High Performance Synthetic Motorcycle Oil
Get More Horsepower and Double Oil Change Intervals
Outperforms all other conventional and synthetic motorcycle oils. Exclusive new AMSOIL Synthetic Motorcycle Oils provide second-to-none performance and protection for hot-running motorcycle engines, transmissions, and chain cases.
- Increases Power and Performance
- Extends Engine and Transmission Life
- Reduces Operating Temperatures
- Doubles Oil Change Intervals
AMSOIL Video: high speed, medium speed, low speed
AMSOIL Synthetic Motorcycle Oils are premium motor oils designed for those who want the absolute best lubrication for their motorcycles. They are the result of extensive research, and are specially formulated to excel in all areas unique to motorcycles. Including high temperature air-cooled engines, such as Harley Davidson V Twins, very high RPM sport bikes, and the extreme pressures found in motorcycle transmissions.
Reduced Friction, Heat, and Wear = More Horsepower
Engine protection is not sacrificed with AMSOIL Synthetic Motorcycle Oil. It has the best high temperature film strength (see chart below) of all oils tested and contains a heavy treatment of anti-wear additives to reduce friction and wear.
Friction consumes power and creates heat. When it is reduced, more horsepower is produced and the engine runs cooler.
AMSOIL Synthetic Motorcycle Oil is extremely resistant to breakdown and provides superior protection far longer than other oils. It is also engineered to prevent damaging sludge and carbon deposits.
AMSOIL, the leader in synthetic lubrication, produced the world's first API qualified synthetic motor oil in 1972. You can trust the extensive experience of AMSOIL, The First in Synthetics®, to do the best job protecting your motorcycle engine.
If you want maximum performance and the confidence that you have the toughest motorcycle oil, then AMSOIL motorcycle oil is for you.
Service Life
For on road use in engines, transmissions and primary chain cases, change AMSOIL Synthetic Motorcycle Oil and AMSOIL engine oil filter at twice the motorcycle manufacturer change interval or one year, whichever comes first. Change other brand oil filters at standard intervals.
For off road use in engines, transmissions and primary chain cases, change at the standard motorcycle manufacturer change interval.
For racing or in heavily modified engines, no change interval recommendation is made. Oil changes are at the owner's discretion.
Cost Effective
These superior synthetic motorcycle oils costs a few dollars more than most oils. But they last twice as long and can save you up to 50% on oil change expenses. You get maximum performance and the freedom to spend more time riding your bike instead of working on it.
Order some today and feel the difference.
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20W50 Motorcycle Oil High Temperature Viscosity Protection Higher values reflect better film strength ASTM Test Method D-4683 March 16, 2005
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20W50 Motorcycle Oil Wear Comparison ASTM Test Method D-4172 March 16, 2005
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Extreme Pressure Protection for Gears
With AMSOIL MCV, there is no need for separate transmission or primary chain case lubricants. It is absolutely shear stable and will not thin out from mechanical activity. AMSOIL MCV performs like a gear lube without the negative effects of extreme pressure additives. In the FZG gear test, AMSOIL MCV achieved a perfect score with a "zero" wear rating (see photos below).
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FZG Gear Test (ASTM D-5182) AMSOIL 20W50 (MCV)
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FZG Gear Test (ASTM D-5182) Motul 300V 15W50
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Superior Rust Protection
Motorcycles are prone to rust from storage, humidity and short drives. Rust can cause major damage such as roller bearing failure, uncontrolled wear, compression loss and blow-by. Good rust protection, however, comes by design and is not natural to engine oils. Unlike many motorcycle oils, AMSOIL MCV contains special antirust agents. It passes the ASTM D-1748 humidity cabinet rust test and clearly demonstrates superior rust protection.
Excellent Wet Clutch Performance
AMSOIL MCV contains no friction modifiers and promotes smooth shifting and positive clutch engagement. AMSOIL MCV controls heat and prevents slippage and glazing, and its high TBN resists acids that can degrade clutch material, helping improve clutch life.
The Best Motorcycle Oil Filter 
A full-flow filter specifically designed for extended drain intervals and severe service for motorcycle and ATV applications.
Provides superior filtering efficiency, engine protection, and greater capacity than other popular filters.
These filters have the extra capacity to last as long as AMSOIL Synthetic Motorcycle Oil. Change other brand oil filters at standard intervals.
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APPLICATIONS
Performance specifications: API SG, SL / CF, JASO MA, API GL-1
MIXING AMSOIL
AMSOIL Synthetic 20W-50 Motorcycle Oil is compatible with conventional and synthetic motor oils; however, mixing oils may shorten the oil life expectancy and reduce the performance benefits. AMSOIL does not support extended drain intervals where oils have been mixed.
Aftermarket oil additives are not recommended for use with AMSOIL motorcycle oil.
High-Performance Synthetic 2 Stroke Racing Oil for Motorcycle, ATV, Scooter, Snowmobile, and Outboard Motor
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