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.
2005 Mazda RX8 2RTR-1.3LFACTORY OEM SERVICE PROCEDURE
Spark Plug: Specifications
Spark Plug Torque 12.8-17.7 Nm (114-156 in. lb.)
Spark Plug Gap
Standard plug gap 1.15-1.25 mm (0.046-0.049 in)
Maximum plug gap
Leading side: 1.5 mm (0.059 in)
Trailing side: 1.4 mm (0.055 in)
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.