Replacement Billet Cylinder Liner 100mm Bore. Replaces H20024201 and 82030005000. These are not "cast" alloy as the originals are and are therefore less likely to crack. We have made three batches for the 450, one batch for the 400 and the 501 each and no problems so far!
Suitable for the 644cc model 2001-2004 and 628cc modles 2005-2008
100287 0r 100296 for OEM liners.