Bel-Ray Thumper Racing Works Synthetic Ester 4T Engine Oil 10W-50 1L Mirror Adapters requires a powerful engine concept

requires a powerful engine concept to develop its full performance

Riders can customise their bike with our range of silencers

VESPA 50 Special 50 V5B1T 2T AC '72-'75

Piston 65 mm

Bel-Ray Thumper Racing Works Synthetic Ester 4T Engine Oil 10W-50 1L Mirror Adapters requires a powerful engine conceptBel Ray Thumper Racing Works Synthetic Ester 4T Engine Oil 10W 50 1L 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