S-S CYCLE MN-59SP Air Cleaner Fxsts Springer Ka Kit Reviews MN/59SPS

( Brand: S-s Cycle ), ( Manufacturer Part Number: MN/59SP ), ( Compatible Year: 1999 1998 1997 1996 1995 1994 1993 ), ( Compatible Make: Harley Davidson ), ( Compatible Model: Fxsts Springer Softail ), ( Bundle Description: 1 Pc Genuines S Cycle Air Cleaner Kit ), ( Type: Air Cleaner Kit ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review S CYCLE Scycle Mn/59spsair Cleaner Kit Harley Davidson Fxsts Springer Ka fits 1993–1999

The **Cycle MN/59SPS Air Cleaner Kit** is a meticulously engineered upgrade designed to enhance the performance, reliability, and longevity of your **1993 1999 Harley-Davidson FXSTS Springer or MN/59SP** motorcycle. This high-quality kit replaces the stock air cleaner system with a **precision-machined, dual-element setup** that ensures optimal airflow while effectively filtering out dust, debris, and contaminants critical for maintaining peak engine efficiency in demanding riding conditions. Crafted from durable materials, including a **heavy-duty aluminum housing** and a **high-flow foam filter element**, this kit is built to withstand the rigors of long-distance touring, off-road adventures, or daily commuting. The **silicone-sealed gasket system** guarantees a perfect fit, eliminating leaks and ensuring consistent vacuum performance, which is essential for proper carburetion and throttle response. Whether you're cruising along scenic highways or tackling rough terrain, the Cycle MN/59SPS kit delivers **superior filtration without restricting airflow**, allowing your **Evo or Evolution engine** to breathe freely while protecting internal components from premature wear. Backed by Cycle s reputation for quality and compatibility, this kit is a straightforward yet impactful modification that enhances both performance and durability, making it an ideal choice for riders who demand reliability and power from their classic Harley.

### Pros and Cons of buying a Cycle MN/59SPS Air Cleaner Kit for a 1993 1999 Harley-Davidson FXSTS Springer/Ka MN/59SP

#### **Pros**

1. **Improved Airflow and Performance**

The Cycle MN/59SPS air cleaner kit is designed to enhance airflow into the engine, which can lead to better throttle response and slight power gains. This is particularly noticeable in stock or mildly modified engines where airflow restrictions are a common issue.

2. **Better Filtration Efficiency**

The kit typically uses high-quality filtration media that traps more contaminants than the stock airbox, which can extend the life of internal engine components like pistons, cylinders, and valves by reducing abrasive particles.

3. **Easier Installation**

Cycle products are known for their straightforward installation processes. The MN/59SPS kit is designed to fit the FXSTS Springer/Ka models without extensive modifications, making it a plug-and-play upgrade for most riders.

4. **Durability and Reliability**

Cycle air cleaner kits are built to withstand the demands of motorcycle use, including dust, road debris, and vibrations. The materials used are generally robust, ensuring longevity compared to aftermarket alternatives that may degrade faster.

5. **Compatibility with Modifications**

If you plan to add other performance upgrades (e.g., exhaust, camshafts, or fuel system tweaks), a high-flow air cleaner like this one can complement those changes by ensuring the engine receives adequate airflow.

6. **Cost-Effective Upgrade**

Compared to more aggressive performance parts (e.g., cams, headers, or turbochargers), the Cycle kit is relatively inexpensive while still providing noticeable benefits. It s a low-risk way to improve breathing without major engine modifications.

7. **Reduced Engine Wear**

By filtering out more dust and debris, the kit helps protect the engine from premature wear, which can save money on repairs over time, especially in dusty or off-road conditions.

---

#### **Cons**

1. **Minimal Power Gains**

While the kit improves airflow, the power increase is often modest typically in the range of 5 10 horsepower, depending on tuning and other modifications. For riders seeking significant performance jumps, this may not be enough without additional upgrades.

2. **Requires Tuning for Optimal Results**

Adding a high-flow air cleaner can disrupt the engine s air-fuel ratio, leading to lean conditions if the ECU (or carburetor, in older models) isn t adjusted. Without tuning (via a chip, ECU reprogramming, or carburetor tweaks), you may experience rough idle, hesitation, or reduced fuel efficiency.

3. **Potential for Increased Oil Consumption**

In some cases, improved airflow can lead to slightly higher oil consumption, especially in older engines prone to blow-by. This isn t always an issue, but it s worth monitoring if you notice excessive oil usage.

4. **Stock Airbox Removal May Be Needed**

The Cycle kit often requires the removal of the original airbox, which means you ll need to either modify the stock setup or purchase additional mounting hardware. This isn t a major hassle, but it does add a small amount of work to the installation.

5. **Limited Aesthetic Appeal**

The Cycle air cleaner kit is functional but not designed to be a cosmetic upgrade. It may not blend as seamlessly with the bike s stock appearance as some aftermarket alternatives that prioritize styling over performance.

6. **Dust and Debris Ingestion in Harsh Conditions**

While the kit filters better than stock, it s not invincible. In extremely dusty or off-road environments, the filter may clog more quickly, requiring more frequent cleaning or replacement. This could offset some of the cost savings over time.

7. **Not a Complete Performance Package**

For serious power seekers, the Cycle kit is just one piece of the puzzle. To see meaningful gains, you d likely need to pair it with other modifications (e.g., exhaust, intake, or fuel system upgrades), which adds complexity and cost.

---

### **Conclusion**

The Cycle MN/59SPS air cleaner kit is a solid, practical upgrade for the 1993 1999 Harley-Davidson FXSTS Springer/Ka MN/59SP. It offers tangible benefits in terms of airflow, filtration, and ease of installation while being relatively affordable and durable. However, it s not a revolutionary performance part its strengths lie in incremental improvements rather than dramatic power gains.

If your primary goals are **better engine protection, smoother throttle response, and a straightforward upgrade**, this kit is a worthwhile investment. It s particularly valuable for riders who spend time in dusty or rough conditions or those who plan to add other performance parts later.

If you re looking for **significant horsepower increases or a cosmetic upgrade**, you may need to look elsewhere. Additionally, if your bike isn t already tuned, you ll need to address the air-fuel ratio to avoid running lean.

---

### **Recommendation**

- You want a simple, effective way to improve airflow and filtration.

- You ride in dusty or off-road conditions and want to protect your engine.

- You plan to add other performance modifications (e.g., exhaust, intake) in the future.

- You re satisfied with modest power gains and don t mind tuning the bike afterward.

- You expect dramatic power increases without additional modifications.

- You prefer a more aesthetic or minimalist upgrade.

- Your bike is heavily modified or you re unsure about tuning requirements.

- You re on a tight budget and could allocate funds to more impactful upgrades (e.g., a full intake or exhaust system).

**Final Verdict:** The Cycle kit is a **smart, low-risk upgrade** for the FXSTS Springer/Ka that pays dividends in reliability and performance. Pair it with proper tuning (if needed) and consider it as part of a broader modification plan rather than a standalone solution. For most riders, it s a no-brainer upgrade.

Details:

Cycle Air Cleaner Kit for 1993 - 1999 Harley Davidson FXSTS Springer ka: Status: In Stock.

part #: mn59sp price

• $401.73

specifications intakefuelmotorcycle:

• for makes: Harley, Davidson
• for years: 1993-1999
• brand: S-s Cycle
• mpn: Mn/59sp
• compatible year: 1999 1998 1997 1996 1995 1994 1993
• compatible make: Harley Davidson
• compatible model: Fxsts Springer Softail
• bundle description: 1 Pc Genuines S Cycle Air Cleaner Kit
• type: Air Cleaner Kit
• core charge: Free No Core Charge
• fitment type: Direct Replacement

payments intakefuelmotorcycle:

• credit card: Discover
• other
• wallet: Apple-pay

returns intakefuelmotorcycle:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

offer intakefuelmotorcycle:

• availability: In Stock
• sold: 0
• started: April 14, 2026
• quantity: 1
• options: Ship-to-home

general intakefuelmotorcycle:

• Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Other Air Intake Fuel Delivery
• condition: New

shipping intakefuelmotorcycle:

• type: Fixed
• cost: $0.00
• transit: 3-5 Days
• class: Standard
• service: Standard

seller intakefuelmotorcycle:

• rating: 99.1%
• # reviews: 20999
• city: Multiple warehouses

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