1. Motorcycle Intake & Fuel Systems Deals
  2. sku: 22270892776248713
  3. MOROSO MN/FVM5

MOROSO MN-FVM5 Air Cleaner Oil Separator Cams Teardrop MN/FVM5 Air/oil

fits model: Twin.

Fvm5 Moroso Mn/fvm5 Air/oil Separator For Twin Cams With S&s Teardrop Air Cleaner Fd

( Brand: Moroso ), ( Manufacturer Part Number: MN/FVM5 ), ( Color: Black ), ( Compatible Year: 2016 2015 2014 2013 2012 2011 ), ( Compatible Make: Harley Davidson ), ( Compatible Model: Fltruse Cvo Road Glide Ultra ), ( Bundle Description: 1 Pc Genuine Moroso Air/oil Separ ), ( Type: Air/oil Separator For Twin Cams Withs S Teardrop Air Cleaner ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review MOROSO Mn/fvm5 Air/oil Separator Cams Withsteardrop Air Cleaner Fd fits TWIN

The **Moroso MN/FVM5 Air/Oil Separator** is a meticulously engineered, high-performance component designed exclusively for twin-cam engines, offering an unparalleled solution for maintaining optimal air filtration and oil separation efficiency. Built to complement Moroso s renowned **Withs Teardrop Air Cleaner**, this air/oil separator is crafted from durable, corrosion-resistant materials, ensuring long-lasting reliability under the most demanding conditions. Its compact yet robust design allows for seamless integration into classic and modern twin-cam applications, from high-performance street rods to aggressive drag racing setups. The separator features a precision-engineered internal baffle system that effectively traps oil droplets while allowing clean, unrestricted airflow to pass through, minimizing oil carryover and preserving engine longevity. The robust construction includes a sturdy aluminum housing with reinforced mounting points, providing both strength and ease of installation. Whether paired with a Moroso air cleaner or a compatible third-party unit, this separator ensures that your engine breathes efficiently while keeping oil contamination at bay, delivering peak performance and reliability for years of trouble-free operation. Ideal for enthusiasts seeking a balance of performance and durability, the Moroso MN/FVM5 is a must-have upgrade for any twin-cam-powered vehicle.

Buying the Moroso MN/FVM5 Air/Oil Separator for a Twin Cam engine paired with a Steardrop air cleaner offers several advantages and drawbacks, depending on your priorities, budget, and specific needs. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.

---

**Pros:**

1. **Enhanced Engine Protection:** The Moroso MN/FVM5 is designed to separate oil from the air-fuel mixture before it enters the intake system. This helps prevent oil fouling of the intake valves, carburetor, and cylinder head, which is particularly beneficial for high-mileage engines or those running modified camshafts. Twin Cam engines, especially those with aftermarket performance parts, are prone to oil migration, and this separator mitigates that risk.

2. **Improved Performance:** By reducing oil contamination in the intake, the separator can help maintain or even improve throttle response and overall engine performance. This is especially noticeable in engines that have developed oil-related issues over time.

3. **Compatibility with Steardrop Air Cleaner:** The Moroso MN/FVM5 is designed to work seamlessly with the Steardrop air cleaner, which is a popular choice for its durability and performance. The combination ensures a clean and efficient airflow while protecting the intake system from oil buildup.

4. **Easy Installation:** Moroso products are generally known for their straightforward installation processes. The MN/FVM5 is no exception, with clear instructions and minimal modifications required to fit it onto a Twin Cam engine. This makes it an attractive option for DIYers who want to improve their engine s reliability without extensive labor.

5. **Cost-Effective Solution:** Compared to more invasive modifications like valve job or cylinder head replacement, the Moroso MN/FVM5 is relatively inexpensive. It offers a low-cost way to address oil migration issues without major engine work.

6. **Compatibility with Aftermarket Parts:** Twin Cam engines with performance parts (e.g., cams, headers, or carburetors) often benefit from this separator. It helps maintain the integrity of aftermarket components by preventing oil from entering the intake system.

7. **Reduced Maintenance:** By preventing oil from fouling the intake valves and carburetor, the separator can reduce the frequency of carburetor cleaning or valve maintenance, saving time and money in the long run.

---

**Cons:**

1. **Limited Effectiveness on Severe Oil Migration:** While the Moroso MN/FVM5 is effective for mild to moderate oil migration, it may not be sufficient for engines with severe oil fouling issues. In such cases, additional measures like a valve job or a more aggressive separator (such as a Moroso MN/FVM6 or similar) may be necessary.

2. **Not a Cure for Underlying Issues:** The separator addresses symptoms of oil migration but does not fix the root cause. If the engine has excessive oil pressure, worn piston rings, or other internal issues, the separator alone will not resolve those problems. It s a symptomatic fix rather than a curative one.

3. **Potential for Increased Backpressure:** Some users report that air/oil separators can introduce slight backpressure into the intake system, which may slightly reduce airflow efficiency. However, this effect is typically minor and outweighed by the benefits for most applications.

4. **Requires Regular Maintenance:** While the separator reduces oil contamination, it still collects oil over time. Users must periodically drain and clean the separator to ensure it continues to function effectively. Neglecting this can lead to the separator becoming clogged or ineffective.

5. **Compatibility Considerations:** Although the Moroso MN/FVM5 is designed for Twin Cam engines, compatibility can vary slightly depending on the specific year, model, and modifications. Users with heavily modified or rare engines may need to verify fitment carefully or make minor adjustments.

6. **Minimal Performance Gain for Stock Engines:** If the engine is stock and not experiencing oil migration issues, the benefits of the separator may be negligible. The separator is most valuable for engines with performance parts or high mileage.

7. **Installation Complexity for Some Builders:** While generally straightforward, installing the separator may require some mechanical skill, especially if the engine is in a tight space or has additional modifications. Beginners may find the process challenging without proper guidance.

---

**Conclusion:**

The Moroso MN/FVM5 Air/Oil Separator is a practical and effective solution for Twin Cam engines equipped with a Steardrop air cleaner, particularly for those experiencing oil migration issues or running performance parts. It offers tangible benefits in terms of engine protection, performance maintenance, and reduced maintenance needs. However, it is not a universal fix and may require additional measures for severe oil-related problems. The separator is best suited for engines where oil fouling is a known issue or where performance modifications could exacerbate such problems.

For most Twin Cam enthusiasts especially those with modified engines or high-mileage applications the Moroso MN/FVM5 is a worthwhile investment. It strikes a balance between cost, ease of installation, and effectiveness. However, users should ensure they address the root cause of oil migration (e.g., proper oil type, valve stem seals, or internal engine condition) alongside using the separator for optimal results.

---

**Recommendation:**

If you are running a Twin Cam engine with a Steardrop air cleaner and notice oil fouling in the intake system, carburetor, or valves, or if you have installed performance parts like a hot cam, headers, or a carburetor, installing the Moroso MN/FVM5 is highly recommended. It is a simple, cost-effective way to protect your engine and maintain performance.

For stock engines without oil migration issues, the separator may not be necessary, but it can still serve as a preventive measure if you plan to modify the engine in the future.

Ultimately, pair the Moroso MN/FVM5 with regular maintenance (e.g., oil changes with the correct oil viscosity, checking valve stem seals, and periodic separator cleaning) to ensure long-term reliability. If oil issues persist despite using the separator, consider consulting a mechanic to diagnose and address underlying engine problems.

Details:

Moroso Air/Oil Separator for Twin Cams withs Teardrop Air Cleaner fd: Status: In Stock.

part #: mnfvm5 price

  • $373.16

specifications intakefuelmotorcycle:

  • for models: Twin
  • brand: Moroso
  • mpn: Mn/fvm5
  • color: Black
  • compatible year: 2016 2015 2014 2013 2012 2011
  • compatible make: Harley Davidson
  • compatible model: Fltruse Cvo Road Glide Ultra
  • bundle description: 1 Pc Genuine Moroso Air/oil Separ
  • type: Air/oil Separator For Twin Cams Withs S Teardrop Air Cleaner
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement

general intakefuelmotorcycle:

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

payments intakefuelmotorcycle:

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

offer intakefuelmotorcycle:

  • quantity: 1
  • sold: 0
  • options: Ship-to-home
  • availability: In Stock
  • started: February 5, 2026

seller intakefuelmotorcycle:

  • city: Multiple warehouses
  • # reviews: 17098
  • rating: 98.7%

shipping intakefuelmotorcycle:

  • type: Fixed
  • service: Standard
  • transit: 2-5 Days
  • cost: $0.00
  • class: Standard

returns intakefuelmotorcycle:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days
for models: twin, compatible year: 2016 2015 2014 2013 2012 2011, compatible make: harley davidson, compatible model: fltruse cvo road glide ultra, bundle description: 1 pc genuine moroso air/oil separ, type: air/oil separator for twin cams withs s teardrop air cleaner, core charge: free no core charge, fitment type: direct replacement,
category: motorcycle parts > motorcycle scooter parts accessories > air intake fuel delivery, color: black, sku: 22270892776248713,
Moroso MN-FVM5 Is Similar To:
intakefuelmotorcycle logo
1 offer $373.16 USD
  • New. Offer #1 priced at $373.16 + $0.00 shipping estimate = $373.16* total. FREE SHIPPING

Copyright © intakefuelmotorcycle.com