Ricky Stator - Products TRX250R ignition wiring harness, '86-'88 Part #RSTRXWH-A Price $69. Ricky Stator now offers a brand new racing wiring harness for the TRX250R. This harness has NO LIGHTING wires included, use this only if the lighting has been removed from the bike. 1986-1988 Honda TRX250R Wire Harness - JDS Customs 1986-1988 Honda TRX250R Wire Harness $ 105 $ 78. Replace that nasty old wire harness! Upgrade to brand new electronics for your machine today without breaking the bank. Harnesses are made to order, you will receive within a week of ordering. Harness Options * With or without headlights? Make your selection here!