- Model Number: PRB286040
- Coupler Diameter: 2.3mm x 3mm
- Brand: Pro Boat
- Type: Motor Coupler / Motor Coupling
- Compatible Models: Pro Boat Alpha Patrol Boat (PRB08027), Pro Boat Jet Jam 12" Self-Righting Pool Racer (PRB08031), Pro Boat Jet Jam V2 12" Self-Righting Pool Racer (PRB08031V2), Pro Boat Riverine Patrol Boat 22" (PRB08035)
- Part Classification: Replacement Part / Optional Part
- Fitment Status: Compatible as both Replacement and Optional spare part
Overview
The PRB Motor Coupler 2.3mm x 3mm is an essential replacement part for RC enthusiasts who own Pro Boat's Alpha Patrol Boat and Jet Jam pool racer models. This precision-engineered coupling component connects your motor to the drivetrain, ensuring reliable power transmission and smooth operation during high-speed water adventures. Whether you're a seasoned RC boat UK collector or new to the world of brushed RC watercraft, having genuine replacement parts on hand is crucial for keeping your models in peak condition.
Designed specifically for the Alpha Patrol Boat 21" and Jet Jam 12" self-righting pool racer models, this motor coupler represents the quality engineering that Pro Boat is recognised for across the RC hobby community. The 2.3mm x 3mm specifications ensure perfect compatibility with your boat's motor assembly, delivering the tight tolerances necessary for efficient power delivery without slippage or performance loss. As a dedicated RC model shop, we understand that keeping your ready to run RC boats operational means having access to genuine, original equipment manufacturer parts that fit first time, every time.
This replacement part is suitable for anyone who has experienced wear on their existing motor coupler or requires a spare for competitive racing and weekend bashing sessions on the water. Motor couplers are subject to regular wear and tear during intensive use, and replacing them with genuine Pro Boat components ensures you maintain the factory performance standards of your vessel. Stock this essential spare part now and avoid downtime when your current coupler needs refreshing.
Key Features
- Precision Motor Coupling — This motor coupler is engineered to exact specifications, measuring 2.3mm x 3mm, which ensures a perfect fit between your motor shaft and the drivetrain components, eliminating wobble and maximising torque transfer efficiency.
- Compatible with Multiple Pro Boat Models — The coupler works as a genuine replacement part for the Alpha Patrol Boat 21-inch model and both generations of the Jet Jam pool racer, making it a versatile addition to any Pro Boat enthusiast's spare parts collection.
- Genuine Pro Boat Original Equipment — As an authentic manufacturer-sourced component, this coupler meets all factory specifications and performance standards, ensuring your boat operates exactly as Pro Boat designed it to perform on the water.
- Straightforward Replacement — Installation is straightforward for anyone with basic RC model maintenance experience, allowing you to quickly get back on the water without requiring professional service or special tools.
- Wear Resistance — The coupler is manufactured to withstand the demands of regular RC boating, including high-speed operation, rapid acceleration, and the salt water or chlorinated water environments common in pool racing scenarios.
Technical Performance
The motor coupler operates as a critical mechanical interface between your boat's electric motor and the jet pump or other propulsion systems. The 2.3mm x 3mm dimensions have been engineered by Pro Boat to provide optimal torque transmission whilst maintaining compatibility with the standard motor sizes used in their Alpha Patrol and Jet Jam ranges. When a coupler becomes worn or damaged through regular use, it can cause inconsistent power delivery, unusual vibrations, or slippage that reduces thrust efficiency. By replacing the coupler with this genuine Pro Boat component, you restore the mechanical integrity of the drivetrain and ensure that the full output from your brushed motor is efficiently converted into propulsive force. The manufacturing tolerances are precisely controlled to eliminate dead space within the coupling mechanism, which is essential for maintaining the responsive handling characteristics that make these Pro Boat models popular for competitive pool racing and casual waterside play.
What's in the Box
- 1x Motor Coupler 2.3mm x 3mm
Frequently Asked Questions
- What Pro Boat models does this motor coupler fit? — This genuine 2.3mm x 3mm coupler is designed specifically as a replacement part for the Pro Boat Alpha Patrol Boat 21-inch model and the Jet Jam 12-inch self-righting pool racer, including the original Jet Jam V2 variant, making it an essential spare for owners of these brushed ready to run RC boats.
- How do I know when my motor coupler needs replacing? — Common signs that your motor coupler requires replacement include visible wear or damage to the coupling mechanism, unusual vibration during high-speed operation, reduced thrust efficiency despite a fully charged battery, or slipping between the motor and drivetrain components that causes the propulsion to feel less responsive than usual.
- Is this part easy to replace? — Yes, the motor coupler is one of the more straightforward replacement components on your Pro Boat model and can be replaced with basic tools and moderate mechanical experience, though you should consult your boat's instruction manual for specific step-by-step guidance and any special considerations for your particular model variant.
- Where can I find the part number in my manual? — If you have the instruction manual for your Pro Boat Alpha Patrol Boat or Jet Jam, look for parts diagrams that show the motor assembly section; the part number is PRB286040, which should match the reference in your documentation, and matching this number ensures you receive the correct specification for your boat.
- Will this improve my boat's performance? — A new motor coupler won't increase top speed beyond the boat's design specifications, but restoring a worn coupler to factory condition will eliminate performance loss caused by slippage and ensure you're getting the full throttle response and acceleration that your Pro Boat model is capable of delivering.
- Can I use this part as a spare before my current coupler fails? — Absolutely, many serious RC boating enthusiasts keep spare couplers on hand for competitive events or extended racing sessions, as having a replacement ready means you can quickly get back on the water if your current coupler becomes damaged during enthusiastic driving.
Why Buy from RC Model Shop?
RC Model Shop is a trusted UK RC retailer and authorised dealer for all the brands we stock, including Traxxas, ARRMA, Losi, FTX, Hobbywing, Spektrum and more. Based in Walsall, we have a physical store where customers are welcome to come in, view products and purchase in store. Whether you are a seasoned competitor, a weekend basher, or just discovering the world of RC for the first time, our team of experienced RC enthusiasts is here to help you find the perfect setup and provide ongoing support. Order the PRB Motor Coupler, 2.3mm x 3mm: Alpha Patrol Boat, Jet Jam Z-PRB286040 today with confidence, knowing you are buying from an authorised retailer with genuine products, expert knowledge and a commitment to customer satisfaction. Shop online or visit us in Walsall — we look forward to helping you get the most out of your RC experience.
We want to make sure your delivery goes smoothly, so here are some important details about our service:
- For orders above £120, we offer delivery to most mainland UK addresses. For orders under £120, we can still deliver to Northern Ireland and the outlying isles, as long as the item can be sent by Royal Mail, weighs less than 30kg, and fits within 61cm × 46cm × 46cm. Some highland and remote areas may carry an extra delivery charge as couriers often apply surcharges in these locations. If you live in one of these areas, feel free to contact us before ordering so we can confirm the delivery options and costs for you.
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