99 kawasaki ultra
 

I replaced the igniter on my jetski the other day, fired her up and she started just fine. i took her on the water yesterday and she ran perfectly for about an hr and when i opened her up all the way she died. i brought her home and jump started her and she worked so i went to by a new batery put it in and now she wont start anymore, my battery works fine in the other jetski i have so its not the battery.....any suggestions please