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AMSOIL 20W-50 100% Synthetic V-Twin Motorcycle Oil
Product code : MCVQT-EA
- 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.
AMSOIL 20W-50 100% Synthetic V-Twin Motorcycle Oil
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
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.
AMSOIL 20W-50 100% Synthetic V-Twin Motorcycle Oil
Data Bulletin
Data BulletinsWarranty
SDS
AMSOIL 20W-50 100% Synthetic V-Twin Motorcycle Oil
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The best oil your money can buy !!!By JORGE, a Verified Buyer from Florida. U.S.A. on June 20, 2025Been using this oil in my bike and never have any problem !!!Bottom LineYes, I would recommend this to a friend.Was this review helpful?
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Great Kit!By motoman247, a Verified Buyer from North Carolina on June 18, 2025Great kit that makes it easy, comes with extras that make life better!Bottom LineYes, I would recommend this to a friend.Was this review helpful?
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The right product on timeBy Jay, a Verified Buyer from Canada on June 12, 2025Once I heard this was one of the few oils left with significant zinc content my Yamaha cruiser needs I was sold. Ordered fast and delivered fast. A1Bottom LineYes, I would recommend this to a friend.Was this review helpful?
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Best oil everBy EDWARD, a Verified Buyer from Venus, TX on June 11, 2025I’ve been using AMSoil since a little after it’s inception into the market and I will not go back to any other oils, providing AMSoil stays in business. I use it in all my vehicles, car truck & motorcycle. When I had a gas powered mower, I even used the used oil in my lawn equipment. Needless to say I’m a huge fan and when I did start using it, they had a replacement warranty on any oil related failure. I don’t know if they still have that warranty, but I’ll keep using their oil anyway. Also, when you’re a preferred customer the price is very competitive.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
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The bestBy STEVEN, a Verified Buyer from Massachusetts on June 11, 2025Better shifting transmission quieter running engine what's not to like about AmsoilBottom LineYes, I would recommend this to a friend.Was this review helpful?
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Amsoil 20W-50 100 Synthetic Motorcycle OilBy WILLIAM, a Verified Buyer from Las Vegas on June 10, 2025Outstanding, quality oil for those who want keep their motorcycle motors running longer due to specs that exceed manufacturers standards.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
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Harley oilBy OSCAR, a Verified Buyer from Nakusp, BC Canada on June 10, 2025My go to oil for my 2010 Fatboy Lo. I like the product as I only need to change my oil once a year and my Harley really likes that oilBottom LineYes, I would recommend this to a friend.Was this review helpful?
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Engine, Transmission, Primary Oil All-In-OneBy BootCampBob, a Verified Buyer from Upstate New York on June 10, 2025I've been running a 2022 Indian Challenger 108 Cu In V-Twin on this oil since new / break-in. The bike now has 15,467 miles on it. Indian Motorcycles use engine oil for the clutch / transmission and primary lubrication, as well as the engine, unlike another American V-Twin maker that uses separate fluids for each, so the demand on this oil is critical for Indians. I wouldn't use this oil if it didn't out-perform everything else on the market. Not only does the engine run quieter than when using other oils (including the manufacturer's branded product, and these engines are known for being noisy), the transmission shifts easier as well. I've used AMSOIL Signature Blend in my high performance cars and truck since 2008 with similar results. Using AMSOIL V-Twin Formula 15W60 was an easy decision for my Indian. It hasn't disappointed a bit.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
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my harley davidson go to oilBy DONALD, a Verified Buyer from Lake Charles, LA on June 09, 2025i now have 196000 miles on my 04 roadking. useing amsoil products for trans and engine. went into engine once and never been in the transmission..all goodBottom LineYes, I would recommend this to a friend.Was this review helpful?
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2020 street glide oil chg...By PETE, a Verified Buyer from NH on June 09, 2025I was disappointed this time. The "kit" came with oil, and filter, but no o-ring for the drain plug as clearly pictured and called out in the description. No biggie, just a trip to the NAPA parts store and got the job done. QC at the assembly plant for the kit must've had the day off???? It would be good if there was a "Deluxe" oil change kit that included primary fluid and an extra qt of 20-50 to do the trans.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
