Wiring Harness for Scooter YYZX25019001 250cc Jonway YY250T Wiring Harness for Scooter YYZX25019001 250cc Jonway YY250T. Free Shipping over $75. Same Day Shipping if ordered by 3:00 pm CST Monday thru Friday. Your #1 Source for Jonway Scooter Parts! American Owned and Operated. Jonway 250 R/R wiring | Scooter Doc Forum Mar 20, 2016Jonway 250 R/R wiring . Frequently Asked Questions. FAQ. Easy Picture Posting! Docs' Lounge. Today I checked how this scooter charges. Idle rpm voltage is 14 and higher rpm it drop to 13 and stays there. Today I remove all covers and opened wiring harness and followed wires where they was connected.