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That's awesome. You're going to love it. Oh, watch out for that motor mount. I've seen that they are thin and may flex or bend.

My kart is an original Manco Dingo and I extended the pedal positions. What size tires did that come with?

Orange kart has 20 panasonic lithium cells from a Ford Energi. The black kart which is the original version of yours has a single 16s lithium pack from a Chrysler Pacifica hybrid.

You need 3 12v batteries wired in series. You likely killed your power tools batteries by pulling too much current or over discharging them. Mobility scooter motors are geared for torque, not speed. So unless you change the gear ratio or install larger tires the only way to get more speed is...

I put the batteries under the steering hoop for both of my karts. Helps with weigh distribution.

This is a very nice and expensive build. Awesome

So this was interesting. https://youtu.be/klohq8X9J-M https://youtu.be/nhFevWe4Gt0 After a few passes outside I turned down the torque a lot. Then it turned into a car with one huge turbo. Smooth off the line and then whoosh.

That's the factory installed brake and it comes on a lotmof trail master gokarts.

I haven't installed it yet, need to fab a different bracket and space the wheel out a little. But otherwise it will be great. https://www.amazon.com/gp/product/B07T4TB62H/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

Update I've upped the battery to 20s. Top speed with the 72v motor is about 30mph on flats. Drops with the battery. I'm going to put my big motor on here but decided to try a small 60v motor before I do that. 60v at 80v is pretty fun. Didn't notice much torque loss and the top speed went up...

My gokart uses an ME1611 (200amp 96v version of me1012, special order likely made for Zero Motorcycles) and a battery from a Chrysler Pacfica. Kart weighs 400lbs including me and hits the top speed of 45mph very quickly. I'm only running 66v so that limits me to 12kw. Otherwise my motor is rated...

I think its easier to build a gasser but easier to keep an EV running. Gasser, just buy a predator 212 with built in gas tank. Add oil and gas. Hook up gas pedal cable and run it. Easiest EV is the 48v brushless combo. Motor and controller hook up simple, but you have to make connectors and...

How were you adjusting chain tension? Only way this can happen is if you did not have all four motor bolts tightened down.

You meant it won't be as loud. Technology is becoming cooler with each generation. Out with the old and in with the new. If you need a good example just look at manual transmissions. Soon those will only be found in classics and custom builds.

Okay, I'm actually impressed with the power output of a $130 motor with a $120 controller. https://www.youtube.com/watch?v=tDlTBf5wgQM

Exactly. One day electric will also rule the drag strip.

The current Pikes Peak Record belongs to an EV and this is just the beginning. https://www.youtube.com/watch?v=ZnXtAK3dYoE https://www.youtube.com/watch?v=QnH15dejp0s

Thanks. It's great for weight distribution as well as keeping an eye on it.

Great job. Based on how smooth video one is, I bet you have the motor wiring perfect. A 48v motor can easily handle 300lbs.

Bike = motor bike. Race kart is up next. I needed something to ride with the kids first and the Razor Dune I built up was just too small. The front bumper and rear motor mount are just fine considering those parts are factory stock Here's a video of a factory gasser for reference. Doubt my...