Piston: Specifications

Piston
Diameter
Coded red 88.962-88.978 mm (3.5024-3.5031 inch)
Coded blue 88.988-89.004 mm (3.5035-3.5041 inch)
Coded yellow 89.014-89.030 mm (3.5045-3.5051 inch)
Piston-to-cylinder bore clearance 0.030-0.056 mm (0.0012-0.0022 inch)
Piston-to-cylinder bore clearance - service limit 0.081 mm (0.031 inch) max.
Ring end gap
Compression (top and inch) bottom, in gauge) 0.25-0.50 mm (0.01-0.02
Oil ring (steel rail, in gauge) 0.25-1.25 mm (0.010-0.049 inch)
Ring groove width
Compression (top and bottom) 1.530-1.555 mm (0.0602-0.0612 inch)
Oil 4.030-4.055 mm (0.1587-0.1596 inch)
Ring width
Compression (top and bottom) 1.460 1.490 mm (0.0575-0.0587 inch)
Oil ring Side seal-snug fit
Service limit Side clearance 0.015 mm (0.0006 inch) max.
Pin bore diameter
Red 89.009-89.035 mm(3.5043-3.5053 inch)
Blue 89.035-89.060 mm (3.5053-3.5063 inch)
Yellow 89.060-89.086 mm (3.5063-3.5073 inch)
Pin diameter 23.162-23.175 mm (0.9119-0.9124 inch)
Pin length 57.12-57.88 mm (2.248-2.278 inch)