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Yamaha Genuine XV750 Virago Fuel Cock Valve Set 3H3-W0092-00
Yamaha Genuine XV750 Virago Fuel Cock Valve Set 3H3-W0092-00
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Product Description
Yamaha Genuine factory fuel petcock internal valve repair set (FUEL COCK VALVE SET). Engineered with fuel-resistant nitrile/fluororubber seals and high-tensile internal components, this original maintenance kit includes the vacuum control diaphragm, rubber selector disc/gasket, and internal seals to restore vacuum-operated automatic fuel shut-off function and eliminate external or internal fuel leaks on vintage Yamaha street models.
Vehicle Compatibility
Standard Genuine replacement fitment for Yamaha V-twin, four-cylinder, and parallel twin platforms:
| Make | Model | Chassis / Engine Variant | Model Years |
| Yamaha | XV750 Virago | 4U1 / 5E5 / 750cc V-Twin | 1981–1983 |
| Yamaha | XV920 Virago / XV920R | 5H1 / 10F / 920cc V-Twin | 1981–1983 |
| Yamaha | XJ750 Seca / Maxim | 45G / 5N8 / 15R / 750cc Inline-4 | 1981–1983 |
| Yamaha | XJ650 / XJ650 Maxim / Turbo | 4H7 / 15A / 5N8 / 650cc Inline-4 | 1980–1983 |
| Yamaha | XJ550 / XJ550 Maxim / Seca | 4U8 / 5K7 / 550cc Inline-4 | 1981–1983 |
Fitment & Technical Details
Installs directly inside the vacuum-operated factory fuel petcock body. Clean all internal varnish and debris from the petcock housing channels before installing new rubber valve components. Ensure the internal vacuum spring is seated squarely against the diaphragm backing plate during assembly to prevent vacuum leaks or unmetered fuel bypass.
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.