1999 99 YAMAHA WR400F wr 400 f Cylinder Head Cam caps Valves Ported READ DESCRIP. This product data sheet is originally written in English. PLEASE TAKE NOTE OF WEAR ON RUNNERS! WHEN CAM CAPS WERE INSTALLED CAMS STILL TURNED FREELY! PLEASE TAKE NOTE OF PORT JOB! WHEN LIQUID WAS POOLED BEHIND VALVES THEY DID LEAK A BIT SO THEY WILL NEED TO BE CLEANED UP! This part was removed from a. 1999 Yamaha WR400F dirtbike, THAT WAS RUNNING AND DRIVING GOOD BEFORE LOSING SPARK! THIS PART MAY FIT OTHER YEARS, PLEASE DO YOUR OWN RESEARCH! FROM WHAT I READ ONLINE 99-02 ARE THE SAME BIKE BUT PLEASE DO YOUR OWN…