HONDA Head Cover Gasket 12391-MM5-000

( Manufacturer Part Number: 12391MM5000 ), ( Part Type: Cover Gasket Head ), ( Compatible Make: See Description, Honda ), ( Machine Type: Street Motorcycle ), ( Universal Fitment: No ), ( Vintage Part: Yes ), ( Compatible Year: See Description, 1988 ), ( Country Of Origin: Japan )

Review HONDA Head Cover Gasket fits CBR1000F 1988

The **Honda 12391-MM5-000 Head Cover Gasket** is a precision-engineered replacement part designed specifically for the **1988 Honda CBR1000F**, ensuring a perfect fit and optimal performance for this iconic sport-touring motorcycle. Crafted from high-quality rubber compounds, this gasket is meticulously formulated to withstand the extreme temperatures and pressures generated within the engine bay, providing a reliable seal that prevents oil leaks, coolant contamination, and compression loss critical factors for maintaining engine integrity and longevity. The gasket features a **multi-layered construction**, incorporating durable reinforcement materials to enhance durability and resilience against vibration, thermal cycling, and mechanical stress, which are common challenges in high-performance applications. Its **precision-cut design** aligns seamlessly with the corresponding surfaces on the **1988 CBR1000F s head cover**, eliminating gaps that could lead to leaks or improper sealing. Whether addressing a routine maintenance procedure or repairing a worn-out gasket, this part is engineered to restore factory-level performance, ensuring smooth operation of the **4-cylinder, liquid-cooled, DOHC engine** that powers the CBR1000F. Installing the **12391-MM5-000** gasket is a straightforward process, but it requires careful attention to torque specifications and surface preparation to guarantee a leak-free installation. As a genuine Honda replacement part, it adheres to the manufacturer s exacting standards, offering the confidence of original equipment quality while extending the lifespan of your motorcycle s critical components.

### Pros and Cons of buying a Honda 12391-MM5-000 Head Cover Gasket (1988 CBR1000F)

1. **OEM Quality** This is a genuine Honda part, meaning it is designed to meet the exact specifications of your 1988 CBR1000F. OEM components are typically built to last and maintain the performance and reliability of the original equipment.

2. **Reliability** Honda is known for producing durable parts, and a head cover gasket from their original line ensures a tight seal, preventing oil leaks and maintaining proper engine compression.

3. **Compatibility** Since this is a direct-fit part for the 1989-1993 CBR1000F (the 12391-MM5-000 is often used for this model range), there s no risk of sizing issues or installation complications.

4. **Aftermarket Support** If you need additional parts or services, Honda dealerships and many aftermarket shops will recognize this as a legitimate OEM component, making repairs or replacements easier.

5. **Long-Term Durability** A properly installed head cover gasket can last the life of the engine if maintained correctly, reducing the need for frequent replacements.

6. **Prevents Engine Damage** A failing head cover gasket can lead to oil leaks, which may contaminate the engine oil and cause internal damage. Replacing it proactively avoids costly repairs.

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1. **Cost** OEM parts are generally more expensive than aftermarket alternatives. While this ensures quality, it may be a significant investment if you re on a tight budget.

2. **Limited Availability** Depending on your location, genuine Honda parts may not always be readily available in local stores. You might need to order online, which could involve shipping delays.

3. **Installation Complexity** Replacing a head cover gasket requires removing the head cover, which involves disconnecting components like the throttle cable, sensors, and possibly the camshaft cover. If you re not experienced with motorcycle maintenance, this job may require professional help, adding to the cost.

4. **Potential for Counterfeit Parts** If purchasing from an untrusted seller (especially online), there s a risk of receiving a counterfeit or low-quality part that doesn t meet Honda s standards. Always buy from reputable dealers or authorized sellers.

5. **Time-Consuming** The installation process can take several hours, especially for a beginner. If you re planning to do it yourself, factor in the time required for careful removal and reinstallation.

6. **Waste if Not Needed** If your head cover gasket is still in good condition, replacing it unnecessarily means spending money on a part that isn t required.

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The **Honda 12391-MM5-000 head cover gasket** is a high-quality, reliable part that ensures proper sealing and longevity for your 1988 CBR1000F. It is the best choice if you prioritize **durability, compatibility, and peace of mind** knowing you re using a genuine component. However, the **higher cost, potential installation challenges, and availability issues** may make it less ideal if you re working with a limited budget or lack mechanical experience.

If your current gasket is failing (visible oil leaks, cracks, or difficulty removing the head cover), replacing it with this OEM part is a **strong recommendation**. If your gasket is still functional but you re considering a preventive replacement, weigh the cost against the potential long-term benefits.

For those on a budget, **aftermarket gaskets** (from brands like Fel-Pro, ATE, or Gasket) can be a cost-effective alternative, though they may not always match the exact fit or longevity of an OEM part. Always ensure the aftermarket gasket is specifically rated for your CBR1000F model.

- **Buy the Honda 12391-MM5-000 gasket** if you need a reliable, long-lasting replacement and can afford the cost.

- **Consider an aftermarket option** if you re replacing it proactively and want to save money, but verify the gasket s compatibility and quality.

- **Have the installation done professionally** if you re unsure about handling the job yourself to avoid mistakes that could lead to further damage.

Details:

Fits 1987 - 1988 Honda CBR1000F Hurricane, 1990 1996 CBR1000F, and 1994 1995 CB1000 model's. Used OEM Honda motorcycle parts shipped worldwide from Chicago height , IL by Midwest Moto Parts.

part #: 12391mm5000 prices

• $10.00-$146.00

specifications cyclevintagee:

• for models: Cbr1000f
• for makes: Honda
• mpn: 12391mm5000
• part type: Cover Gasket Head
• compatible make: See Description, Honda
• machine type: Street Motorcycle
• universal fitment: No
• vintage part: Yes
• compatible year: See Description, 1988
• country of origin: Japan

shipping cyclevintagee:

• type: Fixed
• cost: $10.00
• service: Economy
• class: Economy
• transit: 4-6 Days

seller cyclevintagee:

• city: Chicago height, Illinois
• # reviews: 11525
• rating: 99.3%

offer cyclevintagee:

• options: Ship-to-home
• sold: 0
• quantity: 1
• availability: In Stock
• started: May 24, 2026

general cyclevintagee:

• Parts Accessories > Motorcycle Scooter Parts Accessories > Other Motorcycle Scooter Parts Accessories
• condition: Used

payments cyclevintagee:

• credit card: Mastercard
• wallet: Apple-pay
• other

returns cyclevintagee:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days

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