Assembly

1. Assemble piston and connecting rod.
(a) Install a small screwdriver, install a new snap ring on one side of the piston pin hole.
(b) Gradually heat the piston to 80° - 90°C (176° - 194° F).
(c) Coat the piston pin with engine oil.





(d) Align the front marks of the piston and connecting rod, and push in the piston pin with your thumb.
(e) Install a small screwdriver, install a new snap ring on the other side of the piston pin hole.
2. Install piston rings.
(a) Install the oil ring expander and 2 side rails by hand.





(b) Using a piston ring expander, install the 2 compression rings with the code mark facing upward.
Code Mark:
No. 1: 1N or T
No. 2: 2N or 2T





(c) Position the piston rings so that the ring ends are as shown.

CAUTION: Do not align the end gaps.





3. Install bearings.
(a) Align the bearing claw with the groove of the connecting rod or connecting cap.
(b) Install the bearings in the connecting rod and connecting rod cap.