2002 yz426f broke a vavle and have the head off now. they said the crank rod could be bent. do i need to replace the cyilinder. where do i start and what parts should i get first. i got crank splitter, crank installer, piston puller, flywheel puller, clutch/flywheel holder, and valve compressor. do i need any other tools and where do i start on the bike. any help you can give me would be much apprecciated. i only got to ride her twice before she blew up.