Piston

GENERAL SPECIFICATIONS
Diameter
Coded Red 88.962-88.978 mm (3.5024-3.5031 inches)
Coded Blue 88.988-89.004 mm (3.5035-3.5041 inches)
Coded Yellow 89.014-89.030 mm (3.5045-3.5051 inches)
Piston-to-Bore Clearance 0.030-0.056 mm (0.0012-0.0022 inches)
Service Limit 0.081 mm (0.0031 inches) Max.
Service Piston Selection a
Piston Bore Diameter/Service Piston Grade Required
89.009-89.035 mm (3.5043-3.5053 inches) RED
89.035-89.060 mm (3.5053-3.5063 inches) BLUE
89.060-89.086 mm (3.5063-3.5073 inches) YELLOW
Ring Groove Width
Compression (Top) 1.530-1.555 mm (0.0602-0.0612 inches)
Compression (Bottom) 1.530-1.555 mm (0.0602-0.0612 inches)
Oil 4.030-4.055 mm (0.1587-0.1596 inches)

a. When placing pistons, measure the cylinder bore. Install the indicated service piston.