Cylinder Works 99-23 Yamaha YZ 250 250cc +5.6mm Big Bore Cylinder Kit 295cc
OEM in apperance, yet performance driven in design. The Cylinder Works Big Bore Cylinder Kits contain a hand matched big bore Vertex piston and top end gasket kit wtih o-rings in an all-in-one kit, providing cost savings over purchasing OEM components separately.
- High-quality 2618 aluminum alloy for superior strength and durability
- Increased horsepower and engine displacement
Product Information
Product Information
Shipping & Returns
Shipping & Returns








Cylinder Works 99-23 Yamaha YZ 250 250cc +5.6mm Big Bore Cylinder Kit 295cc
Cylinder Works 99-23 Yamaha YZ 250 250cc +5.6mm Big Bore Cylinder Kit 295cc
OEM in apperance, yet performance driven in design. The Cylinder Works Big Bore Cylinder Kits contain a hand matched big bore Vertex piston and top end gasket kit wtih o-rings in an all-in-one kit, providing cost savings over purchasing OEM components separately.
- High-quality 2618 aluminum alloy for superior strength and durability
- Increased horsepower and engine displacement
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
OEM in apperance, yet performance driven in design. The Cylinder Works Big Bore Cylinder Kits contain a hand matched big bore Vertex piston and top end gasket kit wtih o-rings in an all-in-one kit, providing cost savings over purchasing OEM components separately.
- High-quality 2618 aluminum alloy for superior strength and durability
- Increased horsepower and engine displacement



















