Showing specs for all NA & NB Miatas

Rear camber by wheel-center-to-fender height (NA6)

Height 346–355 (13.6–14.0) mm (in): −1°08′ ± 30′; Height 356–365 (14.0–14.4) mm (in): −0°54′ ± 30′; Height 366–375 (14.4–14.8) mm (in): −0°43′ ± 30′; Height 376–385 (14.8–15.2) mm (in): −0°35′ ± 30′; Height 386–395 (15.2–15.6) mm (in): −0°30′ ± 30′

Factory manualTaken from a Mazda factory workshop manual, with page citation.
Procedure

Factory alignment with vehicle unladen: fuel tank full, coolant and engine oil at specified levels, spare tire/jack/tools in their designated positions, no luggage or passengers, on level ground. Height is measured from wheel center to fender brim; use the row matching the measured height.

Applies to
  • NA 1990–1993 (B6) — Other years in this family inferred from 1990 factory evidence with owner approval; actual-year verification is separate.
  • Verified in: 1990 Mazda MX-5 Miata Workshop Manual
Sources
  • Part no. 1193-10-89C
    Page R–9 (PDF p. 490)
    Printed: “Camber angle Height from center of wheel to fender brim mm (in) 346—355 (13.6—14.0) −1°08′ ± 30′ 356—365 (14.0—14.4) −0°54′ ± 30′ 366—375 (14.4—14.8) −0°43′ ± 30′ 376—385 (14.8—15.2) −0°35′ ± 30′ 386—395 (15.2—15.6) −0°30′ ± 30′”

Also in Additional factory manual gap audit