Piston, Engine

PISTONS
Piston Diameter 87.456 - 87.474 mm (3.4431 -3.4439 inch)
Clearance @ 24.6 mm (0.551 inch) from bottom of skirt 0.018 - 0.0516 mm (0.0007 - 0.0020 inch)
Weight 345-355 Grams (12.17 - 12.52 Oz.)
Land Clearance (Diametrical) 0.563 - 0.621 mm (0.022 - 0.024 inch)
Piston Length 66.25 mm (2.608 inch)
Piston Ring Groove Depth No. 1 3.946-4.045 mm (0.155 - 0.159 inch)
Piston Ring Groove Depth No. 2 4.555-4.680 mm (0.179 - 0.184 inch)
Piston Ring Groove Depth No. 3 4.108-4.220 mm (0.162 - 0.166 inch)

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 0.25 - 0.51 mm (0.0098 - 0.020 inch)
Wear Limit 0.8 mm (0.031 inch)
2nd Compression Ring 0.23 - 0.48 mm (0.009 - 0.018 inch)
Wear Limit 0.8 mm (0.031 inch)
Oil Control Steel Rails 0.25 - 0.64 mm (0.0098 - 0.025 inch)
Wear Limit 1.00 mm (0.039 inch)
Compression Rings 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)
Ring Width -Oil Ring Pack 2.72 - 2.88 mm (0.107 - 0.1133 inch)