Universal Parts Controller for Razor Crazy Cart Headlight Assembly Engine Compatibility: QMB139 50cc /

Engine Compatibility: QMB139 50cc / 49cc 4-stroke

Model Series Compatibility Note Roughhouse 50 Sport Rear Right Position (LED Models Only) Rattler 50 (2022+) Rear Right Position Rattler 200i Rear Right Position Technical Specifications

Blur 220i Royal Alloy / Lambretta GT 150

Responsive Back-Shifting: Drastically improves back-shift response when decelerating

Universal Parts Controller for Razor Crazy Cart Headlight Assembly Engine Compatibility: QMB139 50cc /Universal Parts Control Module with 6 connectors, one of which is a 6 Pin Throttle Plug which only works with 6 Pin, 6 Wire Throttles. Fits the following Razor vehicles: Crazy Cart, V5+ Crazy Cart DLX, V1+ **Note: Model versions can be determined based on your 8 digit product ID code. The product ID code can be found on the battery cover and or on the bottom of the frame. The last two digits are the version number (e. g. "01"=version 1, "02"=version