Yamaha / MBK Genuine Aerox 50 Crankcase Cover 2 3VL-E5421-10
Yamaha / MBK Genuine Aerox 50 Crankcase Cover 2 3VL-E5421-10
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Product Description
Yamaha Genuine factory engine crankcase cover (COVER, CRANKCASE 2). Cast aluminum engine cover stamped internally with "MADE IN ITALY" for Yamaha / MBK European production models. Protects the internal flywheel generator and transmission reduction gearing on Minarelli 50cc 2-stroke liquid-cooled and air-cooled scooter engines. Manufactured in France/Italy under strict Yamaha OEM specifications.
Vehicle Compatibility
Verified fitment for European Minarelli 50cc 2-stroke scooter platforms:
| Make | Model | Chassis / Engine Variant | Model Years |
| Yamaha | Aerox 50 / YQ50 | 49cc 2-Stroke Minarelli LC (5BR / 5KF Series) | 1997–2012 |
| MBK | Nitro 50 | 49cc 2-Stroke Minarelli LC (5BR Series) | 1997–2012 |
| Yamaha | Jog R / Jog RR (CS50 / CS50Z) | 49cc 2-Stroke AC & LC (5RW / 3D4 Series) | 2002–2015 |
| Yamaha | Mach G 50 (CS50) | 49cc 2-Stroke AC & LC (5RW / 3D4 Series) | 2002–2015 |
| Yamaha | Slider 50 / EW50 | 49cc 2-Stroke Air-Cooled (5LH Series) | 2000–2010 |
Fitment & Technical Details
Direct factory OEM replacement crankcase cover. Installs onto the left/rear engine crankcase mating surface using original dowel pins and gasket. Inspect mating surfaces and ensure a fresh gasket (5AD-E5451-00 / 3VL-E5461-00) is installed to prevent crankcase oil leaks.
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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