Piston Ring, Engine

Pistons
Piston Diameter 87.463 - 87.481 mm (3.4434 - 3.4441 inch)
Clearance * 0.024 - 0.057 (0.0009 - 0.0022 inch)
Weight 332 - 346 grams (11.85 - 12.20 oz.)
Land Clearance (Diametrical) 0.614 - 0.664 mm (0.024 - 0.026 inch)
Piston Length 60.3 mm (2.374 inch)
Piston Ring Groove Depth
No. 1 4.640 - 4.784 mm (0.182 - 0.188 inch)
No. 2 4.575 - 4.719 mm (0.180 - 0.185 inch)
No. 3 4.097 - 4.236 mm (0.161 - 0.166 inch)

* @ 14 mm (9/16 inch) from bottom of skirt

Piston Pins
Clearance in Piston 0.005 - 0.018 mm (0.0002 - 0.0008 inch)
Clearance in Connecting Rod Interference
Diameter 21.998 - 22.003 mm (0.8660 - 0.8662 inch)
End Play None
Length 72.75 - 73.25 mm (2.864 - 2.883 inch)

Piston Rings
Ring Gap-Top Compression Ring
Standard 0.25 - 0.51 mm (0.0098 - 0.020 inch)
Wear Limit 0.8 mm (0.031 inch)
Ring Gap-2nd Compression Ring
Standard 0.23 - 0.48 mm (0.009 - 0.018 inch)
Wear Limit 0.8 mm (0.031 inch)
Ring Gap-Oil Control Steel Rails
Standard 0.25 - 0.64 mm (0.0098 - 0.025 inch)
Wear Limit 1.0 mm (0.039 inch)
Ring Side Clearance-Compression Rings
Standard 0.030 - 0.080 mm (0.0011 - 0.0031 inch)
Wear Limit 0.10 mm (0.004 inch)
Ring Side Clearance-Oil Ring Pack 0.012 - 0.178 mm (0.0004 - 0.0070 inch)
Ring Width
Compression Rings 1.47 - 1.50 mm (0.057 - 0.059 inch)
Oil Ring Pack 1 2.72 - 2.88 mm (0.107 - 0.1133 inch)