Description
Polaflex Hub Kit - Composite | Boat Supply Store
This Polaflex composite hub kit is engineered to replace worn or damaged propeller hub assemblies, ensuring optimal power transfer from the engine to the propeller. It features a robust composite construction designed to withstand the demanding marine environment, offering superior corrosion resistance. Ideal for maintaining the performance of your stern drive or outboard, this kit is specifically designed for applications requiring a 15-tooth spline count.
Key Features
- Durable composite construction for extended service life.
- Corrosion-resistant materials safeguard against saltwater intrusion.
- Precise fit ensures efficient power transmission.
- Reliable performance in diverse marine conditions.
- Easy installation for quick maintenance turnaround.
- Engineered for specific spline counts.
- Reduces vibration for smoother operation.
- Protects propeller from shaft damage.
Specifications
| Product Specifications | |
|---|---|
| Hub Material | Composite |
| Spline Count | 15 |
| Brand | POLARIS PROPELLER USA, INC. |
| SKU | MM21 |
Who This Is For
This hub kit is designed for boat owners and marine mechanics performing routine maintenance or repairs on their vessel's propeller system. It is ideal for those needing a reliable composite replacement for a 15-spline propeller shaft.
How It Compares
| Feature | Polaflex Hub Kit - Composite | Quicksilver |
|---|---|---|
| Material | Composite | Rubber |
| Spline Count | 15 | 13 |
| Corrosion Resistance | High | Moderate |
| Vibration Dampening | Moderate | High |
Common Concerns Answered
Will this hub kit fit my propeller?
This Polaflex hub kit (MM21) is specifically designed for propellers with a 15-tooth spline count. Verify your existing propeller shaft has 15 splines for a correct fit.
How durable is a composite hub compared to rubber?
Composite hubs offer superior resistance to corrosion and abrasion in marine environments, often outlasting traditional rubber hubs in harsh conditions. This Polaflex kit is engineered for long-term reliability.
Is this kit compatible with all Polaris propellers?
While designed by Polaris Propeller USA, Inc., compatibility is primarily determined by the spline count and shaft diameter. Always confirm your propeller shaft specifications match the 15-spline requirement.
Frequently Asked Questions
What is the primary function of a propeller hub kit?
A propeller hub kit connects the propeller to the engine's drive shaft, facilitating power transfer. It also often includes a mechanism to absorb shock and shear if the propeller strikes an object, protecting the drivetrain.
Why choose a composite hub kit?
Composite hubs offer enhanced durability and resistance to degradation from saltwater, fuel, and UV exposure compared to rubber, making them a long-lasting choice for marine applications.
How do I determine if I need a new hub kit?
Signs of a failing hub include excessive vibration, propeller slippage, cracks in the hub material, or separation from the propeller blades. Regular inspection during maintenance is recommended.
What tools are typically needed to install this hub kit?
Installation generally requires basic hand tools, including wrenches and potentially a propeller puller. Specific tools depend on the propeller design and engine type.
What is the advantage of a 15-spline configuration?
A 15-spline configuration provides a robust connection between the propeller and the drive shaft, commonly found on many stern drive and outboard motors for efficient power delivery.
