Product DescriptionReplacement twist grip throttle with 4 wires (Red, White, Yellow, Orange) for the Razor MX500 (Version 1-9) and MX650 (Version 1-7).**
IMPORTANT NOTE: Razor Bike versions can be determined by locating your bar code ID on the battery cover and/or on the bottom of the bike frame. 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.
Please be sure you identify your version before placing an order for a throttle.*
Razor MX500 Throttle Replacement Procedure (Word Document)
NOTE: This 4 wire throttle is compatible as replacement for 4 wire throttle only and is
NOT compatible as replacement for 5 wire throttles.