1.

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...

2.

YAMAHA RS Oversize Cylinder Head
Model: RS-020
RS-02024/21：RS Oversize Cylinder Head 24/21. RS-02028/23：RS Oversize Cylinder Head 28/23.

3.

YAMAHA RS Microns Stroke Extended Crank Shaft
Model: RS-030
RS100-030 ：RS100 crank shaft RS-030300-13：RS300 microns stroke extended crank shaft-13 RS-030300-15：RS300 microns stroke extended crank shaft-15 RS...

4.

YAMAHA RS Oversize Cylinder Head Kit
Model: RS-090
RS-090100： RS Oversize Cylinder Head Kit.

5.

YAMAHA RS Oil Cooler Cylinder Kit
Model: RS-050
RS-050：RS Oil Cooler Cylinder Kit.

6.

YAMAHA Cygnus Cylinders
Model: CYG-010
Cygnus125 Original Size: 52.4 x 57.8 (124.6cc) Big Bore Size: 58.5/59/60/61/62/63/63.5/64/65/66/67/68/69 CYG-01058.5：Cygnus125 Big bore 58.5 cylin...

7.

YAMAHA Cygnus Oversize Cylinder Head (4V)
Model: CYG-020
CYG-200： Cygnus Oversize Cylinder Head(4v).

8.

YAMAHA Cygnus Microns Stoke Extended Crank Shaft
Model: CYG-030
CYG-030200： Cygnus 200 Microns Stoke Extended Crank Shaft. CYG-030300 ：Cygnus 300 Microns Stoke Extended Crank Shaft. CYG-030450 ：Cygnus 450 Microns...

9.

YAMAHA Cygnus Oil Cooler Cylinder Kit
Model: CYG-050
CYG-050：Cygnus Oil Cooler Cylinder Kit.

10.

YAMAHA Cygnus Camshaft
Model: CYG-T
CYG-T：Cygnus Camshaft.