2003 Yamaha Yzf 450 Wiring Loom Harness Posted on September 13, 2024 by admin 2003 YAMAHA YZF 450 WIRING LOOM HARNESS. IN GOOD USED CONDITION – WITH MARKS, SCUFFS AS SHOWN. FULLY TESTED AND WORKING. PLEASE STUDY THE PICTURE FOR CONDITION. Posted in yamaha Tagged: harness, loom, wiring, yamaha.