Here is a simple plug n play kit. Flip up the seat and install is less than 5 minutes. the only other mod is trim off the plastic on the bottom of the seat as pictured for easier install (can be done without doing that).
Electric Motor Kit Crazy Cart 500 Watt 48V Over Volt Currie XYD-6B2+Co – AlfaWheels
Razor Crazy Cart XL 36 volt Performance Upgrade Speed Controller
Razor Crazy Cart XL: Drift Scooter 36V
Crazy Cart XL - Razor
Taxi Garage 900w 48v Upgrade Kit Installation – Razor Crazy Cart
You are about to be the next man on the moon!, Lead Time: 3 weeks THERE IS A LOT OF WORK THAT GO INTO THESE!, CUSTOM COLORS ARE INCLUDED IN THE PRICE.
XL TAXI GARAGE Crazy Cart (STAGE 5)
This runs your EXISTING 36 VOLT MOTOR IN 48V--50% more power all around. Yes our connector only has 3 pins, I know this.
Razor Crazy Cart XL Controller 48V volt Performance Overvolted Speed Controller
Razor Crazy Cart XL 36 volt Performance Upgrade Speed Controller
Here is a simple plug n play kit. Flip up the seat and install is less than 5 minutes. the only other mod is trim off the plastic on the bottom of the
Razor Crazy Cart XL 36v to 48v volt Overvolt Performance Speed Kit
Razor Crazy Cart Fans
Razor MX350 and MX400 36 Volt 1000 Watt Modification Kit with 12Ah Battery Pack #KIT-MX361000-01
Universal Parts Motor Compatible with Razor Crazy Cart XL (36V, 500W) : Sports & Outdoors
Universal Parts Motor Compatible with Razor Crazy Cart XL (36V, 500W) : Sports & Outdoors
Razor Crazy Cart Fans
Drift Go Kart Build Part 2 40V Razor Ground Force