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Genuine Yamaha IT250 / FS1 Fuel Petcock Filter Cup 4X8-24521-00
Genuine Yamaha IT250 / FS1 Fuel Petcock Filter Cup 4X8-24521-00
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Product Description
This genuine Yamaha factory-original fuel filter cup (sediment bowl) is designed to mount onto the bottom of the fuel petcock assembly. It acts as a settling chamber, catching heavier-than-fuel debris, sediment, and water before they can enter the carburetor jets. Made from durable, fuel-resistant polymer materials to OEM specifications, this cup ensures a reliable seal under constant exposure to modern fuels, helping prevent carburetor clogging and engine hesitation.
Vehicle Compatibility
| Make | Model Range | Application |
| Yamaha | IT175 / IT250 / IT465 / IT490 (1981–1984) | Fuel Tank Petcock / Cock |
| Yamaha | FS1 / FS1E / FS1-E DX (1T2 Series / Later Models) | Fuel Tank Petcock / Cock |
| Yamaha | Chappy (LB50 / LB80 / LB50-2AM / 3WH1) | Fuel Tank Petcock / Cock |
| Yamaha | RXS100 / RXS115 | Fuel Tank Petcock / Cock |
Note: This specific plastic petcock bowl was standard across many of Yamaha’s iconic 1980s 2-stroke enduro lines (IT series), classic street mopeds (FS1 & Chappy), and regional light-displacement models. Always verify your petcock body configuration before ordering to ensure the thread pattern matches.
Fitment Details
This is a direct OEM replacement. When servicing or replacing the cup, thoroughly clean the internal petcock threads and inspect the internal mesh screen (typically fuel filter net 4X8-24515-01). To prevent fuel leaks and fire hazards, always replace the sealing gasket (O-Ring / Gasket part 4X8-24565-00) when reinstalling the cup. Thread the cup on by hand first to avoid cross-threading the aluminum threads of the petcock body, and tighten securely but do not over-torque to avoid splitting the gasket or cracking the bowl.
Important: Please ensure the part number matches your motorbike before purchasing. If you have any questions about the part or its compatibility, feel free to contact us. We’re here to help!
At Dmmotorcycles, we’ve specialized in vintage and vintage sports motorcycles and parts directly from Japan since 1998. We stock a wide selection of rare genuine and high-quality aftermarket parts and continually update our inventory to meet growing demand.
Looking for a specific part? Don’t hesitate to ask! We may have it in stock even if it’s not listed online. If not, we’ll do our best to source it for you.
We’re also happy to provide guidance on installation and offer excellent after-sales support to ensure your satisfaction.
Shipping Information
We ship worldwide, carefully inspecting and securely packing all parts to ensure safe delivery. Your order will be insured and shipped quickly, with the best available shipping option chosen for speed and reliability.
Please note:
- All parts are shipped from Cyprus (Europe).
- Customers outside the EU may incur additional import taxes based on the value of the item.

How we handle your order in 4 steps
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1. Order Verification
We confirm the order and make sure the correct part number, quantity, and any special requests match what’s on the sales confirmation
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2. Quality Check
Since our parts are new old stock we Inspect the parts for any defects, scratches, or missing components to ensure it meets quality standards. otherwise will notify you before proceeding with the order.
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3. Safe and Secure packaging
- Protective Wrapping: We use bubble wrap or foam padding to wrap the part, focusing on sharp edges or delicate components.
- Boxing: We place the wrapped part inside a sturdy box, filling gaps with packing materials to prevent movement.
- Sealing and Labeling: Securely tape the box and attach the shipping label, including orientation-specific markers like "Fragile."
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4. Finalizing of Shipment
We confirm the shipping address and contact details, give the package to the Post, keep the tracking number, and then send it to the customer along with the shipment notification.