Cylinder Works Big Bore Cylinder
Fits Models
WR 450 F (07-15); YFZ 450 (17); YFZ 450 R (09-26); YFZ 450 R SE (09-26); YFZ 450 X (10-11); YFZ 450 X Bill Balance Edition (10); YZ 450 F (06-09)
Confirm the exact year, make, model and trim before ordering. Send us SKU 139854 with your vehicle info and we can help verify fitment.
Shipping services and final delivery cost are shown at checkout. Returns are confirmed before an RMA is issued — parts generally need to be uninstalled, unused and in original packaging. Full policy.
