Cylinder Works 05-21 Yamaha YZ 125 125cc Standard Bore Cylinder 54mm
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
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Shipping & Returns






Cylinder Works 05-21 Yamaha YZ 125 125cc Standard Bore Cylinder 54mm
Cylinder Works 05-21 Yamaha YZ 125 125cc Standard Bore Cylinder 54mm
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: $8,020.12
-70%$8,020.12
$2,406.04Product 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



















