Piston, Engine

Piston diameter
Grade 1 90.191 - 90.206 mm
Grade 2 90.203 - 90.220 mm
Grade 3 90.217 - 90.232 mm
Piston-to-cylinder bore clearance * 0.005 - (+) 0.025 mm ([-] 0.0002 - (+) 0.0010 in.)
Piston ring end gap
Top 0.15 - 0.30 mm (0.0059 - 0.0118 in.)
Intermediate 0.15 - 0.30 mm (0.0059 - 0.0118 in.)
Oil control 0.15 - 0.30 mm (0.0059 - 0.0118 in.)
Ring groove width
Top 1.520 - 1.540 mm (0.0598 - 0.0606 in.)
Intermediate 1.520 - 1.540 mm (0.0598 - 0.0606 in.)
Oil control 3.03 - 3.055 mm (0.1193 - 0.1203 in.)
Piston pin bore diameter 22.0065 - 22.0110 mm (0.8664 - 0.8666 in.)
Piston-to-connecting rod clearance 6.58 - 7.58 mm

* measured @ 43 mm from top