Small age-driven annoyances are common and benign: a slight lifter tick at idle is normal, original radios frequently fail (displays, volume knobs, tape decks) with refurb a niche art, and an inoperative speedometer is usually a cheap speedo-cable fix.
Age-related quirks: lifter tick, dead radios, speedo cable
Mazda MX-5 Miata (NA) · mechanical