Top 10 Best 10-40 Motorcycle Oil

1 gallon, 10W40. Genuine OEM Honda oil. HONDA set the standard for motorcycle oil when it introduced GN4 way back in 1975. specifically designed for the unique requirements of motorcycle and ATV engines..

Yamalube OEM Factory 4 Stroke All Purpose Oil. Performance-Blend is Suitable for use in Motorcycles, ATVs, Side-by-Side Vehicles, and Scooters. Mineral Oil Provides Stable Clutch Performance and Strength to Protect the Engine from Wear and Tear. Oil Meets or Exceeds the JASO MA Requirements. Genuine OEM Yamaha Product.

Full Synthetic Formula Helps Maximize Power And Acceleration. Formulated To Provide Outstanding Wet Clutch Protection For Maximum Power Transfer And Smooth Shifting. Added Protection Against Harmful Deposits That Can Decrease Engine Performance. Excellent Wear And Corrosion Protection To Help Keep The Engine Performing Its Best.

PERFORMANCE - Full synthetic formula with excellent film strength to resist shear and oxidation for maximum fluid life. PROTECTION Additives protect against corrosion of internal engine components and provides overall engine wear protection in high heat conditions. PEACE OF MIND - Easy starting and instant cold flow engine protection in low temperatures. HARSH CONDITIONS Optimizes clutch performance even in wet clutch applications. FITS EVERYTHING Meets or exceeds all major powersports vehicle manufacturers warranty requirements.

Formulated with proprietary Synerlec additive chemisty providing 3X to 4X the load carrying capacity of other synthetic engine oils. High film strength protects buckets, crankshafts and reduces piston scuffing. Superior rust and corrosion protection. Cooler operation and less parasitic power loss. Meets the requirements of JASO MA2 for wet clutch compatibility. Flash Point 204.00 Degrees Celsius. Fit Type Vehicle Specific.

Full synthetic formula helps maximize power and acceleration. Formulated to provide outstanding wet clutch protection for maximum power transfer and smooth shifting. Added protection against harmful deposits that can decrease engine performance. Excellent wear and corrosion protection to help keep the engine performing its best.

Maxima's Premium4 is a superior product featuring advanced additive technology in the development of highly stable and long life multi-grade motorcycle specific oil. By using an exclusive blend of petroleum base stocks and advanced anti-wear, anti-shear additives, this product assures viscosity stability for all air and water-cooled 4-cycle engines with integrated transmissions. This formula also has extra anti-scuff additives to handle extreme loads and peak temperatures in high performance engines. Formulated for Wet clutches, the all weather formula reduces friction and engine temperatures and makes for easier starts. Crafted from a premium petroleum base, Premium4 is Turbo certified, exceeding all JASO-MA MC 4T and API SGCC Specs.

Proprietary Synerlec technology elevates film strength to 3X to 4X that of other synthetic engine oils for outstanding valvetrain protection. Formulated with up to 30 more anti-wear chemistry than other conventional and synthetic spec engine oils. Superior corrosion protection. Improved sealing between the piston ring and cylinder wall maximizes horsepower and torque and optimizes fuel economy. Exceptionally high film strength for dramatic reductions in engine wear and reduced engine heat to extend the life of your engine.

Formulated with Trizone technology to protect all 3 critical zones engine, clutch and gearbox. Race derived technology for maximum engine acceleration. Extreme high temperature air-cooled performance and water-cooled engine performance. Excellent shear stability to prevent viscosity breakdown. Exceeds API SL and JASO MA-2.

Formulated with Trizone technology to protect all 3 critical zones engine, clutch and gearbox. Active Protection Molecules APM are a new ingredient that enhance the lubricant's ability to cling to vital engine components. Excellent engine wear protection during long trips, short commuting and stopstart conditions. Superior added protection ensures adequate lubrication before the engine reaches 51C - when most engine wear typically occurs. Exceeds API SG and JASO MA-2.