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...

Motul's 7100 series 10W60 100% sunthetic 4T motor oil

Motul 7100 series 1L 10W60 100% synthetic 4T motor oil

Fully synthetic high-performance 4-stroke engine oil, especially developed for Off-Road motorcycles. When this oil was developed, in close cooperation with racing teams and motorcycle manufacturers,...

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...

Motul's 4L 3000 series 20W50 mineral 4T motor oil.