HUSQVARNA 15-16-728-01 Rear Axle 250/500 P/n

( Manufacturer Part Number: 15-16-728-01 ), ( Part Type: Axle ), ( Machine Type: Dirt Bike ), ( Item Diameter: 15mm ), ( Material: Steel ), ( Item Length: 310mm ), ( Vintage Part: Yes ), ( Placement On Vehicle: Rear ), ( Compatible Year: 1984, 1983, 1982, 1981 ), ( Country Of Origin: United States )

Review HUSQVARNA 250/500 Rear Axle No 1981 84 Era Used P/n fits 250 500 1981-84

The **Husqvarna 15-16-728-01 250/500 Rear Axle** is a meticulously engineered, heavy-duty component designed exclusively for the iconic Husqvarna 250 and 500 cc two-stroke outboard engines produced between 1981 and 1984. This axle assembly serves as the critical link between the engine s power output and the propeller, ensuring smooth, reliable transmission of torque while withstanding the demanding stresses of marine applications. Crafted from high-grade steel, the axle features a robust, precision-machined shaft with a robust splined connection to the engine s output gear, allowing for seamless power transfer without slippage or wear. The design incorporates a sealed, corrosion-resistant housing that protects internal components from saltwater corrosion, salt spray, and abrasive marine environments, making it ideal for both freshwater and saltwater use. The 250/500 designation indicates its compatibility with both the smaller 250 cc and larger 500 cc engine variants, offering versatility for different power requirements while maintaining identical performance characteristics. This axle is a direct-fit replacement, ensuring an exact match with the original equipment, including the same mounting dimensions, propeller shaft diameter, and spline configuration. Whether restoring a classic Husqvarna outboard or upgrading an existing setup, this axle delivers the durability and precision needed to harness the full potential of these legendary engines, ensuring reliable performance for years of boating adventures.

### **Pros and Cons of Buying a Husqvarna 15-16-728-01 250/500 Rear Axle (1981 1984, P/N)**

1. **Classic and Reliable Design** The Husqvarna 250/500cc two-stroke outboard engine was well-regarded in its era for its smooth power delivery and durability. Many owners report that with proper maintenance, these engines can last decades.

2. **Strong Power Output** The 250cc model produces around 15 20 horsepower, while the 500cc delivers roughly 40 50 horsepower, making it suitable for medium to large boats. For its time, this was a robust performance for recreational and even light fishing applications.

3. **Proven Durability** Two-stroke outboards like this were built to handle rough conditions, and many still function well today with minimal modifications. The rear axle (P/N 15-16-728-01) is a key component for steering and propulsion, and if in good condition, it can be a solid investment.

4. **Parts Availability** As a classic model, Husqvarna still supplies some original parts, and aftermarket support exists for two-stroke outboards. However, sourcing components may require more effort than modern engines.

5. **Lower Initial Cost** Compared to newer outboards, this engine is significantly cheaper to purchase, making it an attractive option for budget-conscious buyers or those restoring older boats.

6. **Simple Maintenance** Two-stroke engines are generally easier to service than four-strokes, with fewer components requiring regular attention. Oil mixing and basic tune-ups are straightforward.

7. **Nostalgia and Collectibility** For enthusiasts, owning a well-preserved Husqvarna from the early 1980s can be a point of pride. Some collectors value these engines for their historical significance.

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1. **Environmental Regulations** Two-stroke engines are increasingly restricted due to their higher emissions and oil consumption. Many marinas and lakes now ban or heavily regulate their use, making them impractical for modern recreational boating in many areas.

2. **Fuel and Oil Mixing** Unlike four-stroke engines, two-strokes require a precise mix of gasoline and oil (typically 50:1), which can be messy and wasteful. This also means higher operating costs compared to modern fuel-efficient outboards.

3. **Wear and Tear** The 1981 1984 models are approaching 40 years old, and unless the engine has been meticulously maintained, it may require significant repairs or rebuilding. Common issues include worn piston rings, crankshaft wear, and fuel system leaks.

4. **Limited Modern Compatibility** Newer boats often require outboards with specific mounting points, electrical systems, or performance standards. Retrofitting an older Husqvarna may require modifications or adapters.

5. **Reliability Concerns** While some examples are well-preserved, others may suffer from rust, seized components, or degraded rubber parts (e.g., impellers, seals). A thorough inspection is essential before purchase.

6. **Resale Value** Classic outboards can be tricky to sell, especially if they don t meet modern environmental standards. Buyers may struggle to find a market unless they have a specific niche (e.g., restoration projects).

7. **Noise and Vibration** Two-stroke engines are louder and vibrate more than modern four-stroke outboards, which can be uncomfortable for extended use.

8. **Depreciation Risk** Unlike newer engines that hold value, older two-strokes may depreciate quickly, especially if emissions regulations tighten further.

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The Husqvarna 250/500cc two-stroke outboard with the rear axle P/N 15-16-728-01 is a fascinating piece of boating history, offering strong performance and durability if well-maintained. However, its practicality today is limited by environmental restrictions, higher operating costs, and the challenges of modern compliance. This engine is best suited for:

- **Restoration projects** where the goal is to preserve or revive a classic boat.

- **Off-grid or non-regulated waters** where emissions rules don t apply.

- **Budget-conscious buyers** who prioritize low purchase cost over convenience.

- **Enthusiasts** who appreciate the mechanical simplicity and historical value of two-stroke outboards.

For most modern recreational boaters, a newer four-stroke outboard with better fuel efficiency, lower emissions, and easier maintenance would be a more practical choice. However, if you re passionate about classic engines and willing to invest time in upkeep, this Husqvarna could be a rewarding project.

- **Buy only if:** You have a specific use case (e.g., a restored vintage boat for personal enjoyment), are prepared for potential repairs, and don t mind the limitations of two-stroke technology.

- **Avoid if:** You need a reliable, low-maintenance engine for regular use, plan to sell the boat in the future, or operate in areas with strict emissions laws.

- **Inspect thoroughly:** Before purchasing, have a marine mechanic test the engine for leaks, compression, and overall condition. Consider a rebuild if it s been neglected.

- **Consider alternatives:** If you want a classic feel with modern practicality, look into newer two-stroke replacements (like some Japanese outboards) or high-quality used four-strokes.

Ultimately, this Husqvarna is a "collector s or project" engine rather than a daily driver. Weigh the nostalgia and potential against the practical drawbacks before committing.

Details:

Not cracked or broken. 310mm long x 15mm x1.25mm Used Part. 1981 84 era, Maybe fits other model's too. There seems to be a few different part numbers / lengths of rear axles.

This is a used part, 40 years old, so will have some age related marks and wear. All threads look good.

part #: 151672801 price

• $65.00

specifications cyclevintagee:

• for models: 250, 500
• for makes: Husqvarna
• for years: 1981-84
• mpn: 15-16-728-01
• part type: Axle
• machine type: Dirt Bike
• item diameter: 15mm
• material: Steel
• item length: 310mm
• vintage part: Yes
• placement on vehicle: Rear
• compatible year: 1984, 1983, 1982, 1981
• country of origin: United States

offer cyclevintagee:

• options: Ship-to-home
• quantity: 1
• sold: 0
• started: March 1, 2026
• availability: In Stock

shipping cyclevintagee:

• transit: 4-8 Days
• carrier: USPS
• type: Fixed
• service: USPS Ground Advantage
• cost: $9.95
• class: Standard

seller cyclevintagee:

• city: Escondido, California
• # reviews: 2144
• rating: 99.4%

general cyclevintagee:

• condition: Used
• Parts Accessories > Motorcycle Scooter Parts Accessories > Other Motorcycle Scooter Parts Accessories

payments cyclevintagee:

• wallet: Apple-pay
• other
• credit card: Diners-club

returns cyclevintagee:

• policy: No Returns

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