Razor made these Ground Force go-karts a little too weak. Here’s how I modified ours to make strong enough for an adult to ride and enjoy.
Parts:
Razor Ground Force go-kart
48v 1000w motor (kit) - r.ebay.com/gjauD1
48v 1000w motor controller
(4) 12v 7ah batteries [it comes with 2 so you’ll need 2 more] - a.co/hIcQc2r
48v battery charger
(6) ⅜” x 6” bolts w/ 3 nuts, 3 washers and 3 lock washers per bolt (18 total of each)
(2) 1’ lengths of ½” conduit to make the seat support bars
16g metal strapping for crossing supports (about 4’ total)
#25 roller chain connector link - a.co/0XVpwpZ
(Chain break tool, if you don’t already have one) a.co/iI3wiPw
Steps:
Remove the seat, motor cover, motor controller, and motor. Keep the motor controller, you’ll use some of the connectors.
Place the new motor on the old motor mounting plate and mark locations for new holes.
Fit the chain on the motor and drive gear. If it doesn’t fit well, adjust it by lengthening the chain and/or raising the motor using chain connector links and washers.
Lift the seat using the 6” bolts. Drill holes for new farther-back bolt. Adjust nuts so the seat is at least 4 ½” above the base of the go kart frame.
Place cross supports. I used 16g metal strapping, you could use ½” conduit or something else you have handy.
Place 4 batteries between the crossing supports. Wire in series (+ to -)
Secure Motor controller
Make electrical connections (use motor controller wiring diagram or labeled connectors):
Charger
Brake
Throttle - Should be red/green/black wires
Power switch
Batteries - Large red and black wires; Solder and Hot Glue connections
Motor - Blue (controller) to Red (motor) and Yellow (controller) to Black (motor)
Test power switch, throttle, and direction of wheels.
Secure all wires, replace motor cover, raise motor cover if sprocket and chain are rubbing.
Replace seat and seat belt.
That’s it!
Go have some fun!
6 окт 2024
