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Best Bike Engine Oils

From leading brands and best sellers available on the web.
#1

Winner

Valvoline 4-Stroke Motorcycle Full

Valvoline

5%OFF

Valvoline 4-Stroke Motorcycle Full Synthetic 10W-40 Motor Oil 1 QT (Pack of 2)

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#2
Castrol Power1 4T 5W-40 Full Synthe

Castrol

10%OFF

Castrol Power1 4T 5W-40 Full Synthetic Motorcycle Oil, 1 Quart, Pack of 6

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#3
Castrol Power1 4T 10W-40 Full Synth

Castrol

Castrol Power1 4T 10W-40 Full Synthetic Motorcycle Oil, 1 Quart, Pack of 6

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#4
Motul 104121 300V Factory Line 4T 1

Motul

24%OFF

Motul 104121 300V Factory Line 4T 10W-40 100% Synthetic Engine Oil 4 Liters Ester Core Technology Racing Motorcycle Motor Lubricant

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#5
Mobil 1 96936 20W-50 V-Twin Synthet

Mobil

5%OFF

Mobil 1 96936 20W-50 V-Twin Synthetic Motocycle Motor Oil - 1 Quart (Pack of 6)

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#6
Mobil 1 98JA11 10W-40 Racing 4T Mot

Mobil 1

8%OFF

Mobil 1 98JA11 10W-40 Racing 4T Motorcycle Oil for Sport Bikes - 1 Quart (Pack of 6)

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#7
Castrol Actevo 10W-40 4T Synthetic

Castrol

Castrol Actevo 10W-40 4T Synthetic Blend Motorcycle Oil, 1 Gallon, Pack of 3

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#8
Valvoline 4-Stroke Powersport Full

Valvoline

Valvoline 4-Stroke Powersport Full Synthetic Motor Oil 1 QT, Case of 6

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#9
Motul 104299 7100 15W-50 Motor Oil

Motul

5%OFF

Motul 104299 7100 15W-50 Motor Oil Full Synthetic Motorcycle Engine Lubricant

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#10
Motul 5100 4T 15W50 Synthetic Blend

Motul

Motul 5100 4T 15W50 Synthetic Blend Oil 4 Liters (104083)

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Buying Guide for the Best Bike Engine Oils

Choosing the right bike engine oil is crucial for maintaining the performance and longevity of your motorcycle. The right oil ensures that your engine runs smoothly, reduces wear and tear, and helps in keeping the engine cool. When selecting an engine oil, it's important to understand the different specifications and how they relate to your bike's needs. Here are the key specs you should consider when picking the best engine oil for your motorcycle.
ViscosityViscosity refers to the thickness of the oil and its ability to flow at different temperatures. It's important because it affects how well the oil can lubricate the engine parts. Viscosity is usually indicated by a number followed by 'W' (e.g., 10W-40). The first number indicates the oil's flow at cold temperatures, while the second number indicates its flow at high temperatures. For colder climates, a lower first number (like 5W) is better, while for hotter climates, a higher second number (like 50) is preferable. Choose the viscosity based on your local climate and the manufacturer's recommendation for your bike.
Type of OilThere are three main types of engine oils: mineral, semi-synthetic, and fully synthetic. Mineral oils are the most basic and are suitable for older bikes or those with simpler engines. Semi-synthetic oils offer a balance between performance and cost, providing better protection and efficiency than mineral oils. Fully synthetic oils offer the highest level of protection and performance, ideal for high-performance or newer bikes. Choose the type of oil based on your bike's age, engine type, and your riding style.
API RatingThe American Petroleum Institute (API) rating indicates the quality and performance level of the oil. It's important because it ensures the oil meets certain standards for engine protection and performance. The rating is usually a combination of letters, such as 'SJ' or 'SL'. Higher letters generally indicate more recent and higher performance standards. Check your bike's manual for the recommended API rating and choose an oil that meets or exceeds this rating.
JASO RatingThe Japanese Automotive Standards Organization (JASO) rating is specifically for motorcycle oils and indicates how well the oil performs in wet clutch systems. This is important because many motorcycles use a wet clutch, where the clutch is immersed in the engine oil. The ratings are MA, MA1, and MA2, with MA2 offering the highest performance for wet clutches. Choose an oil with the appropriate JASO rating based on your bike's clutch system and the manufacturer's recommendation.
AdditivesAdditives are chemicals added to the oil to enhance its performance. They can provide benefits such as improved lubrication, reduced engine wear, and better protection against corrosion. Common additives include detergents, dispersants, and anti-wear agents. While additives can improve oil performance, it's important to choose an oil with additives that match your bike's needs. Refer to your bike's manual and consider your riding conditions to select an oil with the right additives.