New in factory box. Cylinder made in the USA by Cylinder Works.
Cylinder only. No piston. No gaskets.
Part #: 23001-1
Bore: 98mm (+3mm) big bore makes 480cc
FITS ONLY:
Yamaha:
WR 450 F (03-06);
YZ 450 F (03-05);
YFZ 450 (04-09, 12-13);
YFZ 450 LE (04);
YFZ 450 SE (05-08);
YFZ 450 V Bill Balance Edition (06-07);