🌊 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

📦 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.