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Pistons Pins & Rings Specifications

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PISTONS PINS & RINGS

Application In. (mm)
Piston
Diameter (1) 4.1045-4.1050 (104.254-104.267)
Clearance .0044-.0057 (.112-.145)
Piston Height Above Crankcase .010-.031 (.25-.79)
Pins
Diameter 1.3079-1.3081 (33.221-33.226)
Piston Fit .0003-.0007 (.007-.018)
Rod Fit .0004-.0009 (.010-.023)
Rings (2)
No. 1
End Gap .014-.024 (.36-.61)
Side Clearance (2)
No. 2
End Gap .062-.072 (1.57-1.83)
Side Clearance .002-.004 (.05-.10)
No. 3 (Oil)
End Gap .012-.024 (.30-.61)
(1) Measure 1.69" (42.8 mm) below lower land of oil ring. Measure at piston pin bore center line, at 90-degree angle to piston pin.
(2) See CYLINDER BLOCK ASSEMBLY  under OVERHAUL.