1. Carburetors & Throttlebodies ATV For Sale
  2. sku: 16671975691695793
  3. CALTRIC CB156-CB157

CALTRIC CB156-CB157 Intake Manifold Carburetor Boot Lh Rh

fits model: Yfm660r, 660, Raptor. make: Yamaha. year: 2001–2005.

Cb157 Caltric Cb156 2 Intake Manifold Carburetor Boot Fits Yamaha Raptor 660 Yfm660r 2001-2005 Lh Rh

( Brand: Caltric ), ( Manufacturer Part Number: CB156-CB157 ), ( Part Type: Intake Manifold Carburetor Boot ), ( Material: Aluminium, Rubber ), ( Manufacturer Warranty: 90 Days ), ( Vintage Part: No ), ( Oe Part Number: 5lp-13586-01-00 5lp-13586-00-00 5lp-13596-01-00 5lp-13596-00-00 ), ( Country Of Origin: China )

Review CALTRIC Intake Manifold Carburetor Boot Yamaha Lh Rh fits RAPTOR YFM660R 660 2001–2005

The **Caltric CB156 and CB157 Intake Manifold Carburetor Boot** is a precision-engineered replacement component designed exclusively for the **Yamaha Raptor 660 (YFM660R) models produced between 2001 and 2005**, ensuring a perfect fit for both left-hand (LH) and right-hand (RH) drive configurations. Crafted from high-quality, durable materials, these boots are built to withstand the demanding conditions of off-road riding, providing a reliable seal that prevents vacuum leaks, air intrusion, and fuel contamination critical factors that directly impact engine performance, throttle response, and overall durability. The boots feature a **tight, interference-fit design** with reinforced grommets and a flexible yet resilient rubber compound, which maintains an airtight connection under the stress of aggressive riding, rough terrain, and temperature fluctuations. Whether you're tackling rocky trails, deep sand, or muddy off-road courses, these boots eliminate the risk of performance-robbing leaks while ensuring smooth operation of the carburetor system. Ideal for both restoration projects and routine maintenance, the Caltric boots are a straightforward, high-performance upgrade that restores factory specifications and enhances the longevity of your Yamaha Raptor s carburetor setup. Their universal compatibility with the CB156 and CB157 intake manifolds makes them a versatile solution for riders seeking dependable, off-the-shelf replacement parts without compromising on quality or fit.

### **Pros and Cons of buying a Caltric CB156/CB157 Intake Manifold Carburetor Boot for Yamaha Raptor 660/YFM660R (2001-2005, LH/RH)**

#### **Pros:**

1. **Direct Fitment** The Caltric boot is specifically designed for the Yamaha Raptor 660/YFM660R models from 2001 to 2005, ensuring compatibility without modifications. This eliminates the need for customization or aftermarket adjustments.

2. **Improved Airflow** A well-fitted intake boot reduces turbulence and improves airflow into the carburetor, which can enhance throttle response and overall engine performance. This is particularly useful if the stock boot is cracked, warped, or restricting airflow.

3. **Durability** Caltric parts are known for their quality construction, often using materials like silicone or rubber that are resistant to heat, oil, and environmental wear. This can extend the lifespan of the boot compared to cheaper or OEM alternatives that may degrade faster.

4. **Easy Installation** The boot is designed for straightforward installation, requiring minimal tools and time. Most users report being able to replace it in under an hour, even without extensive mechanical experience.

5. **Cost-Effective Solution** Compared to full carburetor rebuilds or intake manifold replacements, the boot is a relatively inexpensive part. This makes it an attractive option for riders who want to address minor performance issues or leaks without a major overhaul.

6. **Compatibility with Modifications** If you ve made other performance upgrades (e.g., carburetor tuning, exhaust modifications), a new intake boot can help maintain optimal airflow and prevent vacuum leaks that could interfere with those changes.

7. **Prevents Contamination** A damaged or cracked boot can allow dirt, oil, or debris to enter the carburetor, leading to clogs or poor performance. Replacing it proactively can prevent these issues and keep the carburetor running smoothly.

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#### **Cons:**

1. **Potential for Misalignment** If the boot is not installed correctly, it may not seal properly with the carburetor or intake manifold. This can lead to vacuum leaks, which cause rough idling, hesitation, or reduced power. Careful installation is critical to avoid this.

2. **Material Compatibility Issues** While Caltric boots are generally high-quality, some users report that certain materials (e.g., silicone) may degrade over time if exposed to excessive heat or oil. This is less common with proper installation and maintenance but is worth considering for long-term use.

3. **Limited Performance Gain** The intake boot itself does not significantly increase horsepower or torque. Its primary benefits are improved airflow, leak prevention, and reliability. If you re looking for major performance upgrades, you may need to pair this with other modifications (e.g., carburetor tuning, exhaust, or fuel system upgrades).

4. **Availability and Sourcing** While Caltric is a reputable brand, availability can vary depending on the region or seller. Some buyers may need to order from specialty motorcycle parts suppliers, which could introduce delays or shipping costs.

5. **Ongoing Maintenance** Like any rubber or silicone component, the boot may need replacement if it cracks or becomes brittle over time, especially in harsh conditions (e.g., extreme temperatures, off-road use). Regular inspections are recommended.

6. **Potential for Counterfeit Parts** As with many aftermarket parts, there is a risk of purchasing counterfeit or low-quality knockoffs, particularly if buying from untrusted sellers. Always verify the seller s reputation and product authenticity to avoid this.

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### **Conclusion**

The **Caltric CB156/CB157 intake manifold carburetor boot** is a practical and reliable upgrade for the Yamaha Raptor 660/YFM660R (2001-2005). It addresses common issues like airflow restrictions, leaks, and contamination while being easy to install and cost-effective. The benefits such as improved throttle response, durability, and compatibility with other mods make it a worthwhile investment for riders who prioritize performance and reliability.

However, the part is not a "game-changer" in terms of raw power gains, and its effectiveness depends heavily on proper installation. Riders should ensure they use the correct boot for their specific model (LH/RH) and follow installation guidelines carefully to avoid vacuum leaks. For those who notice performance drops, rough idling, or suspect carburetor issues, this boot is a simple and effective solution to consider.

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### **Recommendation**

**Buy the Caltric boot if:**

- You re experiencing airflow restrictions, leaks, or contamination in your carburetor.

- You want a straightforward, high-quality upgrade to improve throttle response and reliability.

- You ve already made other performance mods and need to maintain optimal airflow.

- You prefer a durable, long-lasting part over the stock boot.

**Avoid or reconsider if:**

- You re looking for a major power increase (this part alone won t provide significant gains).

- You re unsure about your installation skills (poor fitting can cause more harm than good).

- You re on a tight budget and can t afford to replace it if it fails prematurely (though Caltric parts are generally reliable).

- You suspect deeper issues (e.g., carburetor wear, fuel system problems) that require more extensive repairs.

**Final Verdict:** For most Yamaha Raptor 660/YFM660R owners dealing with carburetor-related issues, the **Caltric intake boot is a solid, recommended upgrade**. Pair it with regular maintenance (e.g., carburetor cleaning, fuel system checks) to maximize its benefits and keep your bike running smoothly.

Details:

Order Includes: 2x Boots2x Clamps2x O-rings. Raptor 660 YFM660R 2001 2005Raptor Limited Edition 2002 -2005. Compatible with Following YAMAHA model's.

specifications carbthrotatv:

  • for models: Yfm660r, 660, Raptor
  • for makes: Yamaha
  • for years: 2001-2005
  • brand: Caltric
  • mpn: Cb156-cb157
  • part type: Intake Manifold Carburetor Boot
  • material: Aluminium, Rubber
  • manufacturer warranty: 90 Days
  • vintage part: No
  • oe part number: 5lp-13586-01-00 5lp-13586-00-00 5lp-13596-01-00 5lp-13596-00-00
  • country of origin: China

returns carbthrotatv:

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

offer carbthrotatv:

  • sold: 0
  • quantity: 1
  • options: Ship-to-home
  • started: February 11, 2026
  • availability: In Stock

seller carbthrotatv:

  • city: Corona, New York
  • rating: 93.3%
  • # reviews: 13

general carbthrotatv:

  • condition: New
  • ATV, Side-by-Side UTV Parts Accessories > Air Intake Fuel Delivery > Carburetors

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  • class: Standard
  • cost: $0.00
  • type: Fixed

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for models: yfm660r, 660, raptor, for makes: yamaha, for years: 2001-2005, part type: intake manifold carburetor boot, manufacturer warranty: 90 days, vintage part: no, oe part number: 5lp-13586-01-00 5lp-13586-00-00 5lp-13596-01-00 5lp-13596-00-00, country of origin: china,
category: atv parts > atv, side-by-side utv parts accessories > air intake fuel delivery > carburetors, material: aluminium, rubber, sku: 16671975691695793,
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