Yamaha Genuine Fuel Cock Assembly 25L-24500-00
Yamaha Genuine Fuel Cock Assembly 25L-24500-00
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Item Description
Brand new official Yamaha factory fuel cock assembly designed for classic motorcycle fuel tanks. Precision-machined from fuel-resistant metal alloys with integrated internal valving, fine-mesh brass reserve screening, and a durable selector lever (On/Off/Reserve). Ensures reliable fuel flow regulation, positive sealing against leaks, and clean filtration to protect carburetors from sediment.
Vehicle Compatibility
Engineered explicitly for Yamaha classic two-stroke and four-stroke motorcycle platforms.
Verified catalog fitment layout:
| Make | Model Family | Engine Type / Displacement | Model Years |
| Yamaha | Classic Vintage Motorcycle & Enduro Models | Small-to-Mid Displacement (Single / Twin) | Vintage Era |
Fitment & Technical Details
Ensure the fuel tank is completely drained and safely removed from the motorcycle in a well-ventilated area free from sparks or open flames. Unscrew and remove the old fuel petcock from the tank mounting studs or threaded bung, taking care to discard the old sealing washer/o-ring and clear any residual sealant or debris from the tank mating surface. Install a new sealing gasket, align the 25L-24500-00 genuine fuel cock assembly with the reserve tube pointing correctly into the tank reservoir, and tighten the mounting nuts or center fixing bolt evenly to prevent fuel leakage. Reconnect the fuel lines securely using spring clamps.
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.
Contact DM Motorcycles
Having trouble finding the motorcycle part you need? we'll personally help you locate the right part and get you back on the road.
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