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AMSOIL 20W-50 100% Synthetic V-Twin Motorcycle OilQuart Bottle
Product code : MCVQT-EA
AMSOIL 20W-50 100% Synthetic V-Twin Motorcycle OilQuart Bottle
Product code : MCVQT-EA
Current price:
$18.49
Retail Price
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Estimated delivery by Mon, Oct 12
to Columbus - 43215.
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- Resists viscosity breakdown 6X better than Harley-Davidson* SYN3* for improved protection against compensator and transmission gear wear.1
- 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.
*All trademarked names and images are the property of their respective owners and may be registered marks in some countries. No affiliation or endorsement claim, express or implied, is made by their use.
1Based on testing of AMSOIL 20W-50 Synthetic V-Twin Motorcycle Oil and Harley-Davidson Screamin’ Eagle SYN3 purchased on 1/26/24 in the CEC L45-KRL, ASTM D445 test.
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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.
About this item
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Engineered for maximum performance in V-twin engines, motorcycle transmissions and primary chaincases. Protects against extreme heat. Wet-clutch compatible. Advanced synthetic formulation resists viscosity loss to keep critical components clean and protected.
See the Product Data Bulletin for full details.
REDUCES WEAR & DEPOSITS
- Resists viscosity breakdown 6X better than Harley-Davidson SYN3 for improved protection against compensator and transmission gear wear.1
- 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.
Resists Viscosity Breakdown
AMSOIL resists viscosity breakdown 6X better than Harley-Davidson SYN3 for improved protection against compensator and transmission gear wear.1
![AMSOIL Resists Viscosity Breakdown six times better than Harley-Davidson SYN3 for improved protection against compensator and transmission gear wear.]( "AMSOIL Resists Viscosity Breakdown six times better than Harley-Davidson SYN3 for improved protection against compensator and transmission gear wear.")
1Based on testing of AMSOIL 20W-50 Synthetic V-Twin Motorcycle Oil and Harley-Davidson Screamin’ Eagle SYN3 purchased on 1/26/24 in the CEC L45-KRL, ASTM D445 test.
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.
- Prevented piston-ring sticking and protected against piston scuffing after 1,000 miles (1,609 km) of extreme-heat dyno testing during which cylinder temperatures reached 421°F (216°C) (see video below).
PROTECTS TRANSMISSIONS & PRIMARIES
- Shear-stable formulation resists thinning from mechanical activity to protect transmissions and primaries 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.
See the Product Data Bulletin for full details.
*All trademarked names and images are the property of their respective owners and may be registered marks in some countries. No affiliation or endorsement claim, express or implied, is made by their use.
-
-
-
star rating
SAE 20W-50By PAUL, a Verified Buyer from Myrtle Beach SC on October 06, 2026I changed the oil in my 2025 Harley Davidson Street. The first thing I noticed the bike diffently ran quieter on the first start up. Since that time I have ridden about 2000 miles . I very happy with the oil and will continue to use in the future.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Well worth the moneyBy RAYMOND, a Verified Buyer on October 06, 2026Harley wanted 400 for an oil change. I spent 135 on AMS oil. My bike runs better shifts better. Will be buying more for both of my cars now.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Love this oil for my harley davidson bikeBy WIll, a Verified Buyer from New mexico on October 06, 2026I trust amsoil in my harley davidson bike hands down I live in the desert and need that extra protection and this product is top tier A+Was this review helpful?
-
star rating
Great oilBy THOMAS, a Verified Buyer from Quebec Canada on October 06, 2026Always used Amsoil for years, this package includes cardboard funnel, rubber o-ring, filter and a top quality filter even rubber gloves to keep you clean. A good one stop shop.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
V-Twin MC OilBy Joe, a Verified Buyer from FLorida on October 06, 2026Keeps things running smooth and cool. Won't run anything else in my bikes.Was this review helpful?
-
star rating
Best oilBy MATTHEW, a Verified Buyer from Three Rivers, MI on October 04, 2026When I bought my 1st dirtbike I heard of Amsoil. I did some research on the company and gave it a try. Been using it in everything I own, ever since. I recommend Amsoil to evetmyone I know. I enjoy the courtesy kit with every order. A funnel, gloves, Amsoil sticker, and a oil change reminder window sticker. Best oil on the market, hands down. Keep doin what you do Amsoil!Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Very impressedBy BRIAN, a Verified Buyer on October 01, 20262020 Indian Challenger, quieted the engine down, cooler engine temps.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Awesome oilBy ERIC, a Verified Buyer from Montebello on October 01, 2026Love this oil. Made my bike run a lot smoother, especially going out of state a lot.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
#1 Oil in the industryBy DANIEL, a Verified Buyer from North Carolina on September 29, 2026I've been using Amsoil on my 25 Road Glide CVO ST for over a year now. Amsoil is clinically proven to be the best for Harley Big Twins.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
ValueBy NATHANIEL, a Verified Buyer from Auburn Indiana on September 29, 2026Amsoil is a great product and a great value for the quality product they produce. Switched from redline to Amsoil with no regrets .Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Data Bulletins-
- Resists viscosity breakdown 6X better than Harley-Davidson* SYN3* for improved protection against compensator and transmission gear wear.1
- 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.
*All trademarked names and images are the property of their respective owners and may be registered marks in some countries. No affiliation or endorsement claim, express or implied, is made by their use.
1Based on testing of AMSOIL 20W-50 Synthetic V-Twin Motorcycle Oil and Harley-Davidson Screamin’ Eagle SYN3 purchased on 1/26/24 in the CEC L45-KRL, ASTM D445 test.
-
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, motorcycle transmissions and primary chaincases. Protects against extreme heat. Wet-clutch compatible. Advanced synthetic formulation resists viscosity loss to keep critical components clean and protected.
See the Product Data Bulletin for full details.
REDUCES WEAR & DEPOSITS
- Resists viscosity breakdown 6X better than Harley-Davidson SYN3 for improved protection against compensator and transmission gear wear.1
- 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.
Resists Viscosity Breakdown
AMSOIL resists viscosity breakdown 6X better than Harley-Davidson SYN3 for improved protection against compensator and transmission gear wear.1
![AMSOIL Resists Viscosity Breakdown six times better than Harley-Davidson SYN3 for improved protection against compensator and transmission gear wear.]( "AMSOIL Resists Viscosity Breakdown six times better than Harley-Davidson SYN3 for improved protection against compensator and transmission gear wear.")
1Based on testing of AMSOIL 20W-50 Synthetic V-Twin Motorcycle Oil and Harley-Davidson Screamin’ Eagle SYN3 purchased on 1/26/24 in the CEC L45-KRL, ASTM D445 test.
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.
- Prevented piston-ring sticking and protected against piston scuffing after 1,000 miles (1,609 km) of extreme-heat dyno testing during which cylinder temperatures reached 421°F (216°C) (see video below).
PROTECTS TRANSMISSIONS & PRIMARIES
- Shear-stable formulation resists thinning from mechanical activity to protect transmissions and primaries 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.
See the Product Data Bulletin for full details.
*All trademarked names and images are the property of their respective owners and may be registered marks in some countries. No affiliation or endorsement claim, express or implied, is made by their use.
-
-
-
star rating
SAE 20W-50By PAUL, a Verified Buyer from Myrtle Beach SC on October 06, 2026I changed the oil in my 2025 Harley Davidson Street. The first thing I noticed the bike diffently ran quieter on the first start up. Since that time I have ridden about 2000 miles . I very happy with the oil and will continue to use in the future.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Well worth the moneyBy RAYMOND, a Verified Buyer on October 06, 2026Harley wanted 400 for an oil change. I spent 135 on AMS oil. My bike runs better shifts better. Will be buying more for both of my cars now.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Love this oil for my harley davidson bikeBy WIll, a Verified Buyer from New mexico on October 06, 2026I trust amsoil in my harley davidson bike hands down I live in the desert and need that extra protection and this product is top tier A+Was this review helpful?
-
star rating
Great oilBy THOMAS, a Verified Buyer from Quebec Canada on October 06, 2026Always used Amsoil for years, this package includes cardboard funnel, rubber o-ring, filter and a top quality filter even rubber gloves to keep you clean. A good one stop shop.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
V-Twin MC OilBy Joe, a Verified Buyer from FLorida on October 06, 2026Keeps things running smooth and cool. Won't run anything else in my bikes.Was this review helpful?
-
star rating
Best oilBy MATTHEW, a Verified Buyer from Three Rivers, MI on October 04, 2026When I bought my 1st dirtbike I heard of Amsoil. I did some research on the company and gave it a try. Been using it in everything I own, ever since. I recommend Amsoil to evetmyone I know. I enjoy the courtesy kit with every order. A funnel, gloves, Amsoil sticker, and a oil change reminder window sticker. Best oil on the market, hands down. Keep doin what you do Amsoil!Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Very impressedBy BRIAN, a Verified Buyer on October 01, 20262020 Indian Challenger, quieted the engine down, cooler engine temps.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Awesome oilBy ERIC, a Verified Buyer from Montebello on October 01, 2026Love this oil. Made my bike run a lot smoother, especially going out of state a lot.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
#1 Oil in the industryBy DANIEL, a Verified Buyer from North Carolina on September 29, 2026I've been using Amsoil on my 25 Road Glide CVO ST for over a year now. Amsoil is clinically proven to be the best for Harley Big Twins.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
ValueBy NATHANIEL, a Verified Buyer from Auburn Indiana on September 29, 2026Amsoil is a great product and a great value for the quality product they produce. Switched from redline to Amsoil with no regrets .Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
