Does the NGK B8ES fit the Aprilia RS 50 (1993–1998)?
Yes — the NGK B8ES is a correct fitment for the Aprilia RS 50 (1993–1998).
Last verified: 22 July 2026 against 2 independent sources (NGK UK Motorcycle Catalogue 2022 (official PDF), Sportsbikeshop fitment catalogue).
Brakes are safety-critical. Always confirm fitment against your owner's manual before purchase and installation.