PGO G-MAX 50 - Page 75

6.Outer diameter measurement of the piston pin
limit of use: change it when under 9.970mm(G-MAX 50cc)
7.Check piston ring:
Measure piston ring gap:
Limit of use: change new ones when the first ring and second ring are over 0.4mm
Push the piston ring into the cylinder
By piston, the measure the gap