Top: 0.03-0.08 mm {0.0012-0.0031 in}
Second: 0.03-0.07 mm {0.0012-0.0027 in}
Oil: 0.03-0.07 mm {0.0012-0.0027 in}
Piston ring-to-ring groove clearance (Maximum)
Top: 0.17 mm {0.0067 in}
Second, Oil: 0.15 mm {0.0059 in}
Fig. 49: Measuring Piston Ring-To-Ring Groove Clearance
Courtesy of MAZDA MOTORS CORP.
4. Insert the piston ring into the cylinder by hand and use the piston to push it to the bottom of the ring
travel.
5. Measure each piston ring end gap with a feeler gauge.
If it exceeds the specification, replace the piston, piston pin, piston ring and connecting rod as a
single unit.
2007 Mazda MX-5 Miata Sport
2006-08 ENGINE Mechanical - Overhaul - 2.0L (LF) & 2.3L (L3) - Mazda6 & MX-5 Miata
Microsoft
Thursday, July 09, 2009 2:43:25 PM
Page 49
© 2005 Mitchell Repair Information Company, LLC.
