K-L SUPPLY 11-3649 Carburetor Intake Manifold Boot YFM7FG 3B4-13586-0
fits model: 700, Grizzly. make: Yamaha. year: 2007–2015.
( Brand: K-l Supply ), ( Manufacturer Part Number: 11-3649 ), ( Part Type: Intake Carburetor Manifold Boot ), ( Fits: Atv ), ( Country Of Manufacture: Japan )
Review K L SUPPLY Carburetor Intake Manifold Boot Yamaha fits GRIZZLY 700 2007–2015
The **Yamaha GRIZZLY 700 YFM7FG (2007 2015) Intake Manifold Boot (Part #11-3649 / 3B4-13586-0)** is a precision-engineered rubber intake manifold boot designed to maintain optimal airflow and sealing integrity within the engine bay of your Yamaha GRIZZLY 700. Crafted from high-quality, durable rubber compound, this boot is engineered to withstand the demanding conditions of off-road use, including exposure to extreme temperatures, vibrations, and occasional contact with dirt, mud, or debris. Its snug, tapered design ensures a secure and airtight fit between the carburetor and the intake manifold, preventing vacuum leaks that could compromise throttle response, fuel efficiency, and overall engine performance. The boot s reinforced construction minimizes the risk of cracking or deterioration over time, even after prolonged exposure to the elements, making it a reliable long-term solution for maintaining your engine s peak operation. Whether you re tackling rugged trails or cruising on paved roads, this boot plays a critical role in preserving the integrity of your intake system, ensuring smooth power delivery and a seamless riding experience. Perfect for both original equipment replacement and aftermarket modifications, this part is a straightforward yet essential component for any Yamaha GRIZZLY 700 owner seeking to uphold their vehicle s performance and reliability.
### **Pros and Cons of buying a Yamaha GRIZZLY 700 YFM7FG (2007 2015) Intake Manifold Boot (Part #11-3649 or 3B4-13586-0)**
#### **Pros:**1. **Direct OEM Fitment** This part is manufactured by Yamaha or an authorized supplier, ensuring a precise fit with no modifications required. It will align perfectly with the engine bay, intake system, and throttle body, reducing the risk of leaks or improper sealing.
2. **Reliability and Durability** Since it is an original or high-quality aftermarket replacement, it should be built to withstand the heat, vibrations, and pressure of the engine s intake system. This minimizes the chance of premature failure compared to cheap knockoffs.
3. **Easy Installation** The boot is a straightforward component, typically held in place by clips, screws, or a snap-fit design. Most mechanics or experienced DIYers can replace it in under an hour with basic tools (screwdriver, pliers, possibly a torque wrench).
4. **Prevents Carbon Buildup and Intake Restriction** A cracked or deteriorated boot can allow carbon particles, moisture, or debris to enter the intake, clogging the throttle body or air filter housing. Replacing it helps maintain proper airflow and engine performance.
5. **Cost-Effective Compared to Engine Work** Ignoring a failing intake boot can lead to more severe issues like throttle body damage, intake valve carbon buildup, or even engine misfires. Replacing the boot early is far cheaper than addressing those problems.
6. **Improves Fuel Efficiency and Performance** A properly sealed intake system ensures optimal air-fuel mixture, which can slightly improve throttle response, fuel economy, and overall engine efficiency.
7. **Warranty Coverage (If Purchased from a Reputable Source)** Some aftermarket suppliers or Yamaha dealerships offer warranties on replacement parts, providing peace of mind against defects.
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#### **Cons:**1. **Limited Availability and Lead Times** OEM or high-quality aftermarket parts for older Yamaha models (especially those with discontinued production) can be harder to find. Some suppliers may have long wait times or require ordering from specialty shops.
2. **Price Can Be Higher Than Generic Alternatives** While not excessively expensive, a genuine or premium aftermarket boot may cost more than a no-name part from an unknown seller. However, this is a trade-off for reliability.
3. **Potential for Counterfeit Parts** If purchasing from an untrusted online marketplace (e.g., eBay without seller verification), there is a risk of receiving a fake or low-quality replica. Always buy from authorized dealers, Yamaha parts stores, or reputable aftermarket suppliers.
4. **Additional Costs May Be Required** If the boot is part of a larger intake system (e.g., throttle body, air filter housing), you may need to replace other worn components (e.g., gaskets, clips) simultaneously to ensure a complete fix.
5. **DIY Installation Challenges** While simple, improper handling (e.g., overtightening screws, damaging the boot during removal) can lead to leaks or damage. Those unfamiliar with engine work may prefer a professional mechanic.
6. **Compatibility Confusion** Some buyers mistake this part for a throttle body cover, air filter housing, or intake pipe. Double-checking the part number and application (2007 2015 YFM7FG) is crucial to avoid ordering the wrong component.
7. **Environmental Factors May Still Affect Longevity** Even with a new boot, exposure to heat, oil leaks, or road debris can accelerate wear. Regular inspections (especially after off-road use) are recommended.
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### **Conclusion:**Replacing the intake manifold boot on your Yamaha GRIZZLY 700 (2007 2015) is a **practical and cost-effective maintenance task** that prevents minor issues from escalating into costly repairs. The benefits such as improved performance, fuel efficiency, and avoidance of intake system contamination outweigh the drawbacks, provided you source the part from a reliable supplier and perform the installation correctly.
The **primary risks** stem from purchasing counterfeit parts or delaying replacement until the boot fails completely. However, these can be mitigated by:
- Buying from **authorized Yamaha dealers, specialty ATV parts stores, or trusted aftermarket suppliers** (e.g., ATV Parts Pro, Yamaha s official website, or reputable online retailers like Amazon with verified sellers).
- **Inspecting the part upon arrival** for quality, fit, and packaging integrity.
- **Following the installation instructions carefully** and ensuring all seals/clips are secure.
For most owners, this is a **low-effort, high-reward** upgrade that extends the life of their GRIZZLY s intake system.
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### **Recommendation:****Proceed with purchasing the OEM or high-quality aftermarket intake manifold boot (11-3649 or 3B4-13586-0) from a trusted source.** Prioritize **Yamaha-authorized parts** or **well-reviewed aftermarket brands** (e.g., ATV Parts Pro, Genuine Yamaha, or reputable eBay sellers with high ratings). If unsure about installation, consult a mechanic for guidance.
**Budget:** Expect to pay **$30 $80** depending on the source (OEM parts are typically at the higher end, while premium aftermarket options may be slightly cheaper).
**Timing:** Replace the boot **proactively** if it shows signs of cracking, brittleness, or leaks, rather than waiting for it to fail completely. This is especially important if you frequently ride in dusty or off-road conditions.
**Final Note:** A well-maintained intake system contributes significantly to the longevity and performance of your GRIZZLY 700. This replacement is a **smart investment** in your ATV s health.
Details:
GRIZZLY 700 YFM7FG 2007 -2014. K L Supply Carburetor Intake Manifold. OE Reference# 3B4-13586-00-00. Sold EACH - Made In Japan.
Sits in between the carburetor and cylinder. The product must be unused, in re-sellable condition and include all original packaging and/or tags. Fits the following YAMAHAS. Brand New - As Shown In Photo.
part #: 113649 prices
- $52.45-$154.17
specifications atvhosesfilters:
- for models: 700, Grizzly
- for makes: Yamaha
- for years: 2007-2015
- brand: K-l Supply
- mpn: 11-3649
- part type: Intake Carburetor Manifold Boot
- fits: Atv
- country of manufacture: Japan
seller atvhosesfilters:
- rating: 99.9%
- city: San Diego, California
- # reviews: 221284
general atvhosesfilters:
- ATV, Side-by-Side UTV Parts Accessories > Air Intake Fuel Delivery > Air Hoses, Lines Pipes
- condition: New
offer atvhosesfilters:
- started: April 9, 2026
- availability: In Stock
- quantity: 1
- options: Ship-to-home
- sold: 0
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- policy: Returns Accepted
- paid by: Seller
- time: 30 Days
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- cost: $0.00
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- type: Calculated
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