Twist Grip Throttle (Razor Dirt Rocket MX500, SX500, MX650, & EcoSmart Metro)If you bought the replacement controller only to find you bought the wrong one this throttle will work with it as there is only one kit left for the 500 and 650 that razor sells This is the part you twist to make the dirt bike go. They tend to go bad if they are exposed to water often. You can easily repair the throttle by replacing it. It's very easy and can be done with just a few basic tools. This is a 6 wire variable speed throttle, compatible with the following versions:
Please note, older MX500 and MX650 dirt bikes use a 4 or 5 wire throttle which is discontinued. You would need to replace both the throttle and controller with our electrical kit. ![]() |