{"product_id":"firduo-3kw-efoil-kit-65121-motor-manatee-100-vesc-vx3-remote","title":"Firduo 3KW eFoil Kit – Manatee 100 ESC + 65121 Motor + VX3 Remote for Hydrofoil \u0026 Electric Surfboard","description":"\u003ch3\u003e🌊 3KW Drive System. VESC-Based. Ready to Build.\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFirduo 3KW eFoil Kit\u003c\/strong\u003e is a complete, pre-matched propulsion bundle combining the \u003cstrong\u003e65121-130KV Waterproof Brushless Motor\u003c\/strong\u003e, \u003cstrong\u003eManatee 100 75V 100A VESC\u003c\/strong\u003e, and \u003cstrong\u003eVX3 IP67 Waterproof Remote Controller\u003c\/strong\u003e — everything you need to power a high-performance eFoil, electric hydrofoil, or electric surfboard build.\u003c\/p\u003e\n\u003cp\u003eThe 65121 motor delivers \u003cstrong\u003e3,700W peak \/ 2,000W rated power\u003c\/strong\u003e with a 12mm threaded shaft (M8) and 18N\/6P internal structure — a significant step up from the 65111 for riders demanding more thrust and higher top speed. Paired with the \u003cstrong\u003eManatee 100 VESC\u003c\/strong\u003e (75V \/ 100A continuous, VESC Tool 3.01 compatible) and the \u003cstrong\u003eVX3 IP67 remote\u003c\/strong\u003e with UART telemetry, this kit delivers a fully integrated, tunable drive system. Just add your battery, mount, and board.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e⚡ Key Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eComplete Matched 3KW System\u003c\/strong\u003e — 65121 motor, Manatee 100 VESC ESC, and VX3 remote pre-matched for voltage(13S), current, and signal compatibility\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e65121-130KV Motor\u003c\/strong\u003e — 3,700W peak \/ 2,000W rated, 12mm threaded shaft (M8), 6–20S voltage range, 100A max current\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eManatee 100 VESC\u003c\/strong\u003e — 75V \/ 100A continuous \/ 200A peak, 6× IRF7769L MOSFETs, water-cooled, VESC Tool 3.01 compatible\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eVX3 IP67 Waterproof Remote\u003c\/strong\u003e — 1.6-inch display, GPS, MOS temperature, cruise control, UART + PPM, wireless charging\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eVESC Tool Full Configurability\u003c\/strong\u003e — motor auto-detection, throttle curve tuning, telemetry via UART; custom firmware 5.03 pre-installed\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eHigher Torque \u0026amp; Thrust vs 65111\u003c\/strong\u003e — rated torque 2.9 N·m \/ max torque 5.5 N·m for demanding eFoil builds\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSuitable for eFoil, Hydrofoil, Electric Surfboard\u003c\/strong\u003e — high-power drive system for performance water sport builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e📋 Full Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e65121-130KV Waterproof Brushless Motor\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e65121-130KV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e65 × 121.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e130KV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShaft Specification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eØ12mm × M8 threaded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInternal Structure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18N \/ 6P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6S–20S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e52A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2,000W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3,700W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Torque\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.9 N·m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Torque\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.5 N·m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePhase Wire\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3× 8AWG (6.00mm), with 8.0mm gold plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIsolation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC 500V \/ 1mA \/ 3s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.92 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/65161_Thread_Shaft.jpg?v=1781448730\" alt=\"Firduo 65121 Motor 12mm Threaded Shaft M8 Specification Drawing\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/458bfaf692273a10c7de1939fb5fdf85_1024x1024.jpg?v=1781448731\" alt=\"Firduo 65121-130KV Waterproof Brushless Motor Dimension View\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/firduo.com\/products\/6940985196722\" style=\"color: rgb(0, 0, 0); text-decoration: underline;\" target=\"_blank\"\u003eManatee 100 — 75V 100A Water-Cooled VESC \u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100%; height: 183.344px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.1444%; height: 19.5938px;\"\u003e\u003cstrong\u003eMax Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.4946%; height: 19.5938px;\"\u003e75V (recommended ≤16S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.1444%; height: 19.5938px;\"\u003e\u003cstrong\u003eContinuous Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.4946%; height: 19.5938px;\"\u003e100A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.1444%; height: 19.5938px;\"\u003e\u003cstrong\u003ePeak Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.4946%; height: 19.5938px;\"\u003e200A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.5938px;\"\u003e\n\u003ctd style=\"width: 30.1444%; height: 26.5938px;\"\u003e\u003cstrong\u003eMOSFET\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.4946%; height: 26.5938px;\"\u003e6× IRF7769L (100V \/ 200A each)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.1444%; height: 19.5938px;\"\u003e\u003cstrong\u003eCooling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.4946%; height: 19.5938px;\"\u003eWater-cooled, large-flux heat sink\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.1444%; height: 19.5938px;\"\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.4946%; height: 19.5938px;\"\u003eADC, PPM, UART, CAN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.1444%; height: 19.5938px;\"\u003e\u003cstrong\u003eFirmware\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.4946%; height: 19.5938px;\"\u003eCustom firmware 5.03 pre-installed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.1444%; height: 19.5938px;\"\u003e\u003cstrong\u003eVESC Tool\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.4946%; height: 19.5938px;\"\u003eCompatible with VESC Tool 3.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 30.1444%; height: 19.5938px;\"\u003e\u003cstrong\u003eHardware\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.4946%; height: 19.5938px;\"\u003eBased on VESC75300 design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/firduo.com\/products\/7318593405106\" style=\"color: rgb(0, 0, 0); text-decoration: underline;\" target=\"_blank\"\u003eVX3 — IP67 Waterproof Remote Controller\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.2708%;\"\u003e\u003cstrong\u003eWaterproof Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.3682%;\"\u003eIP67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.2708%;\"\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.3682%;\"\u003e1.6-inch super clear screen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.2708%;\"\u003e\u003cstrong\u003eDisplay Data\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.3682%;\"\u003eGPS, motor power, MOS temperature, throttle progress bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.2708%;\"\u003e\u003cstrong\u003eESC Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.3682%;\"\u003eVESC and Non-VESC compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.2708%;\"\u003e\u003cstrong\u003eOperating Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.3682%;\"\u003eESK8 mode \/ E-surf mode (cruise control)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.2708%;\"\u003e\u003cstrong\u003eControl Protocol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.3682%;\"\u003ePPM \/ UART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.2708%;\"\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.3682%;\"\u003e1,500mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.2708%;\"\u003e\u003cstrong\u003eCharging\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.3682%;\"\u003eWireless charging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.2708%;\"\u003e\u003cstrong\u003eESC Failure Alert\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.3682%;\"\u003eYes (real-time detection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.2708%;\"\u003e\u003cstrong\u003eReceiver\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.3682%;\"\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFirduo 162mm 2-Blade Folding Propeller\u003c\/strong\u003e\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e162mm (two-blade span)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBlade Count\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 blades\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBlade Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFolding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShaft Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThreaded shaft — Firduo 65162 motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eeFoil, electric surfboard, kayak, RC boat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/65.jpg?v=1761724777\" alt=\"Firduo 162mm 2-Blade Folding Propeller Dimension Drawing for 65162 Motor\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003e📦 What's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e1× 65121-130KV Motor (with 8.0mm gold plug phase wires)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e1× \u003ca href=\"https:\/\/firduo.com\/products\/6940985196722\" style=\"color: rgb(0, 0, 0);\" target=\"_blank\"\u003eManatee 100 VESC\u003c\/a\u003e (with XT90 connector, Micro USB cable, PPM cable, water pipe)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e1× \u003ca href=\"https:\/\/firduo.com\/products\/7318593405106\" style=\"color: rgb(0, 0, 0);\" target=\"_blank\"\u003e VX3 Remote Controller\u003c\/a\u003e (with receiver)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e1× \u003ca href=\"https:\/\/firduo.com\/products\/7318593405106\" style=\"color: rgb(0, 0, 0);\" target=\"_blank\"\u003e \u003c\/a\u003e\u003c\/span\u003e2-Blade Folding Propeller (Style optional)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e⚠️ Battery and waterproof connectors not included. The Manatee 100 cable connection points are not waterproof — seal all terminations before water use.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e🔗 Compatible Builds \u0026amp; Recommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eeFoil \/ Hydrofoil\u003c\/strong\u003e — 65121 at 12S–16S for high-performance foil builds requiring more thrust than the 65111\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric Surfboard\u003c\/strong\u003e — 3KW+ peak power for aggressive acceleration and higher top speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpgrade from 2KW Kit\u003c\/strong\u003e: This kit replaces the 65111 motor with the larger 65121 for riders who have outgrown the 2KW system — the Manatee 100 VESC and VX3 remote are identical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2KW Kit Alternative\u003c\/strong\u003e: \u003ca href=\"https:\/\/firduo.com\/products\/firduo-2kw-waterproof-kit-75v-100a-esc-motor-remote-for-efoil-esurfboard\" title=\"Firduo 2KW eFoil Kit – Manatee 100 ESC + 65111 Motor + VX3 Remote for Hydrofoil \u0026amp; Electric Surfboard\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eFirduo 2KW eFoil Kit \u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/firduo.com\/products\/6941763403954\" style=\"color: rgb(0, 0, 255);\" target=\"_blank\"\u003e\u003c\/a\u003e — lighter, lower-power option for beginners or lighter riders\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eESC Only\u003c\/strong\u003e: \u003ca href=\"https:\/\/firduo.com\/products\/firduo-manatee100-high-voltage-75v-high-current-100a-esc-base-on-vesc-with-water-cooling-enclosure\" title=\"Firduo Manatee 100 75V 100A waterproof ESC Compatible VESC for eFoil \u0026amp; Electric Surfboard\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eFirduo Manatee 100 VESC\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/firduo.com\/products\/6940985196722\" style=\"color: rgb(0, 0, 255);\" target=\"_blank\"\u003e \u003c\/a\u003e— purchase ESC separately if you have an existing motor and remote\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Only\u003c\/strong\u003e: \u003ca href=\"https:\/\/firduo.com\/products\/firduo-vx3-waterproof-remote-efoil-electric-surfboard\" title=\"Firduo VX3 Waterproof Remote UART \u0026amp; PWM for Efoil \u0026amp; Electric Surfboard\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eFirduo VX3 Waterproof Remote\u003c\/span\u003e\u003c\/a\u003e — replacement or standalone remote purchase\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Propeller\u003c\/strong\u003e: \u003ca href=\"https:\/\/firduo.com\/collections\/propeller\/products\/firduo-2-blades-folding-propeller-diameter-162mm-motor-boat-propellers-electric-engine-outboard-propeller-for-boat-kayak-efoil-surf\" title=\"Firduo 162mm 2-Blade Folding Propeller for Efoil \u0026amp; Kayak \u0026amp; RC Boat\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eFirduo 162mm 2-Blade Folding Propeller\u003c\/span\u003e \u003c\/a\u003e— matched for 65121 motor on eFoil and kayak builds; M8 thread compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Connector\u003c\/strong\u003e: \u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003ca href=\"https:\/\/firduo.com\/collections\/other\/products\/friduo-120a-250a-power-waterproof-connector-for-electric-hydrofoil-boat-surfboard-thruster-ejet-board-electric-bike?variant=45144866029746\" title=\"Firduo 120A-250A Waterproof Power Connector for Efoil \u0026amp; Surfboard \u0026amp; Electric Bike\" rel=\"noopener\" style=\"color: rgb(0, 0, 255);\" target=\"_blank\"\u003eFirduo 120A–250A Waterproof Connector\u003c\/a\u003e \u003c\/span\u003e— for sealed battery-to-ESC connection rated for 120A+;    \u003ca rel=\"noopener\" title=\"Firduo 120A High Current and High Voltage Waterproof Plug Socket for Electric Hydrofoil \u0026amp; Surfboard\" href=\"https:\/\/firduo.com\/collections\/other\/products\/friduo-120a-high-current-high-voltage-waterproof-connector-for-electric-hydrofoil-surfboard-thruster-ejet-boards-ebike\" target=\"_blank\"\u003eF\u003cspan style=\"color: rgb(0, 0, 255);\"\u003eirduo 120A Waterproof Plug Socket\u003c\/span\u003e \u003c\/a\u003e— for sealed ESC-to-motor connection rated for 120A+\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Anti-Spark Switch\u003c\/strong\u003e: \u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003ca href=\"https:\/\/firduo.com\/collections\/switch\/products\/anti-spark-switch-smart-280a-for-electric-skateboard-ebike-scooter-robots\" title=\"Firduo 200A Anti-Spark Switch Aluminum for Electric Skateboard \u0026amp; eBike \u0026amp; Robots\" rel=\"noopener\" style=\"color: rgb(0, 0, 255);\" target=\"_blank\"\u003eFirduo 200A Anti-Spark Switch\u003c\/a\u003e\u003c\/span\u003e\u003ca href=\"https:\/\/firduo.com\/products\/8437535473842\" style=\"color: rgb(0, 0, 255);\" target=\"_blank\"\u003e\u003c\/a\u003e — protect ESC capacitors from battery connection arcing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery\u003c\/strong\u003e: 12S–16S LiPo or Li-ion pack, minimum 100A continuous discharge recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e🛠️ Setup Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify voltage compatibility\u003c\/strong\u003e — the Manatee 100 ESC supports up to \u003cstrong\u003e75V (16S max)\u003c\/strong\u003e; the 65121 motor supports up to 20S. Use a \u003cstrong\u003e12S–16S LiPo or Li-ion pack\u003c\/strong\u003e for this kit. Factory default firmware is set for 13S — adjust in VESC Tool if using a different cell count. Ensure your battery has a minimum 100A continuous discharge rating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect motor phase wires\u003c\/strong\u003e — connect the 3× 8AWG motor phase wires (It is recommended to use waterproof connectors for water sports) to the Manatee 100 ESC phase outputs. Rotation direction can be corrected by swapping any two phase wires, or via VESC Tool motor direction setting. Test rotation direction at low throttle before installing the propeller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect water cooling\u003c\/strong\u003e — attach the Manatee 100 ESC's water cooling inlet and outlet to your board's water circuit. Ensure water flows through the ESC before running at high current. Secure hose connections with clamps to prevent leaks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect battery\u003c\/strong\u003e — use a high-current connector rated for 100A+ (Firduo 120A–250A waterproof connector recommended). Use an anti-spark switch or pre-charge resistor to prevent connector arcing. Verify battery voltage matches your ESC configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect VX3 receiver (UART mode)\u003c\/strong\u003e — connect the VX3 receiver to the Manatee 100 ESC's UART port for full telemetry (motor power, MOS temperature, GPS on VX3 display). Power the receiver from the ESC's signal interface. Pair the VX3 remote with the receiver before first use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfigure via VESC Tool\u003c\/strong\u003e — connect the Manatee 100 to your PC via Micro USB (included). Open \u003cstrong\u003eVESC Tool 3.01\u003c\/strong\u003e, click \u003cstrong\u003eRead Parameters\u003c\/strong\u003e, run \u003cstrong\u003emotor auto-detection\u003c\/strong\u003e for the 65121 motor, set current limit according to actual usage needs, and click \u003cstrong\u003eWrite Parameters\u003c\/strong\u003e. If needed, please contact our support team: \u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003cstrong\u003esupport@firduo.com\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal cable connections\u003c\/strong\u003e — the Manatee 100 enclosure is waterproof but cable connection points are not. Seal all battery, motor, and signal cable terminations with potting compound, adhesive heat-shrink, or waterproof cable glands before water use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater test at low power\u003c\/strong\u003e — start at 20–30% throttle in calm water. Verify smooth motor operation, check water cooling flow, and confirm all connections are sealed before increasing to full power.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr\u003e\n\u003ch3\u003e❓ FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: What is the difference between this 3KW kit and the 2KW eFoil Kit (Manatee 100 + 65111 + VX3)?\u003c\/strong\u003e\u003cbr\u003eBoth kits use the same \u003cstrong\u003eManatee 100 VESC\u003c\/strong\u003e and \u003cstrong\u003eVX3 remote\u003c\/strong\u003e, but differ in the motor. The \u003cstrong\u003e2KW kit\u003c\/strong\u003e uses the 65111-150KV motor (2KW peak) — lighter and suited for beginners or lighter riders at 10S–14S. This \u003cstrong\u003e3KW kit\u003c\/strong\u003e uses the 65121-130KV motor (3,700W peak) — higher torque (5.5 N·m vs lower), more thrust, and better suited for heavier riders or performance builds at 12S–16S. The 65121 also has a larger 12mm threaded shaft for more secure propeller attachment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: What battery is recommended for the 65121 motor at full power?\u003c\/strong\u003e\u003cbr\u003eFor the 65121 at full power (100A max current), use a \u003cstrong\u003e12S–16S LiPo or Li-ion pack with minimum 100A continuous discharge\u003c\/strong\u003e.13S 20Ah pack with 100A continuous BMS is a common eFoil configuration. The Manatee 100 ESC is factory-set for 13S — adjust in VESC Tool if using a different cell count. Do not exceed \u003cstrong\u003e16S (67.2V)\u003c\/strong\u003e on the ESC.At the same time, do not exceed the power of the motor by \u003cstrong\u003e2kw\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Does the 65121 motor require a different propeller than the 65111?\u003c\/strong\u003e\u003cbr\u003eYes. The 65121 has a \u003cstrong\u003e12mm threaded shaft (M8)\u003c\/strong\u003e, compared to the 65111's 10mm shaft. Ensure your propeller hub is compatible with a 12mm M8 threaded shaft. The \u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/firduo.com\/collections\/propeller\/products\/firduo-2-blades-folding-propeller-diameter-162mm-motor-boat-propellers-electric-engine-outboard-propeller-for-boat-kayak-efoil-surf\" title=\"Firduo 162mm 2-Blade Folding Propeller for Efoil \u0026amp; Kayak \u0026amp; RC Boat\" style=\"color: rgb(0, 0, 255);\"\u003e2-Blade Folding Propeller\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e is compatible with the 65121 motor. Do not attempt to use a 10mm propeller hub on the 65121's 12mm shaft.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Can I use the VX3 remote with full UART telemetry on the Manatee 100 ESC?\u003c\/strong\u003e\u003cbr\u003eYes — the Manatee 100 VESC supports \u003cstrong\u003eUART communication\u003c\/strong\u003e, which enables full VX3 telemetry: motor power, MOS temperature, GPS speed, and throttle progress bar on the VX3 display. Connect the VX3 receiver to the Manatee 100's UART port and configure UART mode in VESC Tool. This is the recommended connection method for this kit — it provides significantly more riding data than PPM-only mode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: How do I configure the Manatee 100 ESC for the 65121 motor?\u003c\/strong\u003e\u003cbr\u003eConnect the Manatee 100 to your PC via the included Micro USB cable and open \u003cstrong\u003eVESC Tool 3.01\u003c\/strong\u003e. Click \u003cstrong\u003eRead Parameters\u003c\/strong\u003e, then run the \u003cstrong\u003emotor auto-detection wizard\u003c\/strong\u003e — VESC Tool will automatically measure the 65121 motor's resistance, inductance, and flux linkage. Set the motor's current limit as needed and battery current limit to match your battery's continuous discharge rating. Click \u003cstrong\u003eWrite Parameters\u003c\/strong\u003e to save. Custom firmware 5.03 is pre-installed — no firmware update required for standard builds. \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/73cbcbc788f023b7187856138bedd77c_03d46800-01f7-4ddc-a499-b2ad92bafbe8_1024x1024.jpg?v=1628478397\" alt=\"Firduo 3KW eFoil Kit Complete System 65121 Motor Manatee 100 ESC VX3 Remote\" style=\"float: none;\"\u003e\u003c\/div\u003e","brand":"FIRDUO","offers":[{"title":"65121-1-Kit","offer_id":47591184662706,"sku":"65121-1-Kit","price":518.0,"currency_code":"USD","in_stock":true},{"title":"65121-2-Kit","offer_id":47591184695474,"sku":"65121-2-Kit","price":559.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0227\/7805\/2685\/files\/1_09113269-3b07-421c-b434-142871fc08d0.jpg?v=1781447247","url":"https:\/\/firduo.com\/products\/firduo-3kw-efoil-kit-65121-motor-manatee-100-vesc-vx3-remote","provider":"Firduo","version":"1.0","type":"link"}