YAMAHA 90119-10MA2-00 Set Lower Unit Bolts B-8-7

( Manufacturer Part Number: 90119-10MA2-00 ), ( Part Type: Unit Bolt ), ( Warranty: 90 Day ), ( Country Of Origin: Japan )

Review YAMAHA Oem Set Of Lower Unit Bolts Pn# B-8-7

The **Yamaha 90119-10MA2-00 Set of Lower Unit Bolts (B-8-7)** is a precision-engineered component designed exclusively for Yamaha outboard motors, ensuring optimal performance, reliability, and longevity for marine applications. This high-quality bolt set is meticulously crafted from Yamaha s proprietary materials, combining superior corrosion resistance with exceptional mechanical strength to withstand the harshest marine environments, including saltwater exposure, extreme temperatures, and constant vibration. Each bolt in this set is precision-machined to exacting tolerances, guaranteeing a secure and leak-proof fit within the lower unit housing, which is critical for maintaining proper sealing and preventing oil leaks that could compromise engine efficiency or lead to costly repairs. The **B-8-7** designation indicates a specialized configuration tailored for specific Yamaha outboard models, ensuring compatibility with the motor s lower unit assembly, including the driveshaft housing and stern drive components. Whether used during routine maintenance, repairs, or upgrades, these bolts provide the necessary torque retention and durability to keep the lower unit operating smoothly, reducing wear on internal seals and bearings while enhancing overall power transfer to the propeller. Built to Yamaha s rigorous standards, this bolt set is a testament to the brand s commitment to performance and longevity, making it an essential replacement part for any marine enthusiast or professional seeking dependable, high-performance hardware for their Yamaha outboard.

**Pros and Cons of buying a Yamaha 90119-11MA2-00 Set (Lower Unit Bolts B-8-7)**

1. **Compatibility and Fit:** This part is specifically designed for Yamaha outboard motors, particularly those requiring the **B-8-7 lower unit bolts set**. It ensures a proper fit without the risk of misalignment or damage, which is critical for engine performance and safety.

2. **Quality and Durability:** Yamaha is known for manufacturing high-quality marine components. These bolts are likely made from corrosion-resistant materials (such as stainless steel or treated steel) to withstand saltwater exposure, reducing the risk of rust or failure over time.

3. **Prevents Leaks and Damage:** Loose or missing lower unit bolts can lead to oil leaks, reduced power output, or even catastrophic engine failure. Replacing them with the correct set ensures a secure seal and proper torque, maintaining engine integrity.

4. **Easy Installation:** The bolts are typically designed for straightforward replacement, requiring only basic tools (socket wrench, torque wrench, and possibly a gasket scraper). No major modifications are needed, making it a simple DIY-friendly repair.

5. **Cost-Effective:** Compared to the potential cost of engine damage or repairs from neglecting lower unit maintenance, replacing these bolts is a relatively inexpensive preventive measure. The price is often reasonable for a genuine Yamaha part.

6. **Warranty Coverage:** If purchased from an authorized Yamaha dealer or distributor, these bolts may come with a warranty, providing peace of mind against defects.

7. **Performance Maintenance:** Ensuring all bolts are properly tightened to the manufacturer s specifications helps maintain optimal engine performance, fuel efficiency, and longevity.

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1. **Limited Availability:** Depending on your location, genuine Yamaha parts may not be readily available at local marine supply stores. You might need to order online, which could involve shipping delays or additional costs.

2. **Price Compared to Aftermarket:** While high-quality, Yamaha parts can be more expensive than aftermarket alternatives. If you re on a tight budget, you may need to weigh the cost against perceived value.

3. **Torque Specifications Required:** Improper tightening (either too loose or too tight) can damage threads or the lower unit. This requires a torque wrench and knowledge of the correct specifications (often provided in Yamaha s service manual). DIYers unfamiliar with this process might struggle.

4. **Potential for Counterfeit Parts:** If purchasing from an untrusted seller (especially online), there s a risk of receiving counterfeit or substandard parts. Always buy from reputable dealers or authorized sellers to avoid this issue.

5. **Time-Consuming for Beginners:** While the job itself is simple, removing the lower unit and accessing the bolts may require some mechanical skill, especially if the motor hasn t been serviced in a while (e.g., dealing with rusted bolts or old gaskets).

6. **Additional Costs:** Beyond the bolt set, you may need to purchase a new gasket, sealant, or other consumables (e.g., thread locker) to ensure a proper seal, adding to the overall expense.

7. **Warranty Void Risk:** If your boat is under warranty, improper installation (e.g., overtightening or using incorrect tools) could void coverage for the engine or lower unit.

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The **Yamaha 90119-11MA2-00 lower unit bolt set (B-8-7)** is a **necessary and worthwhile investment** for maintaining the health and performance of your Yamaha outboard motor. The benefits such as preventing leaks, ensuring proper engine function, and avoiding costly repairs far outweigh the minor drawbacks, provided you purchase from a trusted source and follow installation guidelines carefully.

- Buying from an authorized dealer to ensure authenticity.

- Using a torque wrench and consulting Yamaha s service manual for correct tightening.

- Treating it as part of routine maintenance rather than a last-resort fix.

For most boat owners, the **recommendation is to proceed with purchasing this genuine Yamaha part**, especially if your motor is older or shows signs of wear. If you re unsure about installation, consulting a marine mechanic is a prudent step to avoid mistakes.

Buy the **Yamaha 90119-11MA2-00 bolt set** from an authorized dealer or a reputable online retailer (e.g., Yamaha s official site, MarineMax, or West Marine). Follow the manufacturer s torque specifications and maintenance guidelines to maximize the part s effectiveness and extend the life of your outboard. If in doubt about installation, seek professional assistance. This is a small but critical step in keeping your engine running reliably for years.

Details:

I do not sell junk. Guaranteed quality used parts or your money back. 90 DAY WARRANTY. I will add a note if there are any other known issues.

INVENTORY B-8-7. I will work with you to make sure are happy. Removed in good working condition. Parts may have knocks, dings, scratches and in some cases, light corrosion.

From there the cost is up to you. Ships free to the lower 48 of US. OEM YAMAHA SET OF 2 LOWER UNIT BOLTS PN# 90119-10MA2-00 B-8-7.

part #: 9011910ma200 prices

• $14.00-$15.00

specifications ouboaen:

• for makes: Yamaha
• mpn: 90119-10ma2-00
• part type: Unit Bolt
• warranty: 90 Day
• country of origin: Japan

returns ouboaen:

• paid by: Buyer
• policy: Returns Accepted
• time: 60 Days

payments ouboaen:

• other
• credit card: Visa
• wallet: Paypal

general ouboaen:

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

shipping ouboaen:

• cost: $0.00
• type: Fixed
• class: Standard
• carrier: USPS
• service: USPS Ground Advantage
• transit: 4-10 Days

seller ouboaen:

• city: Milton, Florida
• rating: 99.9%
• # reviews: 3773

offer ouboaen:

• availability: In Stock
• sold: 0
• quantity: 3
• best offers: True
• started: May 4, 2026
• options: Ship-to-home

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