Its done 1300kms broken conrod smashed piston,barrel and crankcases. Barrel was not scored had no heat marks or any other marks. Bike has had oil changed every ride no matter what. Took it to yamaha to show them, they agreed it was not my fault. They air frieghted it to head yamaha work shop 4 days ago but I havnt heard back yet. Just wondering if any one has heard of this happening?