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.
2004 Honda S2000 L4-2.2LFACTORY OEM SERVICE PROCEDURE
Piston, Engine
| Piston | Skirt | No letter | Standard or new | 86.993 - 87.006 mm |
| Service limit | 86.980 mm | |||
| Letter B | Standard or new | 86.983 - 83.996 mm | ||
| Service limit | 86.970 mm | |||
| Clearance in cylinder | Standard or new | 0.004 - 0.027 mm | ||
| Service limit | 0.04 mm | |||
| Ring groove width | Top | Standard or new | 1.235 - 1.265 mm | |
| Service limit | 1.285 mm | |||
| Second | Standard or new | 1.230 - 1.245 mm | ||
| Service limit | 1.265 mm | |||
| Oil | Standard or new | 2.005 - 2.025 mm | ||
| Service limit | 2.05 mm |
Factory Service Tools
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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.
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