Mercury – Tachometer 7K | Engine Speed Monitoring | Black Face | Chrome Bezel | 79-8M6020002

Overview
This 7,000-RPM tachometer gives you a steady, natural read on how the engine’s running, even when the water gets a little messy. The needle doesn’t twitch or bounce—it settles into a smooth swing that matches what you’re hearing from the motor. On the water, it becomes a quick, easy check: glance down, grab the number, and you’re right back to driving. It’s a simple, clean gauge that fits right into everyday use.

Key Features
    • 7,000-RPM Scale – Gives higher-rev engines room to show their true range.
    • Smooth Needle Movement – Holds steady through chop and throttle changes.
    • Standard Dash Fit – Sits cleanly in common dash openings.
    • Backlit Display – Clear and readable when light fades.
    • Marine-Durable Build – Handles vibration, spray, and hours on the water.

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

Performance & Practical Benefits
Out on the water, the wider RPM span helps you see where the engine feels strongest. Because the sweep stays calm, real changes show up clearly when you’re trimming out or getting onto plane. It reads cleanly without pulling your focus away from the run. Over time, it becomes one of those small, dependable checks that keeps things feeling dialed in.

Why Buy OEM
OEM gauges read Mercury’s signals the way they’re meant to, so the number you see is the real one. They stand up better to vibration, heat, and weather than cheaper alternatives. Most boaters choose OEM simply because it keeps the engine info consistent.

FAQ
1. How do I know if the tachometer is going bad?
If the needle sticks, lags, or doesn’t match the engine’s sound, it’s probably on its way out.

2. Does this gauge need calibration?
Most setups read fine right away, though checking settings during install never hurts.

3. How does it handle saltwater?
A rinse after each run helps it last through saltwater seasons.

4. Anything important during installation?
Clean grounding and snug signal wiring keep the sweep smooth.

5. What does failing behavior look like?
You may see drifting RPM, slow response, or random jumps.