Piaggio Genuine Beverly Drive Belt Damping Pulley 834304
Piaggio Genuine Beverly Drive Belt Damping Pulley 834304
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Product Description
This is a genuine Piaggio factory drive belt damping pulley (often referred to as the fixed half-pulley or outer driving sheave assembly). Engineered specifically for high-torque 400cc and 500cc engines, it features integrated rubber damping elements designed to absorb primary drivetrain shock loads, reduce belt wear, and smooth out high-frequency vibrations under acceleration and deceleration. Built to exact factory metallurgy and balance tolerances.
Vehicle Compatibility
Engineered explicitly for the Piaggio Master 400cc and 500cc 4-stroke liquid-cooled engine platform.
Verified catalog fitment layout:
| Make | Model Family | Engine Type / Displacement | Model Years |
| Piaggio | Beverly 400 / 500 (Tourer / RST / IE) | 400cc, 500cc (Master Engine) | 2001–2012 |
| Piaggio | X8 400 / X9 400 / X9 Evolution 500 | 400cc, 500cc (Master Engine) | 2003–2012 |
| Piaggio | X-Evo 400 / MP3 400 / MP3 500 | 400cc, 500cc (Master Engine) | 2006–2016 |
| Gilera | Nexus 500 / Nexus 500 SP / Fuoco 500 | 500cc (Master Engine) | 2003–2014 |
| Aprilia | Atlantic 400 / 500 / Scarabeo 400 / 500 | 400cc, 500cc (Master Engine) | 2003–2012 |
Fitment & Technical Details
Direct OEM replacement component. Servicing requires removing the transmission CVT side cover, locking the secondary or primary drive assembly with a specialized holding tool, and removing the retaining nut. Inspect the internal damping blocks, splines, and belt contact faces for abnormal wear or scoring. Torque the pulley retaining nut strictly to factory specifications using a calibrated torque wrench and appropriate threadlocker where specified by the workshop manual.
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
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