Does the NGK D8EA fit the Yamaha XS 400 (1982–1982)?
Yes — the NGK D8EA is a correct fitment for the Yamaha XS 400 (1982–1982).
Last verified: 22 July 2026 against 2 independent sources (Cross-brand plug correspondence (NGK + Denso catalogues), NGK UK Motorcycle Catalogue 2022 (official PDF)).
Brakes are safety-critical. Always confirm fitment against your owner's manual before purchase and installation.
Where to buy the NGK D8EA (price comparison)
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