1.

KYMCO GY6 Cylinders
Model: GY6-010
GY6 Original Size: 52.4 x 57.8(124.6cc) Big Bore Size: 58.5/59/60/61/62/63mm GY6-01052.4：GY6 Original 52.4mm cylinder GY6-01057：GY6 Big bore 57m...

2.

KYMCO GY6 Cylinder Head
Model: GY6-020
GY6-02059：GY6 oversize cylinder head 59mm

3.

KYMCO GY6 Microns Stoke Extended Crank Shaft
Model: GY6-03
GY6-030-200：GY 6 200 Microns Stroke Extended Crank Shaft. GY6-030-300：GY6 300 Microns Stroke Extended Crank Shaft. GY6-030-360：GY6 360 Microns Stro...

4.

KYMCO GY6 Oil Cooler Cylinder Kit
Model: GY6-050
GY6-050：GY6 oil cooler cylinder kit

5.

KYMCO GY6 Water Cooler Cylinder Kit
Model: GY6-080
GY6-080：GY6 water cooler cylinder kit

6.

SYM DIO Cylinders
Model: DIO-01050
SYM Original Size: 39mm SYM Big Bore Soze: 50/52.5/53/54mm DIO-01039：Dio Original 39mm cylinder DIO-01050：Dio Big bore 50mm cylinder DIO-01052.5...

7.

SYM DIO Microns Stroke Extended Crank Shaft
Model: DIO65-030
DIO65-030200：DIO 200 Microns Stroke Extended Crank Shaft. DIO65-030３00：DIO 300 Microns Stroke Extended Crank Shaft.

8.

SYM DIO Water Cooler Cylinder
Model: DIO-060
DIO-06052.5：DIO Water Cooler Cylinder 52.5 DIO-06053：DIO Water Cooler Cylinder 53 DIO-06054：DIO Water Cooler Cylinder 54

9.

SYM DIO Water Cooler Cylinder Kit
Model: DIO-080
DIO-080：DIO Water Cooler Cylinder Kit.

10.

YAMAHA RS Cylinders
Model: RS-010
Original Size: 49 x 54 (101cc) Big Bore Size: 54/55/56/57/58/58.5/59/60/61/62/63/65/66/69 RS-01049：RS Original 49 cylinder RS-01054：RS Big bore 5...