Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMAZDA1999MX-5 MIATA L4-1.8L DOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMSPARK PLUGSPECIFICATIONSMECHANICAL SPECIFICATIONSTORQUE
1999 Mazda MX-5 Miata L4-1.8L DOHC
Torque
1999 Mazda MX-5 Miata L4-1.8L DOHCSECTION Torque
| Spark Plug | |||
| Type | |||
| NGK | BKR5E-11*, BKR6E-11 *Standard Plug | ||
| DENSO | K16PR-U11*, K20PR-U11 *Standard Plug | ||
| CHAMPION | RC10YC4*, RC8YC4 *Standard Plug | ||
| Plug Gap | 1.0 - 1.1 Millimeter (mm) | ||
| Tightening Torque | 15 - 22 Newton Meter (Nm) |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.