Mercury – Quicksilver Motorcycle Fork Oil | Suspension Fluid | High-Performance Formula | 8M0128410

Overview

Any rider who’s spent time on winding roads or rough backcountry trails knows how much the front end sets the tone of the entire ride. When your forks are working right, everything feels smoother — the bike tracks straighter, turns with more confidence, and absorbs the terrain instead of fighting against it. Quicksilver 8M0128410 Motorcycle Fork Oil is made for riders who want that steady, controlled feel every time they squeeze the brakes or lean into a curve. It gives your suspension the support it needs to stay responsive, predictable, and smooth through every mile.

Key Features

• High-performance fork oil designed for all motorcycle fork applications
• Provides protection against stiction and drag for smoother operation
• Helps extend fork seal life with consistent lubrication
• Formulated for stable performance across wide temperature ranges
• Meets or exceeds manufacturer warranty requirements
• Packaged in a convenient one-quart bottle for easy servicing

Engine & Boat Compatibility

(Suspension-specific — motorcycles only)

• Compatible with all motorcycles equipped with telescopic or cartridge-style forks
• Ideal for sport bikes, touring motorcycles, cruisers, adventure bikes, and dirt bikes
• Works with OEM or aftermarket fork assemblies that require standard fork oil
• Safe to use without affecting any existing manufacturer warranties

Performance & Practical Benefits

Good fork oil doesn’t just keep the front end smooth — it transforms the way the entire motorcycle feels on the road. Quicksilver’s formula is engineered to reduce stiction, the sticky friction that can make forks feel harsh or reluctant to move. With this oil in place, the movement becomes more fluid and controlled, giving the front end a steady, planted feel whether you’re braking hard, gliding over uneven surfaces, or carving through tight corners.

The oil’s ability to maintain consistent damping across temperature changes is a major advantage for riders who face varied conditions. On cold morning starts, the forks won’t feel rigid or unwilling to compress. As the day warms up or the road gets rougher, the oil resists thinning out and becoming too soft. That stability helps your suspension perform the same way ride after ride, giving you a “dialed-in” feel without constant adjustment.

Fork seals also benefit from the oil’s protective characteristics. By reducing internal drag and keeping components evenly lubricated, the oil helps minimize seal wear and keeps contaminants from creating premature leaks. For riders who put on big miles or hit challenging terrain, that added longevity can make a noticeable difference. This Mercury Marine part number is built to deliver reliability you can sense every time you grip the bars.

Why Buy OEM

Shock and fork fluids are not all created equal, and using the right oil can dramatically extend the life and performance of your suspension. Quicksilver develops lubricants trusted in some of the harshest environments — high-load marine systems that demand precision and durability. That same engineering excellence goes into this fork oil. Many aftermarket blends break down faster, foam under pressure, or vary in viscosity. With this OEM-trusted formulation, you get consistent performance, longer fork life, and fewer surprises on the road. It’s a practical choice for anyone who values a smooth, controlled ride.

FAQ

Q1: Which motorcycles is this fork oil suited for?

It works with all motorcycle forks, including telescopic and cartridge-style systems.

Q2: What sets it apart from aftermarket alternatives?

Its stiction-reducing formula and temperature-stable damping offer smoother, more predictable fork performance.

Q3: How do I know if this is the correct replacement?

Check your service manual. If your forks require standard motorcycle fork oil, this part number is a strong match.

Q4: Can it handle extreme riding environments?

Yes. It performs consistently in heat, cold, and mixed terrain conditions.

Q5: Is installation straightforward?

If your forks are serviceable, replacing fork oil is a simple job for a shop or an experienced rider.