Top 7 10W40 Motorcycle Oil Full Synthetic – Motor Oils

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1. Valvoline

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Valvoline 4-Stroke Motorcycle Full Synthetic SAE 10W-40 Motor Oil 1 QT

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Valvoline #ad - Excellent wear and corrosion protection to help keep the engine performing its best. Formulated to provide outstanding wet clutch protection for maximum power transfer and smooth shifting. Added protection against harmful deposits that can decrease engine performance. Full synthetic formula helps maximize power and acceleration.
BrandValvoline #ad
ManufacturerValvoline #ad
Height9 Inches
Length4.23 Inches
Weight1.75 Pounds
Width2.65 Inches
Part Number507679
Model507679

2. Quicksilver

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Quicksilver 10W-40 Full Synthetic Motorcycle Oil – 1 Gallon

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Quicksilver #ad - Protection – additives protect against corrosion of internal engine components and provides overall engine wear protection in high heat conditions. Performance - full synthetic formula with excellent film strength to resist shear and oxidation for maximum fluid life. Harsh conditions – optimizes clutch performance even in wet clutch applications. Fits everything – meets or exceeds all major powersports vehicle manufacturer’s warranty requirements. Peace of mind - easy starting and instant cold flow engine protection in low temperatures.
BrandQuicksilver #ad
ManufacturerQuicksilver #ad
Part Number8M0060085
Model8M0060085

3. Castrol

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1 Quart Bottle, 6 Pack 15D1C9, Castrol 06112 POWER 1 4T 10W-40 Synthetic Motorcycle Oil

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Castrol #ad - Exceeds api sl and jASO MA-2. Excellent shear stability to prevent viscosity breakdown. Race derived technology for maximum engine acceleration. Extreme high temperature air-cooled performance and water-cooled engine performance. Formulated with trizone technology to protect all 3 critical zones: engine, clutch and gearbox.
BrandCastrol #ad
ManufacturerCastrol #ad
Weight2 Pounds
Part Number15D1C9
Model15D1C9
WarrantyManufacturer Warranty

4. Maxima

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1 Gallon, Maxima 30-029128 Pro Plus+ 10W-40 Synthetic Motorcycle Engine Oil

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Maxima #ad - Pro plus+ is formulated to exceed JASO MA requirements for 4-cycle engines with integrated wet clutches. Pro plus+ is an ester fortified 100 percent full synthetic 4T engine oil. All weather formula meets or exceeds JASO MA, API SL/SJ/SH/SG. Balanced anti-wear and Anti-scuff additive system minimizes engine deposits while protecting critical engine, transmission and clutch components. Pro plus+ is designed to prolong engine and wet clutch life and offers excellent feel, easy starts, smoother transmission shifting, and improved fuel economy.
BrandMaxima #ad
ManufacturerMaxima #ad
Height4 Inches
Length11.5 Inches
Weight2 Pounds
Width9 Inches
Part Number30-029128
Model30-029128

5. Honda

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1 gal, 10W40, HONDA 08C35-A141L01 Honda Pro GN4 Motor Oil

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Honda #ad - Genuine oEM Honda oil. Honda set the standard for motorcycle oil when it introduced GN4 way back in 1975. 1 gallon, 10W40 Specifically designed for the unique requirements of motorcycle and ATV engines.
BrandHonda #ad
ManufacturerHONDA #ad
Height11 Inches
Length7 Inches
Weight7.5 Pounds
Width3 Inches
Part Number08C35-A141L01
Model08C35-A141L01

6. JHSport

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Kawasaki 4-Stroke Full Synthetic Motorcycle Oil 10W40 Quart 2 Pack

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JHSport #ad - Ultimate engine and bearing wear protection. Ultimate protection & performance in extreme conditions including high RPM, high temperatures and severe cold. Improved starting and oil flow at low temperatures. Ultimate shift quality through enhanced transmission / clutch performance and dependability. Prolonged engine life from improved engine cleanliness, reduced oil volatility, ultimate thermal and oxidation stability.
BrandJHSport #ad
ManufacturerJHSport #ad
Part Numberk61021-207a X2

7. Maxima

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1 Gallon, Maxima 349128B Syn Blend4 10W-40 Motorcycle Engine Oil

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Maxima #ad - Maxima's synthetic blend4 is a blend of ester-based synthetic and petroleum base stocks featuring advanced technology. This special high temperature formula protects critical engine components, reduces wear, temperature, friction, oil consumption and extends drain intervals.

This formula also has extra anti-scuff additives to handle extreme loads and peak temperatures. The use of new anti-shear additives assures viscosity stability for motorcycle 4-cycle engines with integrated transmissions and exceeds both JASO-MA M/C 4T and API SG/CC Specs. For all air and water-cooled 4-cycle gasoline engines with Wet clutches, improves fuel economy, the all weather formula provides easy starts, and smoother transmission shifting.
BrandMaxima #ad
ManufacturerMaxima #ad
Height4.6 Inches
Length12 Inches
Weight7.8 Pounds
Width9 Inches
Part Number349128B
Model349128B