Install the spacer.

Install the upper side rail. To install the side rail, first put one end of the side rail between the piston ring groove and spacer, hold it firmly, then press down with your finger the portion to be inserted into groove asillustrated.

Install the lower side rail by the same procedure as described in Step No. 2.

Apply engine oil around the piston and piston grooves.

Using piston ring expander, install the No. 2 piston ring.

Install the No. 1 piston ring.

Place each piston ring end gap as far apart from its neighboring gaps as possible. Make sure that gaps are not positioned in the thrust and pindirections.

Hold the piston rings firmly with a piston ring compressor as they are inserted into cylinder.

Make sure that the front mark of the piston and the front mark (identification mark) of the connecting rod are directed toward the front of the engine.

When the connecting rod cap is installed, make sure that the cylinder numbers put on the rod and cap at disassembly match.

When a new connecting rod is installed, make sure that the notches for holding the bearing in place are on the same side.

Tighten the connecting rod cap nuts.

Check the connecting rod side clearance.