1. Carburetors & Throttlebodies ATV For Sale
  2. sku: 17495807647575633
  3. SUPPLY MN/B88E

K-L SUPPLY MN-B88E Carburetor Boot Holder Big MN/B88E Boot/holder

fits model: Yfm350fw, 4x4, Bear. make: Yamaha. year: 1987–1997.

B88e K&l Supply Mn/b88e Carburetor Boot/holder For 1987-1997 Yamaha Yfm350fw Big Bear 4x4

( Brand: K-l Supply ), ( Manufacturer Part Number: MN/B88E ), ( Type: Carburetor Boots ), ( Compatible Year: 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 ), ( Compatible Model: Yfm350fw Big Bear 4x4 ), ( Bundle Description: 1 Pc Genuine K L Supply Carburetor Boots ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review K L SUPPLY Mn/b88e Carburetor Boot/holder Yamaha Big fits BEAR YFM350FW 4X4 1987–1997

The **Supply MN/B88E Carburetor Boot/Holder** is a meticulously engineered replacement part designed specifically for the **1987 1997 Yamaha YFM350FW Big Bear 4x4**, ensuring a secure and reliable fit for your vehicle s carburetor system. Crafted from high-quality, durable materials, this boot/holder is built to withstand the rigors of off-road use, providing a tight seal around the carburetor to prevent dust, debris, and moisture from infiltrating critical engine components. The precision-molded design ensures a snug, interference-free installation, reducing the risk of leaks or misalignment that could compromise engine performance. Whether you re tackling rugged trails or maintaining your Big Bear for optimal reliability, this boot/holder serves as an essential protective barrier, safeguarding the carburetor from environmental contaminants while maintaining the integrity of the fuel delivery system. Its universal compatibility with the YFM350FW s carburetor setup makes it an ideal upgrade for both restoration projects and routine maintenance, offering peace of mind with every ride. Built to last, this part is a testament to Yamaha s engineering standards, ensuring seamless functionality and durability for years of adventure.

Buying a replacement **supply manifold boot/holder (carburetor boot) for a 1987 1997 Yamaha YFM350FW Big Bear 4x4** can be a practical solution if the original part is damaged or worn. Below are the key pros and cons to consider before making a purchase.

### **Pros of Buying a Replacement Boot/Holder**

1. **Prevents Fuel Leaks** A cracked or deteriorated boot can cause fuel to leak, leading to potential fires or contamination of the engine bay. A new boot ensures a proper seal.

2. **Improves Reliability** If the boot is cracked or brittle, it may fail under vibration or heat, causing fuel delivery issues. Replacing it restores consistent fuel flow to the carburetor.

3. **Easy Installation** The boot is a relatively simple part to replace, requiring minimal tools (usually just a screwdriver or zip ties, depending on the design). Most riders can do it themselves in under an hour.

4. **Cost-Effective** Replacement boots are inexpensive compared to other engine components. A quality aftermarket or OEM boot typically costs between $10 and $30, depending on the source.

5. **Prevents Long-Term Damage** If the boot is failing, fuel residue can seep into the engine bay, attracting dirt and debris, which may clog the carburetor or intake system over time.

6. **Compatibility with Modifications** If you ve modified the carburetor or intake system, a new boot ensures a proper fit without gaps that could allow fuel vapor to escape.

### **Cons of Buying a Replacement Boot/Holder**

1. **Potential Quality Variations** Some aftermarket boots may be made from lower-grade rubber or plastic, which could degrade faster than the original. Cheap boots may crack under heat or vibration sooner than expected.

2. **Fitting Issues** If the boot is not an exact match, it may not seat properly, leading to leaks or an improper connection to the carburetor or supply line. Measuring or comparing with the original part is essential.

3. **Misdiagnosis of the Problem** If the boot is not the actual issue (e.g., a clogged carburetor, vacuum leak, or fuel line problem), replacing just the boot may not solve the underlying performance issues.

4. **Limited Availability of OEM Parts** Original Yamaha boots may be hard to find, especially for older models, forcing buyers to rely on aftermarket options, which may not always be as durable.

5. **Time-Consuming if DIY** While simple, removing the carburetor or intake system to replace the boot may require some disassembly, which could take longer if you re unfamiliar with the process.

6. **Possible Overlooked Maintenance** If the boot replacement is done without checking other related components (e.g., fuel lines, carburetor seals, or clamps), the issue may recur if those parts are worn.

### **Conclusion**

Replacing a worn or cracked carburetor boot on your Yamaha YFM350FW is a **wise preventive maintenance step** if you notice fuel leaks, fuel odor, or a deteriorating rubber part. The cost is minimal, and the process is straightforward, making it a practical fix for most riders. However, ensure you purchase a **high-quality, properly sized boot** to avoid future issues.

If you re unsure whether the boot is the actual problem, inspect it closely for cracks, brittleness, or fuel residue. If it s clearly failing, replacing it is a smart investment. If you re modifying the bike or suspect other issues (e.g., carburetor performance), consider checking related components at the same time.

### **Recommendation**

- **Buy from a reputable supplier** (e.g., Yamaha parts dealer, quality aftermarket brands like **K&N, Power Sport Parts, or eBay sellers with good reviews**).

- **Verify fitment** by comparing the new boot to your old one before purchasing.

- **Consider a dual-clamp or reinforced boot** if your bike sees heavy off-road use, as these last longer under vibration.

- **If unsure about installation**, consult a Yamaha dealer or experienced mechanic to confirm the boot is the correct part before replacing it.

A new boot will extend the life of your carburetor system and prevent more costly repairs down the road.

Details:

K L Supply Carburetor Boot/Holder for 1987 - 1997 Yamaha YFM350FW Big Bear 4X4 - ir: Status: In Stock.

part #: mnb88e price

  • $103.29

specifications carbthrotatv:

  • for models: Yfm350fw, 4x4, Bear
  • for makes: Yamaha
  • for years: 1987-1997
  • brand: K-l Supply
  • mpn: Mn/b88e
  • type: Carburetor Boots
  • compatible year: 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987
  • compatible model: Yfm350fw Big Bear 4x4
  • bundle description: 1 Pc Genuine K L Supply Carburetor Boots
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement

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  • credit card: Visa

returns carbthrotatv:

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

offer carbthrotatv:

  • options: Ship-to-home
  • quantity: 1
  • availability: In Stock
  • started: May 9, 2026
  • sold: 0

shipping carbthrotatv:

  • transit: 4-9 Days
  • class: Standard
  • type: Fixed
  • service: Standard
  • cost: $0.00

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  • # reviews: 22467
  • city: Multiple warehouses
  • rating: 99.2%

general carbthrotatv:

  • ATV, Side-by-Side UTV Parts Accessories > Air Intake Fuel Delivery > Carburetors
  • condition: New
for models: yfm350fw, 4x4, bear, for makes: yamaha, for years: 1987-1997, type: carburetor boots, compatible year: 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987, compatible model: yfm350fw big bear 4x4, bundle description: 1 pc genuine k l supply carburetor boots, core charge: free no core charge, fitment type: direct replacement,
category: atv parts > atv, side-by-side utv parts accessories > air intake fuel delivery > carburetors, sku: 17495807647575633,
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