Enjoy Worldwide Free Shipping on Every Order. No Hidden Fees, No Minimum Quantity, and No Minimum Purchase Required
Yamaha XV750 / XV1100 Virago Carburetor Diaphragm Assembly 3CF-14940-00
Yamaha XV750 / XV1100 Virago Carburetor Diaphragm Assembly 3CF-14940-00
Low stock: 2 left
Couldn't load pickup availability
Product Description
Genuine factory-original vacuum slide rubber diaphragm assembly for Constant Velocity (CV) carburetors. This flexible rubber diaphragm directly attaches to the throttle slide, lifting the main jet needle as engine intake vacuum increases to maintain correct air-fuel mixture across the RPM range.
Vehicle Compatibility
Standard factory fitment for mid-to-late generation Yamaha Virago V-twin cruisers:
| Make | Model | Model Year Range | Application |
| Yamaha | XV750 Virago | 1988–1997 | Carburetor Vacuum Diaphragm |
| Yamaha | XV1100 / XV1100S Virago | 1988–1999 | Carburetor Vacuum Diaphragm |
| Yamaha | XV250 Virago / Route 66 | Select Years | Carburetor Vacuum Diaphragm |
Fitment Details
Remove the top chrome/plastic vacuum chamber caps from the carburetors to access the diaphragm assembly. Handle the thin rubber membrane carefully during installation to prevent pinholes or tears, and ensure the outer rubber bead seats completely into the groove along the top rim of the carb body before tightening the cap screws.
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
-
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
-
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.
-
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."
-
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.
