ttr 125 wiring | eBay Find great deals on eBay for ttr 125 wiring. Shop with confidence. Skip to main content. eBay Logo: 2003 YAMAHA TTR125 WIRING HARNESS. Pre-Owned. $20. FAST 'N FREE. Buy It Now. Guaranteed by Tue, Apr. 16. Free Shipping. yamaha ttr125 ttr 125 cdi ignition unit box igniter wiring 2000 2004 2003 2002. headlight for ttr 125 - TTR - ThumperTalk Sep 19, 2004I have a 2003 Yamaha TTR 125 I put a head light on this? If i can I want to be able to turn it on and off and everything if I can have on on here then about how much will it cost?