceptional. The engine runs smoother, and I can feel the difference in power and responsiveness.
AMSOIL's synthetic oils provide excellent protection, even under the toughest riding conditions. I've noticed improved fuel efficiency and reduced engine noise, which makes my rides even more enjoyable.
Overall, I highly recommend AMSOIL to any motorcycle enthusiast looking for top-notch performance and reliability. It's truly a game changer for my Indian Roadmaster!
I have been using your oil in my truck and motorcycle for many years. I love your products! Thank you also for the free stickers!
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
great oil
By 
JARRED, 
a 
Verified Buyer 
on 
June 15, 2026
great oil for Indian scout after 500 mile bike feels better
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Best oil I've found!
By 
SHAWN, 
a 
Verified Buyer 
on 
June 09, 2026
I've been running Amsoil for years and love it!
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Great
By 
RAY, 
a 
Verified Buyer 
on 
June 09, 2026
This product is totally amazing for for Harley Davidson street glide , it runs smoother and it give great protection for the engine , transmission and primary as well , I highly recommend it
What a HUGE change from Harley Syn 3, i was able to get an entire case of AMS Oil for what 1 Oil Change Kit form Harley cost!! I was able to change 2 Bikes oil with this 1 case. Awesome Product and Pricing will be buying again!
Resists extreme heat to help keep engines clean and efficient
Reduces wear and deposits for maximum engine compression and power
Convenience of one lubricant for all three sumps
Outstanding wet-clutch performance
We offer easy returns for customers. If your product is unused and unopened, you may return it within 30 days for a full refund of the purchase price. View full AMSOIL Return Policy.
We accept Visa, Mastercard, American Express, Discover and PayPal, and provide secure checkout and encrypted payment processing.
Engineered for maximum performance in V-twin engines and motorcycle transmissions. Protects against extreme heat. Wet-clutch compatible. Advanced synthetic formulation resists viscosity loss to keep critical components clean and protected.
Contains heavy treatment of anti-wear additives to reduce wear in the most extreme operating conditions.
Fortified with maximum levels of oxidation inhibitors to fight deposits for maximum engine compression and power.
WITHSTANDS EXTREME HEAT
Formulated with naturally heat-resistant synthetic base oils that resist oxidation in extreme summer heat and during strenuous stop-and-go rally or parade traffic.
Unique additive system helps keep engines clean and running efficiently in the toughest riding conditions.
PROTECTS TRANSMISSIONS
Shear-stable formulation resists thinning from mechanical activity to protect transmissions from wear.
Performs like a gear lube without the negative effects of extreme-pressure additives.
Delivers the convenience of one lubricant for all three sumps.
TRUSTED BY PROFESSIONALS
AMSOIL Synthetic V-Twin Motorcycle Oil is the top choice of hardcore riders everywhere. Here’s what some have to say.
I've been using AMSOIL in my Indian Roadmaster for many years, and I couldn't be happier with the results! The performance has been nothing short of exceptional. The engine runs smoother, and I can feel the difference in power and responsiveness.
AMSOIL's synthetic oils provide excellent protection, even under the toughest riding conditions. I've noticed improved fuel efficiency and reduced engine noise, which makes my rides even more enjoyable.
Overall, I highly recommend AMSOIL to any motorcycle enthusiast looking for top-notch performance and reliability. It's truly a game changer for my Indian Roadmaster!
I have been using your oil in my truck and motorcycle for many years. I love your products! Thank you also for the free stickers!
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
great oil
By 
JARRED, 
a 
Verified Buyer 
on 
June 15, 2026
great oil for Indian scout after 500 mile bike feels better
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Best oil I've found!
By 
SHAWN, 
a 
Verified Buyer 
on 
June 09, 2026
I've been running Amsoil for years and love it!
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Great
By 
RAY, 
a 
Verified Buyer 
on 
June 09, 2026
This product is totally amazing for for Harley Davidson street glide , it runs smoother and it give great protection for the engine , transmission and primary as well , I highly recommend it
What a HUGE change from Harley Syn 3, i was able to get an entire case of AMS Oil for what 1 Oil Change Kit form Harley cost!! I was able to change 2 Bikes oil with this 1 case. Awesome Product and Pricing will be buying again!
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