1. Antique, Vintage, Historic Motorcycle Parts For Sale
  2. sku: 21889162781322602
  3. HARLEY DAVIDSON 27160-89

HARLEY-DAVIDSON 27160-89 Accelerator Pump Housing Keihin Cv Carb Carburetor Fls

fits model: Sportster. make: Harley.

27160-89 Harley-davidson Accelerator Pump Housing Keihin Carb Cv Carburetor Sportster Fls

( Brand: Harley-davidson ), ( Manufacturer Part Number: 27160-89 ), ( Part Type: Cv Pump Housing Carburetor ), ( Machine Type: Street Motorcycle ), ( Material: Aluminum ), ( Vintage Part: Yes ), ( Placement On Vehicle: Front ), ( Unit Type: Unit ), ( Manufacturer Warranty: No ), ( Compatible Year: 2000, 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, 1991, 1990, 1989, 1988 ), ( Country Of Origin: Japan )

Review HARLEY DAVIDSON Accelerator Pump Housing Keihin Carb Cv Carburetor Fls fits SPORTSTER

The **Harley-Davidson 27160-89 Accelerator Pump Housing (Keihin CV Carburetor)** is a precision-engineered component designed exclusively for the iconic Sportster and FLStake models equipped with the advanced Keihin CV carburetor system. This critical part plays a pivotal role in optimizing throttle response and fuel delivery, ensuring smooth acceleration and reliable performance under varying riding conditions. Crafted from durable, high-grade materials, the accelerator pump housing is built to withstand the demands of high-performance riding, from spirited cruising to spirited acceleration at low RPMs. The housing features a meticulously machined internal chamber that houses the accelerator pump diaphragm, a critical component that meters fuel into the intake stream when the throttle is suddenly opened. This design minimizes hesitation and ensures a crisp, responsive throttle feel, a hallmark of Harley-Davidson s legendary riding experience. Compatible with the **CV (Constant Velocity) carburetor**, this part is engineered to maintain precise fuel-air ratios, reducing the risk of fouling or poor combustion while enhancing overall engine efficiency. Whether you're restoring a classic Sportster or upgrading an FLStake for modern performance, this accelerator pump housing is an essential replacement part that upholds Harley-Davidson s reputation for craftsmanship and reliability. Its seamless integration with the Keihin system ensures that your bike maintains its signature growl and power delivery, making it a must-have for enthusiasts seeking both authenticity and performance.

### **Pros and Cons of buying a Harley-Davidson 27160-89 Accelerator Pump Housing (Keihin CV Carburetor for Sportster/FLS)**

#### **Pros**

1. **OEM Compatibility** This is a genuine Harley-Davidson part, meaning it is designed specifically for your motorcycle s make and model. It ensures proper fitment, performance, and reliability without the risk of aftermarket incompatibilities.

2. **Reliability and Durability** Harley-Davidson parts are built to withstand the demands of heavy-duty use, especially on cruisers like the Sportster and FLS. The accelerator pump housing is a critical component for smooth throttle response, and an OEM part is less likely to fail prematurely compared to lower-quality alternatives.

3. **Performance Consistency** Since this part is part of the Keihin CV carburetor system, it contributes to proper fuel delivery and throttle control. A well-functioning accelerator pump ensures better acceleration, especially under varying load conditions.

4. **Easier Maintenance and Repairs** Using OEM parts simplifies troubleshooting and repairs. Mechanics familiar with Harley-Davidson motorcycles will be more comfortable working with genuine components, reducing the risk of installation errors.

5. **Resale Value** If you plan to sell your motorcycle in the future, having OEM parts (including carburetor components) can make the bike more appealing to buyers who prefer stock or easily maintainable configurations.

6. **Warranty Coverage** If purchased directly from Harley-Davidson or an authorized dealer, this part may come with a warranty, providing peace of mind against defects.

7. **Avoiding Aftermarket Risks** Cheaper aftermarket parts may save money upfront but can lead to poor performance, increased emissions, or even engine damage if they don t meet factory specifications.

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#### **Cons**

1. **Higher Cost** Genuine Harley-Davidson parts are significantly more expensive than aftermarket alternatives. The accelerator pump housing alone may cost more than a full aftermarket carburetor kit, depending on the source.

2. **Limited Availability** While Harley-Davidson parts are widely available, older or discontinued models (especially for older Sportsters or FLS bikes) may require special ordering, leading to delays.

3. **Carburetor System Limitations** The Keihin CV carburetor is known for being finicky and prone to issues like float bowl leaks, dirty jets, or vacuum leaks. Replacing just the accelerator pump housing may not fully resolve carburetor problems; a full carburetor rebuild or upgrade might still be necessary.

4. **Weight and Bulk** Carbureted Harley-Davidson engines are heavier and less efficient than modern fuel-injected counterparts. If you re considering a future upgrade to fuel injection, this part may become obsolete.

5. **Maintenance Intensity** Carbureted engines require more frequent tuning and maintenance compared to fuel-injected ones. The accelerator pump housing, while durable, is part of a system that needs regular cleaning, jet adjustments, and potential rebuilds.

6. **Environmental and Emissions Concerns** Older carbureted bikes may not meet modern emissions standards in some regions, potentially requiring modifications or upgrades that could render this part less practical long-term.

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### **Conclusion**

The **Harley-Davidson 27160-89 accelerator pump housing** is a solid choice if you prioritize **reliability, OEM compatibility, and long-term durability** for your Sportster or FLS. It ensures proper throttle response and fits seamlessly into your bike s carburetor system. However, the **high cost, maintenance demands, and potential limitations of carbureted engines** must be weighed against the benefits.

If your primary goal is **improving throttle performance without major overhauls**, this part is a practical investment. But if you re considering **long-term modifications, emissions compliance, or a shift to fuel injection**, you may want to explore aftermarket alternatives or carburetor upgrades that offer better efficiency and ease of use.

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### **Recommendation**

- **Buy the OEM part if:**

- You need a **direct replacement** for a failed or worn accelerator pump housing.

- You prefer **stock performance** and don t plan on major engine modifications.

- You want **confidence in fitment and reliability** without aftermarket risks.

- **Consider alternatives if:**

- You re on a **tight budget** aftermarket accelerator pump housings (from brands like **Keihin, Mikuni, or Edelbrock**) may offer similar performance at a lower cost.

- Your carburetor has **other issues** (e.g., leaks, dirty jets) a **full carburetor rebuild or upgrade** (e.g., to a **Keihin CV or Mikuni BS27** carb) could be more cost-effective in the long run.

- You re **planning future modifications** (e.g., fuel injection, performance exhaust) a carburetor system may become outdated, making aftermarket parts a better short-term solution.

For most riders keeping a **stock or lightly modified Sportster/FLS**, the **OEM part is the safest choice**. However, if you re open to upgrades, researching **aftermarket carburetor kits or performance carburetor upgrades** could provide better long-term value.

Details:

Good condition.

part #: 2716089 price

  • $25.00

specifications cyclevintagee:

  • for models: Sportster
  • for makes: Harley
  • brand: Harley-davidson
  • mpn: 27160-89
  • part type: Cv Pump Housing Carburetor
  • machine type: Street Motorcycle
  • material: Aluminum
  • vintage part: Yes
  • placement on vehicle: Front
  • unit type: Unit
  • manufacturer warranty: No
  • compatible year: 2000, 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, 1991, 1990, 1989, 1988
  • country of origin: Japan

general cyclevintagee:

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

seller cyclevintagee:

  • city: New Iberia, Louisiana
  • # reviews: 156
  • rating: 95.3%

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  • type: Calculated
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  • service: USPS Ground Advantage
  • class: Standard
  • carrier: USPS
  • transit: 5-12 Days

offer cyclevintagee:

  • sold: 0
  • availability: In Stock
  • started: April 20, 2026
  • best offers: True
  • quantity: 1
  • options: Ship-to-home

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  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller
for models: sportster, for makes: harley, part type: cv pump housing carburetor, machine type: street motorcycle, vintage part: yes, placement on vehicle: front, unit type: unit, manufacturer warranty: no, compatible year: 2000, 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, 1991, 1990, 1989, 1988, country of origin: japan,
category: motorcycle parts > motorcycle scooter parts accessories, material: aluminum, sku: 21889162781322602,
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