Connecting Rod: Service and Repair

Fig. 8 Piston & Connecting Rod Assembly:

Fig. 9 Piston & Rings Assembly:

When assembling piston, pin and connecting rod, arrow stamped on top of piston, Fig. 8, should point to flywheel. Bore matching number stamped on side of connecting rod must be on the opposite side of cylinder bore from auxiliary shaft. When installing piston and rod assembly, ensure piston class, stamped on top of piston, matches bore class stamped on cylinder block Fig. 9,. Piston diameter and clearance between piston and bore are stamped on top of piston.

Oversize pistons are available in .004, .008, .016, .024 and .031 inch sizes. Oversize pins are available in .0079 inch oversize.