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Honda Genuine NSR250R Cylinder Head Gasket 12251-KV3-830

Honda Genuine NSR250R Cylinder Head Gasket 12251-KV3-830

Regular price $33.00 USD
Regular price Sale price $33.00 USD
Sale Sold out

Low stock: 1 left

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Honda Genuine OEM

Product Description

Honda Genuine factory multi-layer metallic cylinder head gasket (GASKET, CYLINDER HEAD). Engineered specifically for Honda's legendary 90° V-twin 250cc two-stroke sportbike series (KV3 model code) to maintain optimal compression seal and coolant passage isolation under high thermal loads and high-rpm operation. Manufactured in Japan to original Honda OEM factory tolerances.

Vehicle Compatibility

Verified fitment for Honda 250cc 2-stroke V-Twin platforms:

Make Model Chassis / Engine Variant Model Years
Honda NSR250R / R SE / R SP 249cc 2-Stroke 90° V-Twin (MC18 Platform) 1988–1989
Honda NSR250R / R SE / R SP 249cc 2-Stroke 90° V-Twin (MC21 Platform) 1990–1993
Honda NSR250R / R SE / R SP 249cc 2-Stroke 90° V-Twin (MC28 Platform) 1994–1999

(Note: Requires 2 gaskets per engine—one per cylinder).

Fitment & Technical Details

Direct OEM factory replacement cylinder head gasket. Ensure cylinder head and cylinder deck mating surfaces are meticulously cleaned, flat, and free of old gasket residue or oil prior to installation. Install dry without additional chemical sealants to maintain accurate squish clearance and proper compression sealing. Torque cylinder head nuts in a cross pattern to factory torque specification.


Important: Please ensure the part number matches your motorbike before purchasing. If you have any questions about the sticker 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.
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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

  • 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.

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