Product 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.
Cylinder Works 20-24 Yamaha WR 250 F 250cc Standard Bore Cylinder 77mm - CW20013 MSRP: $364.95 Was: Now: $272.80 Add to Cart
Cylinder Works 01-13 Yamaha WR 250 F 250cc Standard Bore Cylinder 77mm - 20002 MSRP: $366.95 Was: Now: $274.30 Add to Cart
Cylinder Works 20-23 Yamaha WR 250 F 250cc +3mm Big Bore Cylinder Kit 270cc 13.8:1 Comp. 80mm - CW21013K01 MSRP: $758.95 Was: Now: $567.32 Add to Cart