OMC 117 Cobra Lower Unit – Avoid Failures and Upgrade
Introduction
The OMC 117 Cobra (replaces OMC Cobra Sterndrive Lower Counter Rotation 1986-1993) is a high-performance replacement lower unit designed to meet the demands of boaters seeking reliability and efficiency. Engineered to seamlessly replace the original OMC Cobra lower counter-rotation drive, it ensures optimal performance in both recreational and professional boating environments. If you own an OMC Cobra model between 1986-1993, this part provides a direct-fit solution with improved durability and design enhancements. Boating enthusiasts appreciate this replacement for its robust build and smooth operation.
Boat owners understand the risk of lower unit failures caused by wear, corrosion, or improper maintenance. This product not only restores your boat’s propulsion system but also enhances longevity and reduces the chances of costly repairs. Installing the OMC 117 Cobra ensures your vessel stays water-ready at all times.
Overview / What Is OMC 117 Cobra?
The OMC 117 Cobra is a factory-quality replacement for the OMC Cobra sterndrive lower counter rotation unit, covering models from 1986 to 1993. It is engineered using advanced marine-grade materials to resist corrosion, withstand high torque, and deliver smooth power transfer to the propeller. This lower unit maintains the original gear ratio, ensuring compatibility with existing systems and props.
Unlike generic aftermarket units, the OMC 117 Cobra provides precise fitment and long-lasting reliability, making it the ideal solution for restoring lost performance or replacing a failed unit. Its counter-rotation feature is crucial for twin-engine configurations, allowing for better handling and steering stability.
Key Features of OMC 117 Cobra Lower Unit
- Exact replacement for OMC Cobra sterndrive lower units (1986-1993).
- Counter-rotation design for twin engine setups.
- Constructed with high-strength marine alloys and anti-corrosion coatings.
- OEM-matched gear ratios for seamless integration.
- Improved hydrodynamic design for better fuel efficiency.
Why Upgrade to OMC 117 Cobra Lower Unit?
Upgrading to the OMC 117 Cobra offers several advantages over repairing older lower units. Aging components can lead to repeated failures, affecting your boating experience. This replacement unit is built to modern standards, offering enhanced durability, improved hydrodynamics, and reduced drag.
Moreover, the counter-rotation feature is critical for twin-engine vessels, reducing prop torque and making navigation smoother. With the OMC 117 Cobra, boat owners enjoy peace of mind knowing their propulsion system is backed by high-quality engineering.
How to Install OMC 117 Cobra Lower Unit
Installing the OMC 117 Cobra is a straightforward process for experienced boat mechanics, but it can also be done by skilled DIY enthusiasts. Follow these steps:
- Ensure the boat is safely out of the water and supported.
- Remove the old lower unit carefully, disconnecting the shift linkage and drive shaft.
- Inspect the gaskets and seals before installation.
- Align the new OMC 117 Cobra unit and secure with proper torque specifications.
- Reconnect the shift linkage, fill with gear oil, and test the operation.
For optimal results, consult the manufacturer’s installation guide or have a professional marine mechanic handle the installation. For more information on compatible Yamaha accessories, visit Yamaha Outboards.
Maintenance Tips
Proper maintenance extends the lifespan of the OMC 117 Cobra lower unit. Regularly check and replace gear oil to prevent internal damage. Inspect seals and gaskets for leaks, as water intrusion can severely damage gears. After every boating season, flush the lower unit with fresh water to remove salt and debris.
Additionally, inspect the propeller shaft for fishing lines or debris, as these can damage seals. Lubricate moving parts periodically and avoid operating in shallow, debris-filled waters to reduce impact risks. With consistent care, your lower unit will deliver years of reliable service.
Performance Benefits of OMC 117 Cobra Replacement
The OMC 117 Cobra not only replaces your old lower unit but enhances performance. Its hydrodynamic housing reduces drag, increasing fuel efficiency and speed. The counter-rotation system improves control, making it ideal for precision maneuvering in tight marinas or during high-speed turns.
Users have reported smoother gear shifts, quieter operation, and better acceleration after upgrading to this unit. These benefits make it a worthwhile investment for anyone serious about their boat’s performance.
Expert Advice and Pro Recommendations
Marine experts recommend the OMC 117 Cobra lower unit because it balances cost, performance, and reliability. Unlike cheaper alternatives, it ensures consistent quality and OEM-level performance. Whether you’re a recreational boater or a commercial operator, this replacement unit will enhance your boating experience.
Buy now and ensure your boat remains in top condition: OMC 117 (Replaces Omc Cobra Sterndrive Lower Counter Rotation 1986-1993). Use code WELCOME5 to get 5% off your purchase today.
Common Troubleshooting Tips for OMC 117 Cobra
While the OMC 117 Cobra is designed for reliability, occasional issues can occur. Common problems include water intrusion, gear noise, or difficulty shifting. Most of these are preventable through proper installation and maintenance. Always use high-quality gear oil and ensure seals are intact.
If you notice abnormal vibrations, check for propeller damage or improper alignment. Gear grinding may indicate low oil levels or worn components. Addressing these issues early prevents costly damage and ensures smooth operation.
Cost and Durability of OMC 117 Cobra Lower Unit
The cost of the OMC 117 Cobra is justified by its superior build quality and long-term savings. Instead of repeatedly repairing an aging lower unit, this replacement offers a one-time investment with years of trouble-free performance. Its marine-grade materials resist corrosion, ensuring durability even in harsh saltwater environments.
Compared to OEM parts, this replacement offers equal or better performance at a more affordable price. Its proven track record among boat owners makes it one of the best options available for OMC Cobra drives.
Detailed FAQ Section
1. How does the OMC 117 Cobra improve boating performance?
The OMC 117 Cobra enhances boating performance by combining a durable build with hydrodynamic efficiency. It reduces drag, allowing boats to achieve higher speeds with less fuel consumption. The counter-rotation design improves handling, especially in twin-engine configurations, reducing torque steer and making maneuvering smoother. Additionally, this lower unit operates quietly, offering a better overall boating experience. Its OEM compatibility ensures that performance is not compromised, making it an upgrade that both protects and improves your vessel’s propulsion system.
2. Is it difficult to install the OMC 117 Cobra lower unit?
Installation is straightforward for experienced marine mechanics and skilled boat owners. The unit is designed as a direct replacement, which simplifies alignment and connection. Most installations can be completed within a few hours using standard tools. It’s important to follow the manufacturer’s torque specifications and replace seals and gaskets during installation. For those uncomfortable with mechanical work, hiring a professional is recommended to ensure a secure fit and optimal performance.
3. How long does the OMC 117 Cobra lower unit last?
With proper care, the OMC 117 Cobra can last for many years, often outlasting the original factory-installed unit. Its construction from high-strength alloys and corrosion-resistant coatings ensures durability even in harsh marine environments. Regular maintenance, such as oil changes and seal inspections, plays a crucial role in extending its lifespan. Many users report that with proper upkeep, this unit delivers exceptional reliability season after season, making it a cost-effective investment.
4. What makes the OMC 117 Cobra better than repairing my old unit?
Repairing an old lower unit may temporarily fix issues, but worn internal components can lead to repeated breakdowns. The OMC 117 Cobra eliminates these risks by providing a brand-new, factory-quality replacement. It comes with updated engineering that improves performance and longevity compared to older models. This reduces downtime, eliminates recurring repair costs, and ensures your boat remains water-ready. For boat owners seeking a permanent solution, replacing the unit is a smarter long-term choice.
5. Where can I buy the OMC 117 Cobra lower unit at the best price?
You can purchase the OMC 117 Cobra at All Boat Supplies, where you’ll find competitive pricing and reliable customer support. Additionally, using the code WELCOME5 provides a 5% discount on your order. Buying from an authorized dealer ensures you receive an authentic product with full warranty coverage, making it the safest and most cost-effective option.
Conclusion
The OMC 117 Cobra is the ultimate replacement for OMC Cobra sterndrive lower counter rotation units (1986-1993). It offers durability, improved performance, and hassle-free installation, making it a must-have for serious boaters. Avoid repeated repairs and upgrade to this reliable solution today for a smoother, more enjoyable boating experience.
Special Offer
WELCOME5 – Get 5% off storewide at allboatsupplies.com
🚀 Instant Assistance: Need help selecting the right product? Drop your contact in the chatbox at the bottom right corner, and our expert team will reply within 30 minutes with the best product suggestion for your boat — including a ready-to-use checkout link. We’re fast, knowledgeable, and always here for your boating needs!
No more guesswork — just message us and get a personalized checkout link for your antifouling system, fast!
Explore Our Best-Selling Ultrasonic Antifouling Products:
Buy now
OMC 117 (Replaces Omc Cobra Sterndrive Lower Counter Rotation 1986-1993)
Let us handle the hassle — expert support, quick replies, and smooth checkout. Your boat deserves the best.
Read More
For more helpful marine maintenance guides, check out our article on PTT Mercury Single Ram 2-Wire – Best & Avoid Issues.