Universal Parts 6-Pin Throttle for Razor EcoSmart (All Versions), MX500 (Versions 21 ), MX650 (Versions 14 ) and SX500 (All Versions).

**NOTE: Versions can be determined by locating your bar code ID on the bottom of the vehicle. The 7th and 8th digit in the series will tell you the version of your product: 01=version 1; 02=version 2; 09=version 9, and so on.