Updated specs are available.
Thermostat main valve initial opening temperature (NA8)
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Not yet checked against the factory manual for your car's year. It's verified in the 1994 Mazda MX-5 Miata Workshop Manual; later manuals may differ.
188–193 °F (86.5–89.5 °C)86.5–89.5°C {188–193°F}
Factory manualTaken from a Mazda factory workshop manual, with page citation.
Procedure
Factory two-stage thermostat with separate main and sub valves. Visually check valve is airtight, then place thermostat and thermometer in water and heat the water. Do not apply these two-stage specifications to an aftermarket single-stage thermostat.
Applies to
- NA 1994–1997 (BP) — Other years inferred from 1994 factory evidence.
- Verified in: 1994 Mazda MX-5 Miata Workshop Manual
Sources (1)
View 1 source citations
- 1994 Mazda MX-5 Miata Workshop ManualTier 1
Page E–9 (PDF p. 145) · Printed value & notes
Page E–9 (PDF p. 145)Printed: “Initial-opening temperature Main: 86.5—89.5°C {188—193°F}”
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