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Intake Manifold Boot for Yamaha SR400 SR500 SR500SP 48T
Intake Manifold Boot for Yamaha SR400 SR500 SR500SP 48T
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Product Overview
Maintain the classic performance of your vintage Yamaha with this high-quality Intake Manifold Pipe. Designed specifically for the SR400 and SR500 series (including the 48T variant), this component acts as the critical bridge between your carburetor and engine. Over years of use, original boots can develop hairline cracks that cause air leaks and poor running conditions. Our replacement boot restores a perfect vacuum seal, ensuring your engine gets the precise air-fuel mixture it needs for a smooth, reliable ride.
Product Compatibility
Direct replacement for Yamaha SR series 400cc and 500cc single-cylinder engines. Optimized for models with the 48T engine code.
| Brand | Model | Fitment Details | Compatible Codes |
| Yamaha | SR400 | All Classic Generations | 48T / 1JR / 3HT |
| Yamaha | SR500 | 1978 – 1999 | 48T / 2J4 / 1JN |
| Yamaha | SR500SP | Special Edition Variants | 48T |
| Yamaha | SR500G | All Variants | 48T |
Specifications
| Feature | Detail |
| Material | Premium Oil-Resistant Synthetic Rubber |
| Base Material | Corrosion-Resistant Metal Alloy |
| Engine Type | 4-Stroke Single Cylinder (Air Cooled) |
| Color | Matte Black |
| Compatibility | Replacement for OEM standard 48T series |
Key Features
- Precision 48T Compatibility: Specifically engineered for the Yamaha 48T engine series, ensuring a perfect bolt-on fit for SR400 and SR500 models.
- Streamlined Airflow Design: The smooth internal bore reduces intake turbulence, providing a direct and efficient path for the fuel mixture to improve engine response.
- High-Grade Thermal Resistance: Constructed from advanced rubber compounds that resist cracking and hardening even under the constant heat of an air-cooled engine.
- Lightweight & Durable: The optimized lightweight design reduces stress on the carburetor mounting points while maintaining maximum structural integrity.
- Strict Quality Testing: Every unit undergoes rigorous pressure testing to ensure a leak-proof seal under various driving conditions, from city commuting to long-distance touring.
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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 SR series 400cc and 500cc single-cylinder engines. Optimized for models with the 48T engine code.. Listed year information includes 1978–1999, 1978, 1999. Key physical/spec details from the product data include 48T, 400cc, 500cc. Use the compatibility table and product photos together before ordering.
Do I need to match the OEM part number?
Yes. If your original part has a stamped OEM or manufacturer number, match that number first before ordering. 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 SR400/SR500 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. Model years outside 1978–1999, 1978, 1999 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. Recheck listed specs such as 48T, 400cc, 500cc. If any connector, mounting point, size, or year detail is different, confirm fitment before installation.