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Honda NSR250R Engine center Gasket - 061A0-KV3-407
Honda NSR250R Engine center Gasket - 061A0-KV3-407
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This is the genuine Honda main crankcase center gasket (often associated with the 061A0-KV3-407 service set). It is the critical, large-format seal that sits between the two halves of the NSR250R engine crankcase, ensuring the integrity of the primary compression chambers and transmission housing.
Vehicle Compatibility & Year Fitment
| Model | Compatible Years |
| Honda NSR250R (MC21) | 1990–1993 |
| Honda NSR250R (MC28) | 1994–1999 |
Technical Note: This is the large "center-split" gasket. Because the NSR250 is a V-twin two-stroke, this gasket is shaped to maintain the specific crankcase volume required for proper engine performance.
4. Fitment & Installation Details
This gasket is the backbone of the NSR250 engine rebuild. Because the two-stroke crankcase relies on primary compression to pull the air-fuel mixture into the cylinders, even the smallest gap or tear in this gasket will result in an engine that runs erratically or suffers from a total loss of power. When you split the crankcases, ensure you clean every trace of the old gasket material from both mating surfaces—if you leave even a tiny bit of the old seal behind, the new one will not sit flush, and you will have a leak. Do not use excessive liquid gasket or RTV on this part; use only the lightest possible film of a non-hardening sealant (like Yamabond or ThreeBond) to ensure the surfaces are perfectly mated without blocking any of the oil feed galleries.
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.
