Looking for wiring diagram 1987 TRX250X | Honda ATV Forum Had a kid bring me a 1987 250X the other day because it won't run. Well they have hacked all the wiring up BAD! Not sure what the original problem was but the first thing that needs to be done is get all the wiring back the way it's supposed to be. Does anybody know where i can get a wiring.. 1987 Honda Trx250x Wiring Diagram 1987 Honda Trx250x Wiring Diagram. Navigate your Honda FourTrax TRXX WIRE HARNESS schematics below to shop OEM parts by detailed schematic diagrams offered for every. honda trxx wiring diagram blog looking for forum click image larger 1987 Honda Trx250x Wiring Diagram - schematron 1987 Honda Trx250x Wiring Diagram. 24 24 7 Comments on 1987 Honda Trx250x Wiring Diagram. I recently purchased a 86/87 Honda TRX x. It has an electrical problem and I need a wiring diagram. The reason I say 86/87 because i have.