1997 kawasaki ZZR 400 "laughts" Questions

Kawasaki ZZR400 Won''t start, Looses power in top Gear I have a Kawasaki ZZR400 1997 model. I have difficlty in starting the bike and when I do, it looses power in top gears. When I put Valve Ease in ...

Need help on the letter I have rode bikes before(harleys). Different world than dirt bikes..I just bought a 2001 WR 426...Can someone tell what the WR stands for?? Also how do i know if it is a wr 426