fits make: Harley, Davidson. year: 1985–1987.

( Brand: S-s Cycle ), ( Manufacturer Part Number: MN/Z8DF ), ( Type: Rod Bearing Assembly ), ( Compatible Year: 1987 1986 1985 ), ( Compatible Make: Harley Davidson ), ( Compatible Model: Fxrc Low Rider Chrome ), ( Bundle Description: 1 Pc Genuines S Cycle Rod Bearing Assembly ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )
The **Cycle MN/Z8DFS Rod Bearing** is a precision-engineered, high-performance component specifically designed to enhance the durability, smoothness, and reliability of the rear suspension system on **1985 1987 Harley-Davidson FXRC Rider YM models** equipped with the **MN/Z8DF** rear suspension setup. Crafted from a proprietary blend of **high-grade steel and specialized bearing alloys**, this rod bearing is engineered to withstand the extreme forces generated by the bike s aggressive riding style, heavy-duty load capacity, and the inherent stress of Harley s iconic **dual-spring rear suspension (DSRS)**. The bearing features a **tapered, interference-fit design** that ensures a secure, vibration-dampening seal between the rod and the suspension linkage, preventing premature wear, rattling, or binding common issues that can compromise ride quality and safety. Its **hardened outer race** and **low-friction inner sleeve** combination minimizes friction while maintaining structural integrity under high loads, making it ideal for both daily commuting and high-speed cruising. The bearing is **pre-lubricated with a long-lasting, temperature-resistant grease** to resist corrosion, dust infiltration, and premature drying, ensuring extended service life even in harsh conditions. Whether you re navigating rough highways, tackling off-road trails, or simply enjoying the open road, this rod bearing delivers **superior stability, reduced noise, and improved shock absorption**, allowing the FXRC s suspension to perform at its peak without compromising the bike s legendary ride feel. Built to Harley-Davidson s exacting standards, it is a **direct-fit replacement** for the OEM component, ensuring compatibility without modification, and is a must-upgrade for riders seeking to restore or enhance the performance of their classic FXRC.
### Pros and Cons of Buying a Cycle MN/Z8DFS Rod Bearing for a 1985-1987 Harley-Davidson FXRC Rider (YM MN/Z8DF)
#### **Pros:**1. **Improved Ride Quality** The Z8DFS rod bearing is designed to reduce friction and vibration in the rear suspension, leading to a smoother, more stable ride. This is particularly beneficial for cruisers like the FXRC, which can experience harshness over rough terrain or long rides.
2. **Enhanced Durability** High-quality rod bearings are engineered to withstand higher loads and stress compared to stock components. This can extend the lifespan of your suspension system, reducing the need for frequent replacements.
3. **Better Performance** A well-lubricated and properly functioning rod bearing ensures that the rear suspension operates efficiently, improving handling and responsiveness. This can be especially noticeable when cornering or riding at higher speeds.
4. **Compatibility with Upgrades** If you ve already invested in other suspension upgrades (e.g., shocks, springs, or bushings), replacing the rod bearing ensures that all components work in harmony, maximizing the benefits of your modifications.
5. **Prevents Premature Wear** The stock rod bearing may wear out over time, leading to clunking noises, uneven suspension movement, or even failure. Replacing it proactively can prevent costly damage to other suspension parts.
6. **Easier Installation** The Z8DFS bearing is a direct replacement for the OEM part, meaning it fits seamlessly without requiring additional modifications. Installation is straightforward for those with basic mechanical skills or can be done by a shop.
7. **Aftermarket Support** Cycle Industries is a reputable brand with a strong reputation for quality parts. Their bearings are backed by warranties and customer support, offering peace of mind if issues arise.
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#### **Cons:**1. **Cost** While not excessively expensive, the Z8DFS rod bearing is more costly than an OEM replacement. For budget-conscious riders, this may be a deterrent, especially if the stock bearing still has significant life left.
2. **Installation Complexity** Although straightforward, replacing the rod bearing requires disassembling the rear suspension, which can be time-consuming. Riders without mechanical experience may need to pay for professional installation, adding to the expense.
3. **Lubrication Requirements** Like all bearings, the Z8DFS requires proper lubrication (typically grease) to function optimally. Failure to lubricate it correctly can negate its benefits and may even cause premature wear.
4. **Potential for Overkill** If the stock rod bearing is still in good condition, upgrading may not provide noticeable improvements. In such cases, the cost and effort may not be justified.
5. **Compatibility with Aging Suspension** Older Harley-Davidson models like the FXRC may have other worn components (e.g., shocks, springs, or linkages) that could still limit overall suspension performance. Upgrading just the rod bearing won t address these issues.
6. **Risk of Improper Fitment** While rare, there s a slight chance of misalignment or improper installation if not done carefully. This could lead to binding or uneven suspension movement, requiring rework.
7. **Limited Long-Term Savings** While the bearing itself may last longer, other suspension components (e.g., shocks, bushings) may still need replacement eventually. The upgrade doesn t eliminate the need for a full suspension refresh over time.
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### **Conclusion:**The **Cycle MN/Z8DFS rod bearing** is a worthwhile upgrade for a 1985-1987 Harley-Davidson FXRC Rider, particularly if you re experiencing clunking, uneven suspension movement, or simply want to future-proof your bike. The benefits in ride smoothness, durability, and performance outweigh the minor drawbacks, especially for riders who prioritize comfort and longevity. However, if your stock bearing is still in good condition and you re on a tight budget, the upgrade may not be immediately necessary.
For most riders who have already invested in their Harley or plan to keep it for years, the **Z8DFS is a smart choice**. It s a relatively low-effort, high-reward upgrade that enhances the overall riding experience without requiring major modifications.
### **Recommendation:** **Upgrade to the Cycle MN/Z8DFS rod bearing if:**- You notice excessive wear or clunking in your rear suspension.
- You ve recently upgraded other suspension components (e.g., shocks, springs) and want to ensure everything works together.
- You ride frequently or on rough terrain, where suspension durability is critical.
- You re planning long-term ownership and want to prevent future suspension issues.
**Avoid upgrading if:**- Your stock rod bearing is still functioning well with no signs of wear.
- You re on a tight budget and can t justify the cost without clear symptoms of failure.
- You re not comfortable with basic suspension maintenance (though installation is simple, proper lubrication is key).
Ultimately, this is a **low-risk, high-reward upgrade** that pays dividends in comfort and reliability. If in doubt, consult with a Harley mechanic or suspension specialist to confirm your bike s specific needs.
Cycle Rod Bearing Assembly for 1985 - 1987 Harley Davidson FXRC Low Rider ym: Status: In Stock.