MX-5 Miata Mazdaspeed L4-1.8L DOHC Turbo (2004)
Piston: Service and Repair
Piston Clearance Inspection / Repair
1. Calculate the piston-to-cylinder clearance. Replace the piston or rebore the cylinders to fit oversize piston as necessary.
Standard clearance 0.025 - 0.066 mm (0.0010 - 0.0025 inch)
Maximum clearance 0.15 mm (0.006 inch)
2. If the piston Is replaced, the piston rings must also be replaced.