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MotoTec

MotoTec X4 150cc 4-Stroke Gas Dirt Bike Black – Recreational Outdoor Use Only

SKU MT-DB-X4-150cc_Black-1
$1,599.00
$1,599.00
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Estimated shipping time

You can typically expect your items to arrive within 4–7 business days, depending on your location and product availability.

What is your Return Policy?

At Northgrid Supply, we want every customer to shop with confidence. If something doesn’t go as planned, we’ve made returns and refunds simple and fair. Here’s how it works:

1. Return Window

You can request a return within 30 days of receiving your order. Unfortunately, we’re unable to accept returns after that time frame.

2. Who Pays for Return Shipping?

  • If your item arrives damaged, defective, or incorrect, we’ll cover the return shipping cost.
  • If you’re returning an item because you changed your mind, you’ll be responsible for return shipping fees.

3. Damaged or Defective Items

Received something broken or not working properly? Contact us within 30 days. We’ll provide a prepaid return label and once the item is returned and inspected, we’ll issue either a full refund or a replacement—including any original shipping costs.

4. Changed Your Mind?

If you no longer want the item, you can return it within 30 days—as long as it's unused, in its original packaging, and in resellable condition. You’ll need to handle the return shipping, and once we receive and inspect it, we’ll refund the product cost (excluding shipping).

5. Refund Processing

Once we receive and approve your return, we’ll send a confirmation email and issue a refund to your original payment method within 7 business days. Please allow additional time for banks or credit card companies to process and reflect the refund.

If it’s been over 10 business days since your refund was approved and you still don’t see it, contact us at support@northgridsupply.com and we’ll look into it immediately.

6. Restocking Fees

In some cases, a restocking fee may apply depending on the item and return reason. If applicable, we’ll clearly communicate this during your return request process.

MotoTec X4 150cc 4-Stroke Gas Dirt Bike Black

The MotoTec X4 150cc 4-Stroke Gas Dirt Bike Black is a off-road recreational ride-on bike designed for outdoor recreational riding on private property, dirt tracks, trails, motocross parks, and approved off-road recreation areas. It is built for recreational use only and is not intended for public streets, highways, sidewalks, bike lanes, parking lots, or any public right-of-way.

Designed with motocross styling and a high-strength steel frame, this dirt bike includes front inverted hydraulic adjustable forks, rear mono shock suspension, disc brakes, outdoor rubber tires, and aluminum gravity cast rims. It is recommended for riders ages 16 and up.

Performance, range, speed, and battery life may vary based on rider weight, terrain, riding mode, surface conditions, temperature, and overall riding style.

At a Glance

Motor / Engine 150cc 4-Stroke Single Cylinder Air Cooled, CB150D
Battery Electric start and kick start, 12V battery
Top Speed 56 MPH, with adjustable speed limiter
Max Rider Weight 220 lbs
Recommended Age 16+

Key Features

  • 150cc 4-stroke single-cylinder air-cooled engine
  • 144.6 ml displacement
  • 8.6 HP maximum power at 8500 RPM
  • 7.37 ft-lb maximum torque at 7500 RPM
  • Electric start and kick start with 12V battery
  • 5-speed manual wet multi-plate transmission with clutch lever
  • Nibbi PE28J carburetor
  • #520 chain drive train
  • 6.5-liter / 1.72-gallon fuel tank
  • Front inverted hydraulic adjustable forks
  • Rear non-adjustable shock
  • Front dual-piston 240mm disc brake
  • Rear single-piston 240mm disc brake
  • 19" front tire and 16" rear tire
  • Top speed of 56 MPH with adjustable speed limiter
  • 60-mile cruising range per tank
  • Recommended for ages 16+
  • Spark Plug:

Specifications

Motor 150cc 4-Stroke Single Cylinder Air Cooled, CB150D
Displacement 144.6 ml
Max Power 8.6 HP @ 8500 RPM
Max Torque 7.37 ft-lb @ 7500 RPM
Compression 9.2:1
Transmission Manual wet multi-plate with clutch lever, 1-N-2-3-4-5
Engine Oil SAE 10W/40
Engine Start Electric start and kick start, 12V battery
Carburetor Nibbi PE28J
Drive Train #520 chain, T, T sprockets
Fuel Tank 6.5 Liter / 1.72 Gallons
Wheelbase 1320 mm
Front Tire 80/100-19, 19 inch
Rear Tire 100/90-16, 16 inch
Seat Height 35 inches
Max Rider Weight 220 lbs
Ground Clearance 315 mm
Frame Central tube high strength steel frame
Front Forks Inverted hydraulic adjustable forks 51 x 54 x 830 mm, travel 180 mm
Rear Shock Non-adjustable shock, travel 90 mm
Swing Arm 560 mm steel
Rims 1.6 x 19, 2.15 x 16 aluminum gravity cast
Front Brake Dual piston, 240 mm disc
Rear Brake Single piston, 240 mm disc
Dirt Bike Dimensions 76 x 32 x 47 inches
Dirt Bike Dry Weight 231 lbs
Box Size 67 x 18 x 34 inches
Box Weight 298 lbs
Engine Oil Summer, Winter
Top Speed 56 MPH, with adjustable speed limiter
Cruising Range 60 miles per tank
Recommended Age 16+
Max Rider Weight 175 lbs
Warranty 60 days parts replacement

Safety and Riding Guidelines

  • Wear proper protective gear. Always wear an approved helmet. Goggles, gloves, elbow and knee pads, and long pants are strongly recommended. Wear lace-up shoes with rubber soles.
  • Ride only in safe, permitted areas. Use only on private property, dirt tracks, trails, motocross parks, and approved off-road recreation areas. Do not use on public streets, highways, sidewalks, bike lanes, or any public right-of-way.
  • Supervise younger riders. Adult supervision is required for all riders under 18. Confirm the rider meets the age, height, and weight guidance listed above.
  • Operate responsibly. Keep both hands on the controls, avoid high-risk maneuvers, and never operate while impaired or unwell.
  • Inspect before every ride. Check brakes, tire pressure, fasteners, throttle response, and battery or fuel level before riding.
  • Observe weight and weather limits. Do not exceed the maximum rider weight. Avoid riding in rain, storms, fog, or other extreme conditions, and keep electrical components away from water.

Important — Recreational Outdoor Use Only

The MotoTec X4 150cc 4-Stroke Gas Dirt Bike Black is intended for off-road recreational use only. It is not a motor vehicle, is not street legal, and is not designed, sold, or approved for use on public streets, highways, sidewalks, bike lanes, or public roadways. Use only in safe, permitted off-road recreation areas with the landowner's permission. Always follow local rules and regulations and wear appropriate safety gear, including a helmet.

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