Sierra 18-6760 Tilt-Trim Motor-Yamaha 6G5438800200
Sierra 18-6760 Tilt-Trim Motor-Yamaha 6G5438800200 — Product description
Revitalize your Yamaha outboard's tilt and trim system with a reliable upgrade that tackles common failures head-on. When your boat's motor struggles to raise or lower smoothly, leaving you fighting sluggish responses or complete breakdowns on the water, it's time for a part built to last. This aftermarket powerhouse steps in as a drop-in solution, engineered to match the exact performance of factory originals while standing up to harsh marine environments.
Engineered for Endurance and Precision
- Robust Construction: High-grade materials resist corrosion from saltwater exposure and freshwater grime, ensuring years of dependable operation even in demanding conditions.
- Exact OEM Specs: Mirrors the original dimensions and electrical requirements for seamless integration, eliminating guesswork during replacement.
- Powerful Torque Delivery: Provides the muscle needed for effortless tilting on heavier hulls, from fishing skiffs to family cruisers.
- Quiet and Efficient: Reduced noise and vibration mean smoother rides, letting you focus on the horizon rather than mechanical distractions.
- Universal Mounting: Direct bolt-on design fits without modifications, saving time and frustration at the dock or in the garage.
Unlike stock parts that wear out under repeated cycles of lifting and lowering, this unit incorporates reinforced gears and seals proven in real-world boating tests, helping prevent leaks and binding that plague aging systems.
Perfect Fit for Popular Yamaha Models
Designed as a precise match for Yamaha outboards in the 40-90 HP range, including many 2-stroke and early 4-stroke variants. It slots right into power tilt-trim assemblies on models like the 48, 60, 70, and 90 series, restoring factory-like responsiveness. Always cross-check your engine's serial number for the best match—common in setups from the late '80s through the 2000s.
Boat owners report quicker trim adjustments that improve planing speed and fuel efficiency, turning sluggish starts into crisp launches every time.
Real-World Advantages Over Factory Parts
Aftermarket excellence means tougher internals that handle the rigors of trailering, launching, and long days on the water. Skip the OEM premium without sacrificing quality—think enhanced waterproofing and thermal protection that keep things cool under load. Anglers and weekend warriors alike praise the reliability that gets them home without drama, backed by rigorous testing in diverse conditions from coastal bays to inland lakes.
Effortless Swap for DIY Enthusiasts
Replacement boils down to a few straightforward steps: Disconnect the battery, remove the old unit by unbolting the mounting bracket and detaching wiring harnesses, then reverse the process with the new motor. Pro tip: Inspect hydraulic lines and pivot points for wear while everything's exposed to avoid future headaches. Most swaps wrap up in under an hour with basic tools, no special gear required. Fresh gear oil in the trim pump afterward ensures peak performance from day one.
Keep It Running Strong: Pro Tips
Regular rinses after saltwater use, annual gear oil changes, and checking electrical connections ward off 90% of failures. Listen for unusual grinding or slow response—these early signs let you act before a full outage strands you. Pair it with quality trim fluid for buttery-smooth operation season after season.
Frequently Asked Questions
What Yamaha outboard models does this tilt-trim motor fit?
It serves as a direct replacement for many Yamaha 40-90 HP outboards, particularly those with OEM part 6G5-43880-02-00, including popular 2-stroke models from the 48 to 90 series. Verify compatibility via your engine's serial plate for the ideal match.
Is this a plug-and-play replacement for the OEM motor?
Yes, it's engineered to OEM specifications with matching mounts, wiring, and torque output, allowing a straightforward bolt-on installation without adapters or modifications.
What are the common signs of a failing tilt-trim motor?
Watch for slow or jerky lifting/lowering, unusual noises like grinding, failure to hold position, or complete non-response. These often stem from worn gears, seals, or electrical issues.
How do I install the Sierra tilt-trim motor myself?
Safely disconnect power, unbolt the old motor, disconnect wires, and install the new one in reverse order. Inspect related components like rams and fluid levels during the process for best results.
Does it perform as well as the original Yamaha part?
Absolutely—built with comparable power and durability, often with upgraded corrosion resistance for marine use, delivering smooth, reliable operation trip after trip.
Can I use this motor in both freshwater and saltwater?
Yes, its corrosion-resistant design handles both environments effectively. Rinse thoroughly after saltwater exposure and maintain regularly for longevity.
What maintenance does the tilt-trim motor need?
Flush with freshwater after use, change trim fluid yearly, and check connections. This prevents buildup and ensures consistent performance.
SKU: NVN-4002923
MPN: 18-6760
UPC: 808282237394
Technical specifications
| Brand | Sierra Engine Parts |
| Model | Sierra 18-6760 Tilt-Trim Motor-Yamaha 6G5438800200 |
| SKU / MFR# | 4002923 |
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