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 MANUALSMAZDA1999PROTEGE LX L4-1.6L DOHCREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYPISTON, ENGINE
1999 Mazda Protege LX L4-1.6L DOHC
Piston, Engine
1999 Mazda Protege LX L4-1.6L DOHCSECTION Piston, Engine
| Piston Diameter Measure at 90 deg. to Pin Bore Axis and 16.5 mm Below Oil Ring Groove. | Standard | 77.953 - 77.975 Millimeter (mm) |
| 0.25 mm Oversize | 78.203 - 78.225 Millimeter (mm) | |
| 0.50 mm Oversize | 78.453 - 78.475 Millimeter (mm) | |
| Piston-To-Cylinder Oil Clearance | Standard | 0.038 - 0.053 Millimeter (mm) |
| Maximum | 0.10 Millimeter (mm) |
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.