Piston, Engine

Piston Diameter 91.06-91.09
Piston to Cylinder Clearance 0.003-0.05 mm (0.0012-0.002 inch)
Piston Ring End Gap No. 1 0.030-0.45 mm (0.012-0.018 inch)
Service Limit 0.08 mm (0.031 inch)
Piston Ring End Gap No. 2 0.45-0.060 mm (0.018-0.024 inch)
Service Limit 0.08 mm (0.031 inch)
Piston Ring End Gap Oil Control 0.020-0.060 mm (0.008-0.024 inch)
Service Limit 1.0 mm (0.039 inch)
Ring Side Clearance No. 1 0.030-0.090 mm (0.002-0.0035 inch)
Service Limit 1.0 mm (0.039 inch)
Ring Side Clearance No. 2 0.040-0.085 mm (0.0016-0.0033 inch)
Service Limit 1.0 mm (0.039 inch)
Oversize Service Pistons 0.25-0.50 mm (0.010-0.020 inch), 0.75-1.00 mm (0.030-0.039 inch)