Design Specifications

Pistons
General data
Piston clearance, nominal 0.025 - 0.045 mm






Measurements
R 43 mm
A 3.45 mm
0 78.5 mm
H 56.45 mm

Piston diameter
Piston diameter is measured at right angles to the gudgeon pin holes, 16 mm from the bottom of the piston.

Important: New pistons are graphite coated, but the coating is not included in the measurement below.

Classification codes
Standard
8 85.945 - 85.955 mm
99 85.955 - 85.965 mm
00 85.965 - 85.975 mm
01 85.975 - 85.985 mm
02 85.985 - 85.995 mm
Oversizes
7+0.5 86.435 - 86.445 mm
8+0.5 86.445 - 86.455 mm
9+0.5 86.455 - 86.465 mm
0+0.5 86.465 - 86.475 mm