YAMAHA 67F-11191-01-1S Cylinder Head Valve Cover 80/100

( Manufacturer Part Number: 67F-11191-01-1S ), ( Part Type: Valve Cover Hp Cylinder Head ), ( Country Of Origin: Japan )

Review YAMAHA 80/100 Hp Oem Cylinder Head Valve Cover fits 1999–2001

The **Yamaha 67F-11191-01-1S 80/100 Horsepower Cylinder Head Valve Cover** is a precision-engineered component designed exclusively for Yamaha s **1999 2001 model year 80/100 HP outboard motors**, including the popular **F90, F115, and F150 series**. Crafted from high-quality **cast aluminum**, this valve cover is not only lightweight yet durable but also engineered to maintain optimal engine performance while ensuring a sleek, professional finish. The cover features a **perfectly machined surface** with a **smooth, glossy finish**, allowing for easy installation and a polished aesthetic that complements the engine s overall build quality. Its **tight-fitting design** ensures a secure seal, preventing oil leaks and contaminants from entering the cylinder head, which is critical for long-term engine reliability. The valve cover is equipped with **precision-molded gaskets** that provide an airtight barrier, reducing friction and heat buildup while maintaining optimal compression. This component is a direct-fit replacement, meaning no modifications are required, making it an ideal choice for both professional mechanics and DIY enthusiasts seeking a hassle-free upgrade. Whether restoring a classic Yamaha outboard or performing routine maintenance, this valve cover delivers **superior performance, durability, and compatibility**, ensuring your engine runs at peak efficiency for years to come.

### **Pros and Cons of buying a Yamaha 67F-11191-01-1S (80/100 HP) Cylinder Head & Valve Cover (1999 2001 Models)**

1. **Direct OEM Fitment** This part is manufactured by Yamaha as an original equipment replacement, ensuring compatibility with 1999 2001 models of the Yamaha 67F series (likely the FZR600 or FZR750, depending on engine displacement). It should align perfectly without modifications.

2. **High-Quality Materials** Yamaha parts are generally built to last, with durable gaskets, seals, and cast components designed for long-term use. This reduces the risk of premature failure compared to aftermarket knockoffs.

3. **Reliability** Since this is a genuine Yamaha part, it adheres to the manufacturer s engineering standards, which are known for performance and longevity in their motorcycles. This minimizes the chance of leaks or misalignment issues.

4. **Ease of Installation** Being an OEM part, it should fit without requiring extensive machining or adjustments, assuming the engine block and other components are in good condition. Installation typically involves removing the old cover, cleaning surfaces, applying gasket maker, and securing bolts to spec.

5. **Warranty Coverage** If purchased from an authorized Yamaha dealer or a reputable seller, this part may come with a warranty, providing peace of mind against defects in materials or workmanship.

6. **Compatibility with Upgrades** If you plan to modify your engine (e.g., porting, camshaft upgrades, or forced induction), a fresh OEM cylinder head and valve cover can serve as a clean base for these modifications, reducing the risk of warping or stress cracks.

7. **Resale Value** Keeping the bike stock or restoring it to factory condition with OEM parts can preserve its value, especially if you plan to sell it later.

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1. **Higher Cost** OEM Yamaha parts are typically more expensive than aftermarket alternatives. The price may be prohibitive for budget-conscious buyers, especially if the part is only needed for cosmetic or minor functional reasons.

2. **Limited Availability** Genuine Yamaha parts can be harder to find than aftermarket options, particularly for older models. You may need to order from a specialty dealer, which could involve longer wait times or shipping costs.

3. **Potential for Overkill** If the cylinder head or valve cover is only damaged superficially (e.g., minor cracks, worn gaskets), an OEM replacement might be unnecessary. In such cases, a refurbished or aftermarket part could suffice at a lower cost.

4. **No Performance Gains** Unlike aftermarket parts (e.g., forged valve springs, high-flow heads), this OEM component will not improve engine performance. It s purely a replacement for worn or damaged parts.

5. **Risk of Counterfeit Parts** If purchasing from an untrusted seller (e.g., eBay, Facebook Marketplace, or unverified online stores), there s a risk of receiving a counterfeit or refurbished part that doesn t meet Yamaha s standards. Always verify the seller s reputation and part authenticity.

6. **Weight** Cast aluminum cylinder heads and valve covers are heavier than some aftermarket alternatives (e.g., lightweight titanium or magnesium parts). While this isn t a major concern for most riders, it may be a consideration for those prioritizing weight reduction.

7. **Potential for Hidden Issues** If the cylinder head or valve cover was damaged due to internal engine problems (e.g., overheating, detonation, or poor maintenance), replacing just the cover may not address the root cause. A full engine inspection is advisable before purchasing.

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The Yamaha 67F-11191-01-1S cylinder head and valve cover is an excellent choice if you prioritize **reliability, longevity, and direct OEM fitment** for your 1999 2001 Yamaha. It s ideal for riders who want to restore their bike to factory condition, avoid compatibility issues, or serve as a clean base for future modifications. However, the **higher cost and limited availability** make it less appealing for casual riders or those on a tight budget.

If your primary goal is **cosmetic restoration or minor functional repair**, an aftermarket or refurbished part may offer a cost-effective alternative without sacrificing quality. Conversely, if you re performing a **full engine rebuild or high-performance project**, investing in an OEM part is justified for durability and peace of mind.

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- You need a **direct replacement** for a failed or damaged component.

- You re restoring the bike to **stock condition** or preparing it for resale.

- You re performing a **comprehensive engine rebuild** and want to ensure compatibility with other OEM components.

- You have **verified the seller s authenticity** (e.g., authorized Yamaha dealer, trusted online retailer like RockAuto, or a reputable motorcycle parts shop).

- The part is only **cosmetically damaged** (e.g., minor cracks, worn gaskets).

- You re on a **tight budget** and can find a high-quality aftermarket part (e.g., from brands like **Moto-Max, Dynacast, or Replica**) that fits well.

- You re prioritizing **weight reduction** or **performance upgrades** (though these are not features of this specific part).

- **Inspect the engine** for signs of overheating, warping, or internal damage (e.g., cracked head studs, burnt valves). A fresh cylinder head may not fix underlying issues.

- **Check for refurbished or used OEM parts** some sellers offer these at a discount, though they may lack warranty coverage.

- **Compare prices** across multiple sellers (e.g., Yamaha dealers, RockAuto, eBay, local motorcycle shops) to ensure you re getting a fair deal.

- **Verify the part number** matches your exact model year and engine variant (e.g., 600cc vs. 750cc) to avoid mismatches.

Ultimately, the OEM part is the **safest and most reliable choice** for long-term use, but weigh the cost against your specific needs before committing.

Details:

It fits 80 HP and 100 motors from late 1999 - 2001. This is the cylinder head valve cover assembly from a 2001 Yamaha 100 HP 4-stroke outboard motor. Includes mounting bolts. 80/100 HP OEM Yamaha Cylinder Head Valve Cover 1999 - 2001 67F-11191-01-1S 00.

There are no cracks, defects or corrosion and it is in good working condition. It is Yamaha part #: 67F-11191-01-1S same as 67F-11191-00-1S. Shipping: Shipping is to continental USA.

part #: 67f11191011s prices

• $39.99-$74.95

specifications ouboaen:

• for makes: Yamaha
• for years: 1999-2001
• mpn: 67f-11191-01-1s
• part type: Valve Cover Hp Cylinder Head
• country of origin: Japan

seller ouboaen:

• # reviews: 1602
• city: Largo, Florida
• rating: 100.0%

shipping ouboaen:

• carrier: UPS
• transit: 3-7 Days
• cost: $17.50
• service: UPS Ground
• class: Standard
• type: Fixed

offer ouboaen:

• availability: In Stock
• sold: 0
• started: February 23, 2026
• options: Ship-to-home
• quantity: 1

returns ouboaen:

• policy: Returns Accepted
• paid by: Buyer
• time: 14 Days

payments ouboaen:

• cash
• other
• credit card: Discover
• wallet: Google-pay

general ouboaen:

• condition: Used
• Boat Parts > Outboard Engines Components > Powerhead Components

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