Piston, Engine

Piston

Piston Diameter

(Standard) 87.465-87.495 mm (3.4435-3.4446 in)

Piston-to-cylinder clearance

(Standard) 0.025-0.045 mm (0.0010-0.0017 in)
(Maximum) 0.11 mm (0.0043 in)

Piston ring-to-ring groove clearance (Standard)

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)

Piston end gap (Standard)

Top: 0.16-0.31 mm (0.0063-0.0122 in)
Second: 0.33-0.48 mm (0.01 30-0.0189 in)
Oil (rail): 0.20-0.70 mm (0.0079--0.0275 in)

Piston end gap (Maximum)

All 1.0 mm (0.0393 in)