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YAHREE 1404 Brushless Motor for FPV Drone

FPV Motor

2.5–4″ Props

Custom KV

Compact and powerful 1404 brushless motor with 2900KV for 2.5-4″ props. Ideal for lightweight toothpick and micro FPV builds, delivering responsive performance with minimal weight.

● PARAMETERS

LiPo Cells:

4–6S

Weight:

9.6±0.5g

Slots/Poles:

9N12P

Max Current / Power:

12A / 201W

Recommended ESC:

4–6S / 10A

● MOTOR KV

2900 KV

NOTE

Thrust performance varies by propeller, voltage, and test conditions. See the test table below.
Custom KV, appearance, and color options are available for OEM/ODM projects.

Motor Technical Drawing & Dimensions

2900KV Version Specifications

Item	Specification
Motor Diameter (mm)	17.9+/-0.1
Motor Length (mm)	12.2+/-0.2
No. of Slots/Poles	9N12P
Motor KV (RPM/V)	2900+/-10%
Free-Load Current (A@10V)	0.5 Max
Phase to Phase Resistance (25°C, mΩ)	310+/-8%
Max Continuous Current/Power (A/W@16.8V)	8.5/142
Temperature at Max Continuous Current (°C)	70
Max Current/Power (A/W@16.8V)	12/201 (10s Max)
Weight (g)	9.6+/-0.5
Recommended Lipo Cells	4-6S
Recommended ESC	4-6S/10A
Recommended Propeller	2.5~4 Inch
Maximum Operating Temperature of the Magnet (°C)	150 (Recommended Max 120°C)
Motor Torque Constant (Kt, g*cm/A)	43
Motor Constant (Cn, rpm/g*cm)	67.9

2900KV Performance Test Data

Motor Propeller	Current (A)	Voltage (V)	Thrust (g)	Power (W)	Efficiency (g/w)
1404 GF3028-3-Blade Propeller	1.9	16.8	126	31.9	3.95
1404 GF3028-3-Blade Propeller	2.4	16.8	148	40.32	3.67
1404 GF3028-3-Blade Propeller	2.7	16.8	166	45.36	3.66
1404 GF3028-3-Blade Propeller	3.2	16.8	180	53.76	3.35
1404 GF3028-3-Blade Propeller	3.7	16.8	208	62.16	3.35
1404 GF3028-3-Blade Propeller	4.4	16.8	241	73.92	3.26
1404 GF3028-3-Blade Propeller	5.6	16.8	284	94.1	3.02
1404 GF3028-3-Blade Propeller	6.8	16.8	322	114.24	2.82

2900KV Performance Curve

YAHREE 1404 Brushless Motor for FPV Drone

Overview

The CY1404 KV2900 is a high-efficiency, ultra-lightweight brushless motor designed specifically for FPV racing drones and micro quadcopters. Featuring a compact 17.9mm diameter and only 9.6g weight, it delivers an exceptional balance between thrust, efficiency, and responsiveness. With a KV rating of 2900RPM/V, this motor provides strong acceleration and precise control, ideal for both freestyle and long-range FPV builds. It supports up to 6S LiPo batteries, ensuring stable power output and durability under continuous operation.

Applications

FPV racing drones
Cinematic and freestyle quads
Micro and lightweight multi-rotors
Aerial photography and scouting drones

Key Features

High Efficiency: Up to 3.95g/W thrust-to-power ratio
Powerful Output: Maximum thrust of 322g at 16.8V
Durable Design: Capable of continuous 8.5A/142W operation
Precision Engineering: 9N12P structure for smooth performance
Temperature Resistant: Magnet operational up to 150°C (recommended 120°C)
Compact & Lightweight: Ideal for micro-class FPV drones

Packaging & Shipping

Each motor is individually packed in a protective foam box to prevent damage during transport.

Standard Package Includes:

1 × CY1404 KV2900 Motor
1 × Propeller adapter
Mounting screws set

Shipping is available via air express (DHL, FedEx, UPS) or sea freight based on customer preference.

FAQ

What propeller size is recommended?

2.5–4 inch propellers are ideal, with GF3028 3-blade recommended for best balance.

What ESC should I use?

A 30A ESC is recommended for stable performance on 4–6S batteries.

Can this motor handle 6S batteries?

Yes, it supports 4–6S LiPo with stable operation.

Do you offer OEM labeling or custom KV?

Yes, we can customize KV, labeling, and packaging based on your order quantity.