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Piston, Engine
GENERAL SPECIFICATIONSPistons
Weight (less Pinch) 563 to 567 grams (19.86 to 20.00 oz)
Piston Pin Bore
(Centerline to Piston top) 40.61 to 40.72mm (1.599 to 1.603 inch)
Piston-to-Bore Clearance 0.033 to 0.053mm (0.0013 to 0.0021 inch)
Piston-to-Bore Clearance
(Preferred) 0.033 to 0.038mm (0.0013 to 0.015 inch )
Ring Gap Clearance-
Top Compression Ring 0.229 to 0.610mm (0.0090 to 0.0240 inch)
Ring Gap Clearance-
2nd Compression Ring 0.483 to 0.965mm (0.0190 to 0.0380 inch)
Ring Gap Clearance-
Oil Control Steel Rails 0.254 to 1.500mm (0.010 to 0.060 inch)
Ring Side Clearance-
Compression Rings 0.042 to 0.084mm (0.0017 to 0.0033 inch)
Ring Side Clearance-
Oil control Rings 0.06 to 0.21mm (0.0024 to 0.0083 inch)
Piston Ring Groove Height-
Compression Rings 1.530 to 1.555mm (0.0602 to 0.0612 inch)
Piston Ring groove Height-
Oil Control Ring 4.035 to 4.060mm (0.1589 to 0.1598 inch)
Piston Ring Groove Diameter-
Oil Control Ring 90.35 to 90.60mm (3.557 to 3.566 inch)
Piston Pin Diameter 23.637 to 23.640mm (0.9306 to 0.09307 inch)
Piston Pin Bore Diameter 23.647 to 23.655mm (0.9310 to 0.9313 inch)
Piston-to-Pin
Clearance 0.0076 to 0.0178mm-Loose (0.0003 to 0.0007 inch Loose)
Piston-to-Pin Clearance (Preferred) 0.013mm (0.0005 inch)
Piston-to-pin Connecting Rod (Press Fit) 8.9kN (2000 lb. ft..)