S-S CYCLE MN-135B Air Cleaner Fuel Kit Reviews MN/135BS

( Brand: S-s Cycle ), ( Manufacturer Part Number: MN/135B ), ( Compatible Year: 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 ), ( Compatible Make: Harley Davidson ), ( 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/135bsair Cleaner Kit Harley Davidson Fuel And Cn fits XLH1200 1991–2003

The **Cycle MN/135BS Air Cleaner Kit** is a meticulously engineered upgrade designed to enhance the performance, reliability, and longevity of your **1991 2003 Harley-Davidson XLH1200 Fuel (MN/135B)** motorcycle. This high-quality kit replaces the stock air cleaner system with a more efficient, durable, and user-friendly alternative, ensuring optimal airflow while protecting your engine from contaminants. The **MN/135BS** model features a **large-capacity, high-flow air filter** constructed from premium, oil-impregnated cotton media, which effectively traps dust, dirt, and debris without restricting airflow a common issue with standard Harley filters. The filter s robust construction resists compression and maintains consistent performance over extended periods, reducing the need for frequent replacements and minimizing maintenance hassles.

At the heart of this kit is a **durable, corrosion-resistant aluminum housing** with a sleek, aerodynamic design that integrates seamlessly with your XLH1200 s stock setup. The housing is engineered to minimize turbulence and maximize airflow efficiency, allowing your engine to breathe cleaner air while maintaining optimal power delivery. Unlike basic aftermarket filters that may compromise fitment or introduce leaks, the **Cycle MN/135BS** is built with precision, featuring a **tight-sealing gasket system** that prevents air bypass and ensures a vacuum-tight seal. This attention to detail not only improves performance but also reduces engine strain, leading to smoother operation and extended component life.

For added convenience, the kit includes a **quick-release clamp system**, eliminating the need for tools during filter changes a significant advantage for riders who prioritize ease of maintenance. The filter itself is designed for **easy removal and installation**, with clear instructions included to guide even novice mechanics through the upgrade process. Additionally, the kit comes with **high-quality replacement gaskets and mounting hardware**, ensuring a professional-grade fit every time. Whether you re tackling dusty backroads, cruising on highways, or simply looking to protect your engine from the elements, the **Cycle MN/135BS Air Cleaner Kit** delivers a balance of performance, durability, and practicality that sets it apart from generic or poorly fitted alternatives.

Beyond performance benefits, this air cleaner kit also contributes to **reduced engine wear** by filtering out abrasive particles that can accelerate cylinder and piston damage over time. The oil-impregnated media not only captures fine dust but also retains its lubricating properties, further protecting internal components. For Harley-Davidson enthusiasts who demand both reliability and performance from their XLH1200, the **Cycle MN/135BS** represents a smart, cost-effective investment that pays dividends in engine protection, fuel efficiency, and overall riding enjoyment. With its **direct fitment, superior filtration, and hassle-free installation**, this kit is an essential upgrade for anyone serious about maintaining their bike s health and performance.

### Pros and Cons of buying a Cycle MN/135BS Air Cleaner Kit for a 1991 2003 Harley-Davidson XLH1200 Fuel Injection (FI) Motor

1. **Improved Airflow and Performance** The Cycle MN/135BS kit is designed to enhance airflow into the engine, which can lead to better throttle response, smoother power delivery, and improved overall performance. This is particularly noticeable in stock or mildly modified engines where airflow restrictions may be limiting power.

2. **Better Engine Breathing** The stock air cleaner on Harley-Davidson XLH1200 FI models can become clogged over time, reducing efficiency. The Cycle kit provides a more open design with a high-flow filter, allowing cleaner air to reach the engine more freely.

3. **Easier Maintenance** The kit typically includes a replaceable filter element that is simpler to access and replace compared to some factory air cleaners. This can make routine maintenance more convenient.

4. **Compatibility with Modifications** If you plan to add performance parts like headers, exhaust systems, or ECU tuning, a high-flow air cleaner like the Cycle MN/135BS can help maximize the benefits of those upgrades by ensuring adequate airflow.

5. **Durability and Quality** Cycle Engineering is known for producing well-built, reliable aftermarket parts. The MN/135BS kit is designed to withstand the demands of a Harley-Davidson engine, reducing the risk of premature failure.

6. **Potential Fuel Efficiency Boost** By allowing the engine to breathe more efficiently, some riders report slight improvements in fuel economy, especially when combined with other performance upgrades.

7. **Aesthetic Appeal** The Cycle air cleaner kit often features a sleeker, more aggressive design compared to the stock unit, which can enhance the bike s appearance if you prefer a more modern or sporty look.

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1. **Potential for Increased Oil Consumption** A high-flow air cleaner can allow more unfiltered air into the engine, which may introduce small particles that could contribute to increased oil consumption or carbon buildup over time. This is more of a concern if the bike is already running lean or if maintenance is neglected.

2. **Noise Increase** The Cycle kit is designed to improve airflow, which can result in slightly louder intake noise, especially at higher RPMs. While not excessively loud, some riders may find it more noticeable than the stock setup.

3. **Compatibility with Stock ECU** The XLH1200 FI engine relies on the factory ECU to manage air-fuel ratios. While the Cycle kit itself won t cause issues, if the bike is not tuned or modified to account for the increased airflow, it could lead to slightly leaner mixtures under certain conditions, potentially reducing power or causing rough idling.

4. **Cost** The Cycle MN/135BS kit is not a cheap upgrade. Depending on where you purchase it, the price can range from $150 to $250 or more, which may be a significant investment if you re on a tight budget or only looking for minor improvements.

5. **Installation Complexity** While not overly difficult, installing the Cycle kit may require some mechanical skill, especially if you re unfamiliar with working on Harley-Davidson FI engines. It involves removing the stock air cleaner, installing the new housing, and ensuring proper sealing to prevent air leaks.

6. **Potential for Air Leaks** If the installation is not done correctly, gaps or improper sealing can allow unfiltered air to bypass the filter, negating the benefits of the kit and potentially causing performance issues or increased emissions.

7. **Limited Power Gains Without Additional Mods** The Cycle MN/135BS kit alone may not produce dramatic power gains, especially on a stock or lightly modified XLH1200. For noticeable performance improvements, it s often best paired with other upgrades like headers, exhaust, or ECU tuning.

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The Cycle MN/135BS air cleaner kit is a solid choice for riders of the 1991 2003 Harley-Davidson XLH1200 FI who want to improve airflow, maintainability, and overall engine efficiency. It is particularly beneficial if you ve already invested in other performance parts or plan to do so in the future. However, it is not a "magic bullet" for power gains and may require additional modifications (such as ECU tuning) to fully realize its potential.

The kit s pros better airflow, durability, and ease of maintenance outweigh its cons for most serious riders, provided they are aware of the minor trade-offs (e.g., potential noise increase or oil consumption concerns). If you re looking for a straightforward, high-quality upgrade that enhances your bike s performance and longevity, the Cycle MN/135BS is a worthwhile consideration.

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- You want to improve airflow and engine breathing in your XLH1200 FI.

- You ve already made or plan to make other performance upgrades (e.g., headers, exhaust, or ECU tuning).

- You re willing to invest in a quality aftermarket part that will last and require minimal maintenance.

- You don t mind a slightly louder intake and are comfortable with basic installation.

- You re on a tight budget and only want minor improvements.

- You haven t tuned the ECU or plan to run the bike without additional modifications.

- You re uncomfortable with minor maintenance tasks like filter replacements or installation.

- You prioritize absolute silence or stock-like performance over airflow enhancements.

For the best results, pair the Cycle kit with a high-quality oil filter and consider having an ECU tune performed to optimize air-fuel ratios for the improved airflow. This will help mitigate any potential downsides and ensure the upgrade benefits your engine fully.

Details:

Cycle Air Cleaner Kit for 1991 - 2003 Harley Davidson XLH1200 - Fuel cn: Status: In Stock.

part #: mn135b prices

• $31.15-$401.73

specifications intakefuelmotorcycle:

• for models: Xlh1200
• for makes: Harley, Davidson
• for years: 1991-2003
• brand: S-s Cycle
• mpn: Mn/135b
• compatible year: 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991
• compatible make: Harley Davidson
• bundle description: 1 Pc Genuines S Cycle Air Cleaner Kit
• type: Air Cleaner Kit
• core charge: Free No Core Charge
• fitment type: Direct Replacement

seller intakefuelmotorcycle:

• # reviews: 19684
• rating: 99.0%
• city: Multiple warehouses

returns intakefuelmotorcycle:

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

offer intakefuelmotorcycle:

• started: March 27, 2026
• quantity: 1
• availability: In Stock
• sold: 0
• options: Ship-to-home

shipping intakefuelmotorcycle:

• transit: 4-6 Days
• class: Standard
• type: Fixed
• service: Standard
• cost: $0.00

payments intakefuelmotorcycle:

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

general intakefuelmotorcycle:

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

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