MotoTec X4 150cc 4-Stroke Gas Dirt Bike

Original price was: $1,599.00.Current price is: $1,439.10.

The X4 150cc 4-stroke dirt bike has a modern 150cc engine that is faster, torquier and easier to start, with electric start, an improved carburetor and standard safety features.

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MotoTec X4 150cc 4-Stroke Gas Dirt Bike

The MotoTec X4 150cc 4-Stroke Gas Dirt Bike is a gas dirt bike. It combines a 150cc 4-Stroke Single Cylinder Air Cooled motor and a top speed of 56 mph (with adjustable speed limiter).

Browse it alongside the rest of our gas dirt bikes, compare the specs below, and choose the setup that fits how you ride.

At a glance

  • Speed: up to 56 mph (with adjustable speed limiter)
  • Power: 150cc 4-Stroke Single Cylinder Air Cooled
  • Braking: Dual Piston, 240mm Disc
  • Suspension: Non-adjustable shock, 90mm travel
  • Max load: 220 lbs

Full specifications

Specification Detail
Engine 144.6 ml
Motor 150cc 4-Stroke Single Cylinder Air Cooled
Top Speed 56 mph (with adjustable speed limiter)
Transmission Manual Wet Multi-Plate with Clutch Lever
Brakes Dual Piston, 240mm Disc
Suspension Non-adjustable shock, 90mm travel
Tires 80/100-19 (19 inch)
Max Load 220 lbs
Recommended Age 16+
Seat Height 35 inches
Wheelbase 1320 mm
Ground Clearance 315mm
Frame Central Tube High Strength Steel Frame
Product Weight 231 lbs
Dimensions 76x32x47 inches
Warranty 60 days parts replacement

Who it’s for

This one is built for riders chasing raw off-road performance. It supports riders up to 220 lbs and is recommended for ages 16+.

Key features

Purpose-built power

The 150cc 4-Stroke Single Cylinder Air Cooled motor pushes this gas dirt bike to 56 mph (with adjustable speed limiter).

Control and comfort

It pairs Dual Piston, 240mm Disc for confident stopping with Non-adjustable shock, 90mm travel suspension to smooth out rough ground.

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Frequently asked questions

How fast is the MotoTec X4 150cc?
It reaches 56 mph (with adjustable speed limiter).

What is the maximum rider weight?
Up to 220 lbs.

What age is it recommended for?
It’s recommended for ages 16+. Always match the ride to the rider’s size and confidence.

Always ride with a properly fitted helmet and appropriate safety gear. For riding-safety and battery-care guidance see NHTSA.

General Inquiries

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