KYMCO K-XCT 300i Owner's Manual page 203

3. Engine > Cylinders and Pistons
Measure the ring gap with a feeler gauge. Repeat this procedure with
second ring and the oil side rails.
Ring end gap
Check the oil jet for clogs.
Item
Top
Second
Oil side rail
Standard mm
0.10 - 0.25
0.10 - 0.25
0.2 - 0.7
3-59
K- XCT 300i