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Honda CR125R Cylinder Base Gasket - 12191-KZ4-620
Honda CR125R Cylinder Base Gasket - 12191-KZ4-620
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This item is a factory-original cylinder base gasket for the Honda CR125R, identified by part number 12191-KZ4-620. Its purpose is to create a secure, high-pressure seal between the engine crankcase and the cylinder block. This component is essential for maintaining proper compression levels in your two-stroke engine and serves as an updated or compatible replacement for previous iterations, including part number 12191-KZ4-306.
Vehicle Compatibility & Year Fitment
| Model | Compatible Years |
| Honda CR125R | 1990–1997 |
Technical Note: This gasket is specifically engineered for the liquid-cooled CR125R engine architecture found throughout the mid-90s.
Fitment & Installation Details
When conducting a top-end refresh, this base gasket must be replaced to guarantee a perfect seal. Start by meticulously scraping away any remnants of the old gasket from the cylinder and crankcase mating surfaces to ensure the area is perfectly smooth and clean. Do not apply liquid gasket makers or silicone sealants to this part; it is meant to be installed dry to maintain its specified thickness and sealing properties. After positioning the cylinder, torque the base nuts according to the manufacturer's specified pattern and values to achieve balanced pressure and avoid potential leaks or warping.
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.
