Cylinder Works 05-21 Yamaha YZ 125 125cc Standard Bore Cylinder Kit
OEM-style standard bore kits include a cast aluminum Cylinder Works cylinder, Vertex Piston and gaskets needed to restore horsepower and performance, as a competitive price point, compared to OEM options.
- Nickel silicon carbide (NSC) electroplate bore which allows for tighter tolerances, lower friction and extreme durability
- Precision diamoned honed to exact dimensions and proper surface finish to ensure ring seal and oil retention
Product Information
Product Information
Shipping & Returns
Shipping & Returns





Cylinder Works 05-21 Yamaha YZ 125 125cc Standard Bore Cylinder Kit
Cylinder Works 05-21 Yamaha YZ 125 125cc Standard Bore Cylinder Kit
OEM-style standard bore kits include a cast aluminum Cylinder Works cylinder, Vertex Piston and gaskets needed to restore horsepower and performance, as a competitive price point, compared to OEM options.
- Nickel silicon carbide (NSC) electroplate bore which allows for tighter tolerances, lower friction and extreme durability
- Precision diamoned honed to exact dimensions and proper surface finish to ensure ring seal and oil retention
Original: $8,870.08
-70%$8,870.08
$2,661.02Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
OEM-style standard bore kits include a cast aluminum Cylinder Works cylinder, Vertex Piston and gaskets needed to restore horsepower and performance, as a competitive price point, compared to OEM options.
- Nickel silicon carbide (NSC) electroplate bore which allows for tighter tolerances, lower friction and extreme durability
- Precision diamoned honed to exact dimensions and proper surface finish to ensure ring seal and oil retention



















