1990 Mazda MX-5 Miata 1.6
Transmission gear ratios, final drive data, and drivetrain specs for the 1990 Mazda MX-5 Miata 1.6.
US specification / NA
Mazda US 1990 brochure, printed page 16: factory ratios and 7000 RPM tachometer redline. The automatic arrived for a later model year; this reference is manual only.
Sources & engine identity
- Mazda 1990 MX-5 Miata specificationsgear ratios, reverse, final drive, tires, RPM limit
Stock manual / 5-speed / transmission source
Transmission gear ratios
| Gear | Ratio | Overall | Step |
|---|---|---|---|
| 1 | 3.136 | 13.485 | - |
| 2 | 1.888 | 8.118 | 1.661 |
| 3 | 1.330 | 5.719 | 1.420 |
| 4 | 1.000 | 4.300 | 1.330 |
| 5 | 0.814 | 3.500 | 1.229 |
| R | 3.758 | 16.159 | - |
Overall = gear ratio × final drive. Step = previous ratio ÷ current ratio.
Final Drive: 4.3Overall Spread: 3.853