Available for the 990 Supermoto R, tough, lightweight engine case covers for both Gearbox / Clutch and Alternator / Generator. Injection moulded using 60% Long Glass Fibred Nylon 6.6 engineering material, the GBRacing engine covers offer superior tensile and impact strength when compared with traditional carbon fibre and billet aluminium covers.

Engine case covers available individually or as a set.