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  3. MIKUNI MN/CBZ7

MIKUNI MN-CBZ7 Smoothbore Intake Fltri Lw MN/CBZ7

fits model: Road. make: Harley, Davidson. year: 1998–1999.

Cbz7 Mikuni Mn/cbz7 Smoothbore Intake Parts For 1998-1999 Harley Davidson Fltri Road Lw

( Brand: Mikuni ), ( Manufacturer Part Number: MN/CBZ7 ), ( Compatible Year: 1999 1998 ), ( Compatible Make: Harley Davidson ), ( Compatible Model: Fltri Road Glide ), ( Bundle Description: 1 Pc Genuine Mikuni Smoothbore Intake Parts ), ( Type: Smoothbore Intake Parts ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review MIKUNI Mn/cbz7 Smoothbore Intake Parts Harley Davidson Fltri Lw fits ROAD 1998–1999

The **Mikuni MN/CBZ7 Smoothbore Intake for 1998-1999 Harley-Davidson FLTRI Road LW** is a meticulously engineered aftermarket intake manifold designed to enhance the performance and throttle response of the iconic Twin Cam 883 engine found in these legendary touring bikes. Crafted from high-quality aluminum with precision machining, this intake features a **smoothbore design**, eliminating the restrictive stock castings that often choke airflow and limit power delivery. The CBZ7 designation indicates a carefully tuned flow path optimized for the FLTRI s specific displacement and cylinder head configuration, ensuring seamless integration with the stock throttle bodies and fuel injection system. Unlike generic aftermarket intakes that may introduce turbulence or improper velocity stacks, Mikuni s design maintains a clean, progressive airflow pattern, allowing the engine to breathe more efficiently across the entire RPM range. This results in a noticeable improvement in mid-range torque and a smoother, more linear powerband, particularly in the 2,500 to 5,500 RPM range where the Twin Cam excels. The intake s compatibility with the Road LW s fuel-injected system is further reinforced by Mikuni s reputation for precision engineering, ensuring that the intake won t disrupt the bike s electronic fuel delivery or trigger any check engine lights. Whether cruising on the highway or navigating twisty backroads, this intake delivers a tangible shift in responsiveness, making the FLTRI feel more alive and engaged. For riders seeking a subtle yet effective upgrade that preserves the bike s stock character while unlocking hidden performance, the Mikuni MN/CBZ7 Smoothbore Intake is an ideal choice combining reliability, ease of installation, and measurable gains without the need for extensive modifications.

**Pros and Cons of Buying a Mikuni MN/CBZ7 Smoothbore Intake for a 1998-1999 Harley-Davidson FLTIR Road LW**

### **Pros**

1. **Improved Airflow and Performance** The smoothbore intake replaces the stock restrictive intake, allowing for better airflow into the carburetor. This can result in a noticeable increase in throttle response, especially at higher RPMs, and may improve overall engine efficiency.

2. **Enhanced Throttle Response** The stock intake on the FLTIR is known to be restrictive, leading to a sluggish feel under acceleration. The Mikuni MN/CBZ7 smoothbore intake helps mitigate this by providing a more direct path for air, making the bike feel more responsive.

3. **Better Fuel Mixture** With improved airflow, the carburetor can draw in fuel more effectively, potentially leading to a smoother idle and better power delivery across the RPM range.

4. **Easier Installation** Compared to some aftermarket intake kits, the Mikuni MN/CBZ7 smoothbore intake is relatively straightforward to install. It typically requires minimal modifications and can be done with basic tools.

5. **Cost-Effective Modification** Relative to other performance upgrades (such as exhaust systems or engine swaps), the smoothbore intake is a budget-friendly way to enhance intake airflow without significant cost.

6. **Compatibility with Stock Components** Since it is designed specifically for the FLTIR, it integrates well with the stock carburetor (typically a Mikuni 38mm or 41mm) without requiring additional tuning or modifications to other systems.

7. **Minimal Risk of Voiding Warranty** Unlike engine modifications or exhaust upgrades, replacing the intake is often considered a non-intrusive change that may not void the bike s warranty, depending on the manufacturer s policies.

8. **Aesthetic Appeal** The smoothbore intake has a cleaner, more aggressive look compared to the stock intake, which some riders appreciate as a subtle cosmetic upgrade.

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### **Cons**

1. **Moderate Performance Gains** While the smoothbore intake improves airflow, the gains in power and throttle response are not dramatic. Expect noticeable but not extreme improvements, especially if the bike already has other performance modifications (such as an aftermarket exhaust or tuned carburetor).

2. **Requires Carburetor Tuning** After installation, the carburetor may need adjustment to compensate for the increased airflow. This could involve tweaking the jets or idle mixture screws, which may require some trial and error or professional assistance.

3. **Potential for Rough Idle or Running Issues** If the carburetor is not properly tuned post-installation, the bike may develop a rough idle, stumble at low speeds, or even fail to start reliably. This is more likely if the carburetor was already out of tune before the intake swap.

4. **Limited Longevity with Stock Components** While the smoothbore intake itself is durable, if paired with a carburetor that is already worn or clogged, the performance benefits may be short-lived. Eventually, the carburetor may need servicing or replacement for optimal results.

5. **No Significant Horsepower Increase** Unlike a full engine rebuild or a supercharger, the smoothbore intake does not dramatically increase horsepower. For riders seeking substantial power gains, this modification alone may not be sufficient.

6. **Dependence on Other Systems** The effectiveness of the intake is limited by other factors, such as the condition of the carburetor, throttle body, and exhaust system. If any of these components are restrictive, the gains from the intake will be diminished.

7. **Potential for Backfiring** In some cases, increased airflow can lead to minor backfiring or exhaust noise, especially if the carburetor is not properly tuned. This is usually mild but can be annoying to some riders.

8. **Not a "Set and Forget" Modification** Unlike a bolt-on exhaust, the smoothbore intake requires some attention to ensure the carburetor is functioning correctly. Neglecting tuning can lead to poor performance or drivability issues.

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### **Conclusion**

The Mikuni MN/CBZ7 smoothbore intake is a worthwhile modification for the 1998-1999 Harley-Davidson FLTIR Road LW, particularly for riders who want to improve throttle response and airflow without a major investment. It is a simple, low-risk upgrade that can make the bike feel more alive, especially in stop-and-go traffic or at lower RPMs. However, it is not a "miracle fix" for power or performance it works best when paired with a well-maintained carburetor and other functional components.

The modification is ideal for riders who:

- Want a subtle but noticeable improvement in airflow and throttle feel.

- Are on a budget and want to avoid more complex or expensive upgrades.

- Are willing to spend some time tuning the carburetor post-installation.

- Appreciate the aesthetic benefits of a cleaner intake design.

For riders seeking significant power gains or a more aggressive performance upgrade, the smoothbore intake should be paired with other modifications, such as a high-flow carburetor, aftermarket exhaust, or even a performance air cleaner.

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### **Recommendation**

If you are considering the Mikuni MN/CBZ7 smoothbore intake for your 1998-1999 FLTIR, proceed with the upgrade if:

- You are satisfied with the stock carburetor and exhaust but want better airflow.

- You are prepared to tune the carburetor after installation (or have access to a mechanic who can do it).

- You are looking for a cost-effective way to enhance the bike s drivability without major modifications.

**Installation Steps:**

1. Remove the stock intake and clean the mounting area.

2. Install the smoothbore intake, ensuring a secure fit.

3. Reconnect the vacuum lines and throttle linkage.

4. Perform a baseline tune of the carburetor (adjust idle mixture, main jets if necessary).

5. Test the bike thoroughly, paying attention to idle stability, throttle response, and overall performance.

**Final Note:** If the carburetor is old or clogged, consider replacing it with a high-quality aftermarket unit (such as a Mikuni 38mm or 41mm) for better long-term results. The smoothbore intake will still improve airflow, but a fresh carburetor will maximize its potential.

Details:

Mikuni Smoothbore Intake Parts for 1998 - 1999 Harley Davidson FLTRI Road lw: Status: In Stock.

part #: mncbz7 price

  • $145.91

specifications intakefuelmotorcycle:

  • for models: Road
  • for makes: Harley, Davidson
  • for years: 1998-1999
  • brand: Mikuni
  • mpn: Mn/cbz7
  • compatible year: 1999 1998
  • compatible make: Harley Davidson
  • compatible model: Fltri Road Glide
  • bundle description: 1 Pc Genuine Mikuni Smoothbore Intake Parts
  • type: Smoothbore Intake Parts
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement

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  • Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Other Air Intake Fuel Delivery

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offer intakefuelmotorcycle:

  • started: April 20, 2026
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for models: road, for makes: harley, davidson, for years: 1998-1999, compatible year: 1999 1998, compatible make: harley davidson, compatible model: fltri road glide, bundle description: 1 pc genuine mikuni smoothbore intake parts, type: smoothbore intake parts, core charge: free no core charge, fitment type: direct replacement,
category: motorcycle parts > motorcycle scooter parts accessories > air intake fuel delivery, sku: 23512811695767632,
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