I have just discovered the reason for my overheating viffer, the block is cracked, now im in a quandary cos i dont know what to do with it, ive had the bike nearly 2 yrs and have brought it back from near death, got it running and MOT`d it, and used it plenty for track days which it excelled at, now moving to inters and having found the crack in the block i cant decide whether to break it up Or track down an engine or rebuild with new block?? I dont really need another project cos the garage is stuffed already???