HOBBYWING EZRUN 4990SD 1650KV BLACK G2 SENSORED MOTOR HW30402450

Overview

The Hobbywing EZRUN 4990SD 1650KV Black G2 Sensored Motor is a professional-grade brushless motor designed for high-performance RC cars and trucks in the 1/7th and 1/8th scale categories. This motor represents the pinnacle of brushless motor technology, engineered for serious RC enthusiasts who demand reliability, power and precision in their RC car UK setups. Whether you're running an ARRMA Mojave, Kraton 6S, Outcast 6S, Traxxas XRT, or X-MAXX, this sensored motor delivers the performance and durability you need to dominate the track or bashfield.

The 4990SD model has been refined through Hobbywing's G2 generation, incorporating advanced engineering and all-weather capabilities that make it suitable for year-round RC driving across the UK. At 1650KV, this motor strikes an excellent balance between acceleration and top-end speed, making it the ideal choice for serious short course truck, on-road, and heavy-duty monster truck applications. The brushless design eliminates carbon brush maintenance whilst delivering consistent power delivery and efficiency that brushed motors simply cannot match.

Built with sensored technology, this motor provides smooth low-speed performance and precise throttle control that sensorless alternatives struggle to achieve. The pre-installed 6.5mm bullet connectors combined with included 8mm adapters ensure compatibility with virtually any ESC you might pair it with, including Hobbywing's Max5 G2. If you're serious about ready to run RC performance and want a motor that will stand up to years of bashing and racing, the EZRUN 4990SD is an investment in reliability and power.

Key Features

• Elegant Spiral Groove Heat Dissipation Design — The motor casing features an innovatively designed spiral groove heat dissipation structure that keeps temperatures down during extended running sessions whilst providing a visually striking appearance that looks purposeful and premium on any RC vehicle.
• 8S LiPo Compatibility — This motor supports a wide voltage range from 3S through to 8S LiPo batteries, giving you flexibility to choose the power level that suits your driving style and allows upgrading your battery pack as you progress.
• Sensored Technology — The integrated sensor system provides superior low-speed torque, smooth acceleration from standstill and precise throttle control that makes a dramatic difference in off-the-line performance and overall drivability compared to sensorless motors.
• Dual Connector System — Comes pre-fitted with 6.5mm bullet connectors and includes additional 8mm size motor plugs, ensuring compatibility with both standard ESCs and larger-connector models like the Max5 G2 without requiring adapters.
• All-Weather Sensor Harness — The exclusive Hobbywing all-weather sensor plug system achieves IP67 protection rating, keeping moisture and contaminants out of the sensor system so you can run fully sensored combos in wet conditions, rain and challenging weather across the UK.
• Modular Design for Easy Maintenance — The motor adopts a modular structure that makes cleaning and maintenance straightforward, allowing you to keep the motor running at peak efficiency and effectively extending its service life with minimal effort.
• Fixed Timing Configuration — Pre-set timing optimises performance out of the box without requiring adjustment, meaning experienced racers can concentrate on tuning whilst beginners benefit from plug-and-play reliability.
• 4-Pole Brushless Design — The 4-pole stator configuration delivers smooth, consistent power delivery with excellent efficiency across the entire throttle range, from delicate crawling speeds through to full-throttle acceleration.

Technical Performance

The Hobbywing EZRUN 4990SD is engineered with precision-machined components and high-quality materials throughout. At just 701 grams, the motor offers an excellent power-to-weight ratio without compromising durability or performance. The 49mm outer diameter fits standard 1/7th and 1/8th scale motor mounts, whilst the 90mm length and 5mm shaft diameter are industry-standard specifications that ensure compatibility with virtually all modern RC chassis in these scales. The front and rear bearings (D19×D6×T6) are dimensioned for smooth rotation and extended service life, even under demanding racing conditions. With a no-load current draw of just 7.0A, this motor operates efficiently across its entire 3-8S LiPo voltage range, meaning you won't experience excessive drain on your batteries during running sessions. The 1650KV rating positions this motor perfectly for applications requiring strong torque and acceleration, making it ideal for heavy-duty monster trucks, short course trucks, and on-road vehicles that demand responsive handling and reliable power delivery. The brushless design eliminates mechanical commutation wear entirely, meaning consistent performance session after session without the maintenance hassles of brushed alternatives. Whether you're pushing an ARRMA Mojave 6S to its limits on a UK bashfield or competing with a Traxxas XRT at your local track, this motor provides the engineering quality and performance consistency that Hobbywing is renowned for.

What's in the Box

• Hobbywing EZRUN 4990SD 1650KV Brushless Sensored Motor (Black)
• 6.5mm bullet connectors pre-installed on motor power wires
• Additional 8mm size motor plug adapters for ESC compatibility
• All-weather sensor harness with IP67 rated waterproof connector

Frequently Asked Questions

• Is the Hobbywing EZRUN 4990SD suitable for beginners? — Yes, absolutely. Whilst this is a professional-grade motor, the sensored technology actually makes it more beginner-friendly than sensorless alternatives because it provides smooth power delivery and easy throttle control. The modular design also makes maintenance straightforward, so you can learn to care for your RC motor without complexity. However, you will need an appropriate ESC and battery pack to use it.
• What battery does the EZRUN 4990SD need? — This motor supports 3S through to 8S LiPo batteries, giving you excellent flexibility. A 6S LiPo pack is a popular sweet spot for this motor in applications like the ARRMA Kraton 6S or Traxxas X-MAXX, but you can start with 3S for lower speeds and upgrade to 8S for maximum performance as your skills develop.
• What makes the sensored system so important? — The sensored design means the ESC knows exactly where the rotor is at all times, enabling perfect timing and smooth commutation. This translates to superior low-speed torque, better throttle response, no cogging sensation, and more responsive steering feel. You'll notice the difference immediately compared to sensorless setups.
• Can I use this motor in the rain and wet conditions? — The all-weather sensor harness with IP67 protection means the sensor system is splash-proof, water-proof and dust-proof under normal usage conditions. However, the rating is not permanent and protection may decline over time through wear and aging. Do not soak the motor in water for extended periods as this can cause damage. Regular rinsing with fresh water after wet weather running is good practice.
• What ESCs are compatible with this motor? — The motor comes pre-fitted with standard 6.5mm bullet connectors and includes 8mm adapters, so it's compatible with virtually any brushless ESC on the market. It pairs exceptionally well with Hobbywing's own ESCs including the Max5 G2, but works equally well with alternatives from other manufacturers.
• Is this motor suitable for my ARRMA or Traxxas truck? — Yes, the EZRUN 4990SD is specifically recommended for heavy-duty applications like the ARRMA Mojave 6S, Kraton 6S and Outcast 6S, as well as Traxxas models including the XRT and X-MAXX. Check your vehicle manual for motor specifications to confirm compatibility with your specific model.
• What's the difference between this 4990SD and other Hobbywing motors? — The 4990SD designation indicates this is a sensored motor (SD) with a 4-pole configuration, 49mm diameter and 90mm length. The 1650KV rating is optimised for 1/7th and 1/8th scale vehicles requiring strong torque. The G2 generation includes the all-weather sensor harness and refined engineering. The 4990SD sits in a sweet spot for balanced performance across short course trucks, on-road, and monster truck applications.

Why Buy from RC Model Shop?

RC Model Shop is a trusted UK RC retailer and authorised dealer for all the brands we stock, including Traxxas, ARRMA, Losi, FTX, Hobbywing, Spektrum and more. Based in Walsall, we have a physical store where customers are welcome to come in, view products and purchase in store. Whether you are a seasoned competitor, a weekend basher, or just discovering the world of RC for the first time, our team of experienced RC enthusiasts is here to help you find the perfect setup and provide ongoing support. Order the HOBBYWING EZRUN 4990SD 1650KV BLACK G2 SENSORED MOTOR HW30402450 today with confidence, knowing you are buying from an authorised retailer with genuine products, expert knowledge and a commitment to customer satisfaction. Shop online or visit us in Walsall — we look forward to helping you get the most out of your RC experience.