Mercury – Tachometer Gauge 6K | Engine Speed Monitoring | White Face | Black Bezel | 79-8M6020049

Overview
This 6,000-RPM tachometer gives you a clear feel for how the engine’s running without the needle jumping every time the boat shifts. It settles into a smooth sweep, so you can check your RPMs with a quick glance and keep your focus on the water. Out on a long run, it feels natural—no guessing, no jitter, just a steady read that matches what the engine is doing. It’s a simple, everyday gauge that becomes part of your normal routine at the helm.

Key Features
    • 6,000-RPM Range – Covers the full operating span most engines run in.
    • Smooth Needle Movement – Stays steady through chop, turns, and throttle changes.
    • Standard Dash Fit – Drops into common panel cutouts without extra work.
    • Backlit Display – Easy to read during early mornings or late returns.
    • Marine-Durable Build – Handles vibration, spray, and long days on the water.

Engine & Boat Compatibility
    • FourStroke outboards
    • Verado series
    • Pro XS engines
    • SmartCraft systems

Performance & Practical Benefits
On the water, this gauge helps you settle into a smooth pace without hunting for the number. The needle doesn’t flicker when you’re trimming up or rolling into the throttle, so changes show up naturally. It’s easy to read mid-cruise and just as helpful when you’re easing through a marina. Over time, it becomes one of those quiet checks that keeps the engine running the way it should.

Why Buy OEM
OEM gauges read cleanly because they follow Mercury’s signal behavior exactly. They hold up better to vibration and weather than cheaper alternatives, which keeps the readings consistent. Most boaters stick with OEM simply because it avoids headaches later on.

FAQ
1. How do I know if the tachometer is going bad?
If the needle sticks, jumps, or doesn’t match the sound of the engine, it’s likely wearing out.

2. Does this gauge need calibration?
Most setups read correctly right away, but checking settings during install is always a good idea.

3. How does it hold up in saltwater?
With a quick rinse after trips, it handles saltwater seasons well.

4. Anything important during installation?
Clean signal and ground connections make the needle smoother and more accurate.

5. What does failing behavior usually look like?
You might see drifting RPM, slow reaction, or dead spots in the sweep.