Piston, Engine

Piston - non-coated
Diameter - Gaged on the skirt 50 mm (0.02 inch) from the top of piston - production 91.985 - 92.003 mm (3.6215 - 3.222 inch)
Diameter - Gaged on the skirt 50 mm (0.02 inch) from the top of piston - service limit 91.955 - 91.973 mm (3.620 - 3.621 inch)
Clearance - production 0.016 - 0.052 mm (0.0006 - 0.0020 inch)
Clearance - service limit 0.047 - 0.083 mm (0.0019 - 0.0033 inch)
Pin Bore 23.005 - 23.010 mm (0.9057 - 0.9059 inch)
Piston - Grafal coated
Diameter - Gaged on the skirt 50 mm (0.02 inch) from the top of piston 91.990 - 92.028 mm (3.6217 - 3.6232 inch)
Diameter - Gaged on the skirt 50 mm (0.02 inch) from the top of piston 91.950 - 91.988 mm (3.6201 - 3.6216 inch)
Clearance - production 0.008 - 0.048 mm (0.00031 - 0.0019 inch)
Clearance - service limit 0.032 - 0.088 mm (0.0013 - 0.0035 inch)
Pin Bore 23.005 - 23.010 mm (0.9057 - 0.9059 inch)
Piston Ring
Top Groove Side Clearance 0.04 - 0.086 mm (0.002 - 0.0034 inch)
Second Groove Side Clearance 0.04 - 0.09 mm (0.002 - 0.0035 inch)
Top Ring Gap 0.21 - 0.48 mm (0.008 - 0.019 inch)
Second Ring Gap 0.54 - 0.86 mm (0.0213 - 0.0339 inch)
Oil Ring Groove Clearance 0.46 - 0.20 mm (0.0018 - 0.0079 inch)
Gap in Cylinder Bore 0.31 - 0.89 mm (0.012 - 0.035 inch)
Piston Pin
Diameter 22.994 - 22.997 mm (0.9053 - 0.9054 inch)
Clearance In Piston 0.008 - 0.016 mm (0.00031 - 0.00063 inch)
Fit In Rod -0.047 to 0.019 mm press fit (-0.0019 to -0.0007)