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Intake Manifold Boot Joint for Yamaha XS750 & XS850 | OEM 2F3-13586-01
Intake Manifold Boot Joint for Yamaha XS750 & XS850 | OEM 2F3-13586-01
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Product Overview
Restore the smooth, powerful delivery of your vintage Yamaha Triple with this high-quality Carburetor Intake Manifold Boot. Specifically designed for the XS750 and XS850 series, this joint is a direct replacement for OEM part #2F3-13586-01. On these classic three-cylinder engines, air leaks at the intake are a common cause of erratic idling and poor synchronization. This durable, precision-molded boot provides a perfect airtight seal, ensuring each cylinder receives the exact air-fuel mixture needed for optimal performance and long-term reliability.
Product Compatibility
Direct replacement for Yamaha 750cc and 850cc 3-cylinder engines. Please verify your model and year.
| Brand | Model | Fitment Years | Replaces OEM Part # |
| Yamaha | XS750 | 1977 – 1979 | 2F3-13586-01 |
| Yamaha | XS850 | 1980 – 1981 | 2F3-13586-01 |
| Yamaha | XS850SH | 1981 | 2F3-13586-01 |
Specifications
| Feature | Detail |
| OEM Reference | 2F3-13586-01-00 |
| Material | High-Grade Aging-Resistant Rubber & Alloy Flange |
| Properties | Lightweight, Anti-Rust, Colorfast, and Durable |
| Quantity | Sold Individually (Check your vehicle's requirement) |
| Fitment Type | Direct Bolt-on Factory Fit |
Key Features
- Precision Engineering: Perfectly connects the carburetor to the engine cylinder head, restoring the essential vacuum seal required for stable operation and "new engine" power delivery.
- Premium Material Quality: Manufactured from high-quality rubber and alloy materials that are lightweight yet incredibly sturdy. The anti-rust and colorfast finish ensures it stands up to heat and road grime over time.
- Solves "Lean Run" Issues: Effectively eliminates vacuum leaks that cause the engine to run too lean—fixing common symptoms like hanging idle, backfiring, and hard starting.
- Optimized for Triples: Designed to handle the unique thermal cycles and vibrations of Yamaha’s legendary 3-cylinder powerplants, preventing the cracking associated with old or low-quality boots.
- Hassle-Free Installation: Precisely matches factory specifications for a straightforward installation, allowing you to get your classic XS back on the road quickly.
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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 750cc and 850cc 3-cylinder engines. Please verify your model and year.; Fitment Years; Replaces OEM Part #; Yamaha; XS750; 1977 – 1979; 2F3-13586-01. Listed year information includes 1977–1979, 1980–1981, 1977, 1979, 1980. It is best matched to original part number(s) 2F3-13586-01, 3-CYLINDER, 2F3-13586-01-00. Key physical/spec details from the product data include 750cc, 850cc. 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 2F3-13586-01, 3-CYLINDER, 2F3-13586-01-00 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 XS750/XS850 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 2F3-13586-01, 3-CYLINDER, 2F3-13586-01-00, treat the fitment as unconfirmed. Model years outside 1977–1979, 1980–1981, 1977, 1979, 1980 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): 2F3-13586-01, 3-CYLINDER, 2F3-13586-01-00. Recheck listed specs such as 750cc, 850cc. If any connector, mounting point, size, or year detail is different, confirm fitment before installation.