Bel-Ray, has announced the release of its new 10W-60 Works Thumper Racing Synthetic Ester 4T Engine Oil. Engineered for single cylinder, multi-valve four-stroke racing engines, Bel-Ray’s Thumper racing oil is designed to withstand the extreme temperatures and stresses experienced during racing.

Bel-Ray Works Thumper Racing Synthetic Ester 4T Engine Oil 10W-60 (High Res) copyIn its press release, Bel-Ray states its Thumper synthetic racing oil is formulated with full synthetic, ester base oils and an advanced additive package to minimize cylinder and ring wear, extend bearing life and prevent sludge and varnish formation, as well as carbon build-up, to maximize power and engine life. The racing oil was engineered with high viscosity shear stability to ensure unmatched engine protection, even under the most severe conditions. For engines with wet clutches, Thumper racing oil is formulated for maximum clutch engagement, consistent power delivery, and efficient shifting in any racing environment.

Bel-Ray’s Thumper Racing Engine Oil is compatible with all air and liquid-cooled four-stroke motorcycle engines, including wet and dry clutch applications. The 10W-60 synthetic racing oil exceeds all API SN and JASO MA2 requirements, and is backward compatible for use in applications specifying API SG/SH/SJ/SL/SM or JASO MA/MA1 rated oils.

Bel-Ray Works Thumper Racing Synthetic Ester 4T Engine Oil 10W-60 is available in both one and four-liter containers. To find the nearest Bel-Ray dealer, please consult Bel-Ray’s online dealer locator.

For more information on Thumper Racing Synthetic Ester Blend 4T Engine Oil or Bel-Ray’s full line of powersports products, visit or call 732-938-2421.