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Castle 1512 1Y Sensored Motor - 2650Kv
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Castle 1512 1Y Sensored Motor - 2650Kv

Product #: 060-0061-00

You asked. We listened.

For more than a decade Castle has been providing award winning brushless sensorless motors to R/C enthusiasts worldwide. In response to overwhelming requests by our customers, we have brought technological advancements together that will deliver unprecedented performance in our new SENSORED motor line.


Drivers in all applications demand clean starts when coming off the line. Crawler fans require high-precision low speed control and torque for climbing, racers need precision and predictability, and dragsters don’t have a millisecond to spare. To achieve all of these performance demands and more, we have integrated rotor position sensor technology with our improved high power and high efficiency motor design. Through the use of our sensors, the position of the rotor is always known by the ESC. This eliminates the possibility of encountering cogging or inconsistency during startup. Users will experience PRECISE throttle control and BUTTERY SMOOTH starts plus the RAW POWER and LONGER RUN TIMES that our highly efficient motors produce.


When tasked with designing a sensored motor our engineers started with the question,

“What makes a motor great?”

  • Efficiency
    • You can push it harder (gear it up)
    • You can run it longer (with the same battery)
    • It stays cool under extreme loads
  • Reliability
    • Ability to withstand the harsh demands of any RC application
    • Long-life, high-quality components
    • Proven manufacturing techniques


The higher the efficiency of a motor the more power it can produce without overheating, which allows you to safely run higher gear ratios. The higher the efficiency of a motor, the less power it takes to produce the same output power, which allows you to run longer on a single charge. The higher the efficiency of the motor, the less energy it turns into heat; keeping it cool under extreme loads. Efficiency equals performance.


Without a robust and reliable design, efficiency will only go so far. RC enthusiasts love pushing their equipment to the edge. The Castle engineers know this and spared no expense when developing a design that could hold up to the harsh conditions that the RC community will throw at it. Oversized NMB bearings and vibration dampening system ensure the longest bearing life possible. High-strength, high-temperature grade neodymium sintered magnets combined with a high-strength Kevlar wrap ensures the integrity of the rotor is not compromised during harsh running conditions. Our proprietary winding techniques allow us to produce a stator assembly that is the lowest possible resistance, resulting in a cooler running motor. A cooler motor has a longer lifetime. Construction of our motor required careful component selection; each verified through internal testing to ensure the highest efficiency possible. In the end, the result is a motor with unmatched quality, performance, and reliability. We wouldn’t put our name on anything less.

(Based on 3 vote(s))
2 review(s) | Write a review
USD $154.95 /EA
List Price: USD $188.95 /EA
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  • Minimum Input Voltage : 2S
  • Maximum Input Voltage : 4S
  • Sensored Capable : Yes
  • Recon G6 Certified Motor : No
  • ROAR Certified Motor : Yes
    • EA
  • Availability: Currently Out of Stock
Technical Specs
Input Voltage Range: 2S-4S LiPo
Kv: 2650
Max. RPM: 60,000
Size: Length: 67.7mm
Diameter: 40mm (41.4mm with fins)
Weight (w/wires): 383g (13.6oz) with wires. 334g without wires.
Shaft Size: Length: 20mm
Diameter: 5mm
Mounting Hole Specifications: M3 and M4 @ 25mm
Cooling Fan: Optional, coming soon!
Connectors: 6.5mm male Castle Bullet Connectors, includes 210mm length sensor wire.
Items Needed for Operation: Compatible Electronic Speed Control (ESC)
Application Guidelines: Ideal for 1:8 scale off-road and on-road vehicles as well as 1:10 scale 4WD SCT up to 9lbs. (ROAR 1/8 MOD APPROVED)
Recommended ESC(s): Mamba Monster X
Max. Recommended Vehicle Weight: See application guidelines
Tech Notes:

Running modes: SMARTSENSE™, Sensored, Sensorless with Castle sensored capable ESCs.

Water Resistant Design: The sensor board is coated with silicone conformal coating to protect the sensors from moisture. The sensor connections are not water resistant; water can cause signal loss which could result in loss of sensored capabilities. Castle recommended applying dielectric grease to the outside of the sensor wire connections after installation of the wire. Routine maintenance is recommended after running in wet conditions. Please refer to this document for running and maintaining motors in wet environments.

Sensored Motor Quick Start

*Software downloadable at no cost from, and requires a Castle Link USB adapter and USB enabled Windows™ PC.

Castle Creations, Inc. warrants this product to be free from manufacturing defects for a period of one year from date of purchase.

This is a high power product with the potential to be very dangerous. Please read the safety information before use. This product may contain chemicals known to the State of California to cause cancer and or birth defects or other reproductive harm.

Motor designed in Olathe, Kansas USA.
Motor made in China.


  • Our IMPROVED 4-POLE 12-SLOT design boasts exceptional EFFICIENCY and produces LESS HEAT.
  • QUIETSENSE™ technology shields the sensors from magnetic field noise generated from the motor coils and keeps your motor and ESC in sync at all times. Use of a Flux Shield™ in conjunction with secondary Sense Magnets delivers even HIGHER PRECISION and MORE EFFICIENT startups.
  • Our OPTIMIZED design eliminates the need for mechanical timing adjustments. Our sensor alignment method delivers uniform timing and torque in both directions, automatically.
  • REBUILDABLE design allows users to replace front end bell/bearing assembly or rotor/shaft assembly.
  • ROAR standard sensor port and labeled connections.
  • Updated modern and sleek design; looks as cool as it performs.

Immense care is taken by our US design team during every step of the development process. While using the highest quality components is important, design is equally important. Our experienced, in-house engineering team, located in Olathe, Kansas, has spent countless hours simulating and developing the most efficient design. Development includes magnetic simulations, custom winding techniques, and rigorous, real-world testing of the final product.

You will reap the benefits of longer run times on one battery and a cooler running motor that can be pushed harder.

We take OVERPOWERING seriously.


Castle engineers always add a little something extra in their designs that takes your performance to the next level. We have not skimped here. Many customers have utilized our industry leading software functionality that Castle Link* offers. When paired with a Castle Creations sensor supported ESC, like the MAMBA MAX PRO, MAMBA X or MAMBA MONSTER X, you can unlock advanced tuning capabilities that Castle Link provides specifically for sensored motors.

SMARTSENSE™ uses the motors sensors to start the motor to provide smooth starts, excellent torque, and low-speed drivability. Once the motor is turning, it seamlessly transitions to Castle’s ULTRA- EFFICIENT sensorless mode. When running, a motor must transition between different load points and a different timing advance is required for optimal efficiency at all load points. Using mechanical timing adjustments alone, you can only target one driving condition, such as higher start power or higher top end speed. This sacrifices performance and efficiency during the other driving phases. Electronic timing in SMARTSENSE™ will advance timing automatically for peak performance during all driving conditions. This allows users to combine the best of both worlds in an unrivaled HYBRID between smooth sensored startups and high-efficiency sensorless drive.

With a Castle sensored ESC and sensored motor you will have the ULTIMATE POWER PLANT for your vehicle. Users will experience PRECISE throttle control, BUTTERY SMOOTH starts, PEAK PERFORMANCE and EFFICIENCY throughout the full throttle range. You will feel the POWER and LONGER RUN TIMES that a WORLD-CLASS motor produces.

It’s not magic… it’s SMARTSENSE™.

Average rating:
(Based on 3 vote(s))
Rate this product:
Rob B From United States
Exactly what the Yeti needed to bring it to life.
August 8, 2020
This motor WILL fit without trimming the battery tray on the 1/10 axial yeti! (it is pretty much exact fit, very snug.) If you want to use the sensor wire, you WILL have trim the tray though.

My Axial yeti is approx 8-9lbs due to the many upgrades I have done to it (mainly in the drivetrain). As such, the stock ESC/Motor combo was struggling quite a bit when attempting to drive it. Last year I swapped in a Mamba Monster X ESC, but kept the stock 3100kv motor installed, as these motors were out of stock everywhere. I jumped on the chance to buy it when I saw it in stock on another site after I confirmed that it worked for other Yeti owners. And oh boy does it work.
Even though this motor is 500kv less than the stock motor, it has so much more power. Even with the same gearing and pinion, the yeti feels quite a bit faster, both off the line and at top speed. And that was even using identical settings on the MMX (Don't worry, I made sure to re-do the 'Motor Test' in order to have the ESC match up to the new motor).
Really shows how much the old motor was struggling to power the yeti, even on 3s. I was thinking about running a smaller pinion and moving to 4s, but after my test run on 3s, I'm very happy with this motor, it feels like a whole new vehicle!

The only downside I see is the small (maybe 10 minutes) worth of work to trim the battery tray in order to make room for the sensor. The motor itself fit, though it was very snug. (the can is 67.7mm long, and the max can length on the yeti is 68mm.) A small amount of work to trim the battery tray lip to give the sensor wires some room was all that was needed.
1 of 1 people found this review helpful
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Marvin Stanback From United States Ohio
1512 2650kv
September 13, 2019
This motor screams.......Really woke up my Serpent cobra gt paired with the Mamba Monster X esc WOW !!!!
3 of 3 people found this review helpful
Was this review helpful to you? (3) (0)

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