How to Build a Motorized Drift Trike (Step-by-Step Guide)

Building a motorized drift trike from scratch is one of the most rewarding projects in the powersports hobby. You end up with a machine that is completely your own — built to your specs, your weight, your riding style — and the satisfaction of riding something you built yourself is hard to match.

This guide walks you through the complete build process, from choosing your frame to the first test ride.

What You Need: The Complete Parts List

Frame: Start with a purpose-built drift trike frame or a heavy-duty BMX frame. The frame needs to be steel — not aluminum — and rated for the weight of an adult plus engine.

Engine: The Predator 212cc from Harbor Freight is the standard choice for first builds. At $99–$119, it offers excellent value and has a massive aftermarket parts ecosystem. It produces 6.5 HP stock and can be modified for more power later.

Live Axle Kit: A 1″ live axle kit with bearing carriers, hubs, and sprocket. See our drift trike axle kit guide for the best options.

Rear Wheels and Tires: Go-kart tires (11×6.00-5 or similar) with PVC or HDPE drift sleeves over them.

Front Wheel: A 20″ BMX wheel is the standard. Larger is better for stability.

Chain and Sprocket: #40 or #41 chain with matching sprockets on the engine and axle.

Brakes: A disc brake on the rear axle is essential for safety. Do not skip this.

Throttle and Throttle Cable: A handlebar-mounted throttle connected to the engine’s carburetor.

Step-by-Step Build Process

Step 1: Prepare the Frame

Weld or bolt the engine mounting plate to the frame. Position the engine so the output sprocket aligns with the axle sprocket — proper chain alignment is critical for smooth operation and long chain life.

Step 2: Mount the Live Axle

Install the bearing carriers on the rear of the frame. Thread the axle through the bearing carriers and secure the wheel hubs on each end. Make sure the axle spins freely with no binding.

Step 3: Install the Engine

Mount the Predator 212cc to the engine plate. Connect the throttle cable. Install the engine sprocket and run the chain to the axle sprocket. Adjust chain tension — you want about 1/2″ of slack.

Step 4: Install the Rear Wheels

Mount the go-kart tires on the wheel hubs. Slide the PVC drift sleeves over the tires. The sleeves should fit snugly but be able to spin freely around the tire.

Step 5: Install the Brakes

Mount the brake disc on the axle and install the caliper. Run the brake cable to a lever on the handlebars. Adjust the caliper so the disc runs true with minimal drag.

Step 6: Test and Adjust

Before your first real ride, do a slow-speed test in a safe area. Check chain tension, brake function, and throttle response. Adjust as needed.

Estimated Build Cost

Component Estimated Cost
Predator 212cc Engine $99–$119
Drift Trike Frame $150–$300
Live Axle Kit (with wheels) $150–$320
Front Wheel (20″ BMX) $30–$60
Chain and Sprockets $30–$50
Brakes $40–$80
Throttle and Cable $15–$30
Total $514–$959

Where to Buy Parts

Final Thoughts

Building a motorized drift trike is a weekend project that pays off every time you ride. Take your time on the chain alignment and brake setup — those two things determine whether the trike is fun or frustrating. Everything else is straightforward.