Bel-Ray EXS Synthetic Ester 4-stroke Motor Oil #139081-P Size:10W-50 1 Liter Housings use Thermo-Tork® gaskets and

Housings use Thermo-Tork® gaskets and rubber O-rings that don’t let anything through

Utility and Side-by-Sides

Bel-Ray Thumper Racing Synthetic Ester Blend 4T Engine Oil is a 4-stroke motorcycle racing oil that combines the finest quality synthetic esters and highly-refined mineral base oils specifically engineered for today€™s 4-stroke single cylinder

Unmatched Gear Material  We don’t skimp on the most important part of the portals—the gears

Boiling Point °C

Bel-Ray EXS Synthetic Ester 4-stroke Motor Oil #139081-P Size:10W-50 1 Liter Housings use Thermo-Tork® gaskets andBel Ray EXS Full Synthetic Ester 4T Engine Oil is a premium motorcycle oil that uses the finest quality synthetic hydrocarbon and ester base fluids combined with unique Extreme Pressure, anti wear additives and shear resistant VI improvers to meet the demands of high performance applications. Lowers engine temperatures and increases horsepower. Bel Ray EXS Synthetic Ester 4T Engine Oil is a 4 stroke motorcycle oil providing outstanding wear