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Intake Manifold Boot for Yamaha WR450F (2007-2011) YZ450F (2006-2009)
Intake Manifold Boot for Yamaha WR450F (2007-2011) YZ450F (2006-2009)
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Product Overview
Maintain the explosive power of your 450cc engine with this high-performance Carburetor Intake Manifold Adapter Boot. Specifically engineered for the Yamaha WR and YZ series, this boot is the critical link that ensures a 100% airtight seal between your carburetor and the cylinder head. Built to withstand the extreme heat and intense vibrations of professional motocross racing, this replacement part eliminates air leaks that cause "popping" on deceleration and sluggish throttle response, keeping your bike in championship-ready condition.
Product Compatibility
Direct replacement for Yamaha high-performance 4-stroke 450cc engines. Please verify your model and year before ordering.
| Brand | Model | Fitment Years | Special Editions |
| Yamaha | YZ450F | 2006 – 2009 | 50th Anniversary Edition |
| Yamaha | WR450F | 2007 – 2011 | All Variants |
| Yamaha | YZ450FSP | 2006 | Special Edition |
| Yamaha | YZ450FX | Check Years | Performance Off-Road |
Specifications
| Feature | Detail |
| Material | High-Grade Fluoroelastomer (FKM) / Nitrile Rubber |
| Base Material | Lightweight Anti-Corrosion Alloy |
| Temperature Range | -40°C to 150°C |
| Function | Carburetor to Engine Intake Sealing |
| Engine Type | 4-Stroke 450cc (Liquid Cooled) |
Key Features
- Racing-Grade Durability: Manufactured from premium materials with exceptional high-temperature resistance and anti-aging properties to prevent hardening or cracking under extreme racing conditions.
- Leak-Proof Power Delivery: Ensures a perfect vacuum seal between the carburetor and engine, preventing air leaks to maximize fuel efficiency and engine horsepower.
- Environmental Adaptability: Features excellent resistance to oil, gasoline, and environmental factors, ensuring stable performance over a long service life.
- Precise OEM Match: Designed to mirror original factory dimensions for a seamless "plug-and-play" installation without the need for modifications or complex tools.
- Anti-Interference Design: Optimized internal bore structure reduces intake turbulence, providing the engine with a smoother, cleaner air-fuel flow for snappier throttle response.
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Fitment FAQ
Will this part fit my specific model and year?
This intake manifold is intended for Direct replacement for Yamaha high-performance 4-stroke 450cc engines. Please verify your model and year before ordering.; Fitment Years; Special Editions; Yamaha; YZ450F; 2006 – 2009; 50th Anniversary Edition. Listed year information includes 2007–2011, 2006–2009, 2007, 2011, 2006. It is best matched to original part number(s) 2007-2011, 2006-2009. Key physical/spec details from the product data include 450cc. Use the compatibility table and product photos together before ordering.
Do I need to match the OEM part number?
Yes. Match your original part number to 2007-2011, 2006-2009 before purchase. For this intake manifold, also compare the bolt spacing, intake port shape, carb-side inner diameter, vacuum nipple position, and gasket shape. This is especially important for Yamaha WR450F/YZ450F models because similar model names can use different parts by year or trim.
What models or situations does this part not fit?
Do not order this intake manifold for machines outside the listed compatibility, or for units with different port shapes, bolt spacing, carb-side diameter, or vacuum nipple locations. If your original part number does not cross-reference with 2007-2011, 2006-2009, treat the fitment as unconfirmed. Model years outside 2007–2011, 2006–2009, 2007, 2011, 2006 should be verified separately. Do not rely only on the model name or engine size.
What should I check before ordering?
Before ordering, compare your original part with the photos and check the bolt spacing, intake port shape, carb-side inner diameter, vacuum nipple position, and gasket shape. Confirm OEM/cross-reference number(s): 2007-2011, 2006-2009. Recheck listed specs such as 450cc. If any connector, mounting point, size, or year detail is different, confirm fitment before installation.