Thumper® Racing Works Synthetic Ester 4T Engine Oil Bel-Ray® Thumper Racing Works Synthetic Ester 4T Engine Oil is a 4-stroke synthetic motorcycle racing oil that has been developed for full works competition use and is designed to withstand extreme racing conditions. Full synthetic ester base oils withstand the highest temperatures and stresses and provide the ultimate performance for 4-stroke motorcycles. Meets API SN and JASO MA2 requirements. Suitable for air-cooled/ liquid-cooled 4-stroke engines and wet clutches. • Synthetic ester formula for the ultimate Thumper performance • Withstands extreme racing conditions • For air-cooled/liquid-cooled 4T engines with wet clutches 4T ENGINE OILS OFF-ROAD 12 Thumper Racing Synthetic Ester Blend 4T Engine Oil 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, multi-valve racing engines. Provides maximum anti-wear protection for valve-trains, rings, cylinders and pistons. Delivers maximum horsepower while providing consistent clutch performance. Meets API SN and JASO MA2 requirements. Suitable for air-cooled/liquid-cooled 4-stroke engines and wet clutches. • Synthetic ester blend for racing engines • Maximum horsepower and consistent clutch performance • Wear protection for valve-trains, rings, cylinders and pistons • For air-cooled/liquid-cooled 4T engines with wet clutches 1L Bottle - 12/case 301724150160 (99550-B1LW) 4L Bottle - 4/case 301724150185 (99550-B4LW) 1L Bottle - 12/case 301723150160 (99520-B1LW) 4L Bottle - 4/case 301723150185 (99520-B4LW) 1L Bottle - 12/case 301725150160 (99551-B1LW) 1L Bottle - 12/case 300926150160 (99530-B1LW) 4L Bottle - 4/case 300926150185 (99530-B4LW) SAE 10W-50 SAE 10W-40 SAE 10W-60 SAE 15W-50 Did You Know? The Lubricant Advisor at belray.com provides custom service schedules and suggested products specifically for your machine. Simply select your make, model and type to take your machine’s performance to the next level!
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