SX500, MX500 & MX650 - Support - Razor Get support for the SX500, MX500 & MX650 from Razor. Read manuals, find replacement parts, and information on repairs now. Get support for the SX500, MX500 & MX650 from Razor. Battery shows fully charged, but goes low after 10-15 minutes of use and/or unit run (very) Razor MX500, MX650 Dirt Rocket Battery Wiring Harness Easy Buy Razor MX500, MX650 Dirt Rocket Battery Wiring Harness Easy Slide On Terminals No Soldering! Version 14+: Wiring Harnesses - Amazon 4.3/5(18)Brand: Beiter DC Power MX500/MX650 BATTERY INSTALLATION INSTRUCTIONS - Razor PDF fileExamine the battery, charger and their connectors for excessive wear or damage each time you charge the MX500/MX650 BATTERY INSTALLATION INSTRUCTIONS. Your Razor product uses sealed lead-acid batteries which must be recycled or disposed of in an environmentally sound manner. Razor Dirt Rocket | MX500 | eReplacementParts Razor MX500 Dirt Rocket Parts. Find Part by Symptom Do you have a wiring diagram for this bike? David for model number Mx500 razor motorcycles. The battery is charging but when you turn the throttle it just makes a clicking sound do you think this is the right part to replace it?