Got a full-size bike or custom build running a QS138 70H or 90H? EBMX has you set with a custom wiring harness for the QS motor with an X-9000 ignition switch & throttle input plug designed to fit a YZF450. 

This will fit most full-size 125/250 and 450 bikes designed with a rear-mounted controller in the subframe area. Wiring lengths may need to be shortened/Lengthened for your specific application. 

Note: This is for harness only, controller can be purchased separately here. This harness is not configured for displays at this time. 

Features

• QS138 harness designed for simple installation in a conversion or custom build
• Preset tunes are available for the qs138 70h or 90h in the X9000 app for up to 22s battery configurations
• The harness is pre-pinned for direct plug-and-play into the hall sensor, and the Sur-Ron LBX throttle

Fitment

• EBMX X-9000 V2 Controller