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Firduo Brushless Inrunner Motor 75141 100KV 9KW for Efoil & Jetboard

Name: Firduo Brushless Inrunner Motor 75141 100KV 9KW for Efoil & Jetboard
Brand: Firduo
SKU: 75141-1
Price: 369.0 USD
Availability: InStock

$369.00 $469.00

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KITS

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75141 Motor

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75141 Motor*1+120A CONNECTOR*3

🌊 Firduo 75141 Brushless Inrunner Motor — 100KV / 9KW for Efoil & Jetboard

The Firduo 75141 is a high-torque, fully waterproof brushless inrunner motor engineered for demanding efoil, electric hydrofoil, and jetboard applications. With 50KGF maximum thrust and a robust 18N/20P construction, it delivers the power and reliability needed for serious water sports builds.

⚡ Key Features

✅ Fully waterproof — rated for full submersion in marine environments
✅ High-torque 18N/20P construction for smooth, efficient power delivery
✅ 50KGF maximum thrust — ideal for efoil and jetboard propulsion
✅ Wide voltage range: 5S–18S (21–75V) for flexible battery compatibility
✅ 120℃ working temperature limit for sustained high-power operation
✅ 8mm gold bullet plug connectors for secure, low-resistance connections
✅ 1300mm extension wire — long enough for most efoil mast configurations
✅ Compatible with Firduo FD75200 75V 200A VESC

📋 Specifications

Parameter	Value
Dimensions	D75 × L141 mm
Construction	18N / 20P
KV Rating	100 KV (RPM/V)
Operating Voltage	5S–18S (21–75V)
Max Current	120A
Max Power	9 KW
Rated Power	4.5 KW
Max Torque	12 N·m
Rated Torque	6.2 N·m
Max Thrust	50 KGF
Shaft Diameter	Φ12 mm
Plug Type	8mm Gold Bullet Plug
Extension Wire Length	1300 mm
Insulation Class	AC500V / 1mA / 3S
Waterproof Rating	Fully Waterproof
Working Temp. Limit	120℃
Weight	2.8 KG
Color	Full Black

📦 What's in the Box

Firduo 75141-100KV Brushless Inrunner Motor × 1
8.0mm bullet connectors × 3
120A waterproof connector × 3 (optional kit only)

🔗 Compatible ESC

Designed to pair with the Firduo FD75200 75V 200A Water-Cooled VESC for a complete, high-performance efoil drivetrain. View compatible ESC →

❓ FAQ

Q: What ESC is recommended for this motor?
A: The Firduo FD75200 75V 200A VESC-compatible ESC is the ideal pairing for this motor in efoil applications.

Q: What battery configuration works best?
A: The motor supports 5S–18S (21–75V). For efoil use, 12S–16S LiPo or Li-ion packs are most common.

Q: Is this motor truly waterproof?
A: Yes — the 75141 is fully waterproof and rated for continuous submersion in fresh and salt water.

Q: What propeller size is compatible?
A: The 12mm shaft is compatible with standard efoil propellers. Check your foil mast specifications for the best match.

Q: Can this motor be used for applications other than efoil?
A: Yes — the 75141 is suitable for jetboards, underwater thrusters, and other high-power watercraft DIY builds.