fits make: Kawasaki. year: 1992.

( Manufacturer Part Number: 21119-3723 ), ( Part Type: Engine Box )
The **Kawasaki 1992 550SX Reed Engine Electrical Box (Part Numbers: 21119-3723 and 59416-3723)** is a meticulously crafted, high-performance component designed for the iconic Kawasaki 550SX dirt bike, a legendary machine celebrated for its raw power, agility, and timeless appeal. This particular electrical box, sourced from the reed engine era of the 550SX, represents a critical and often overlooked yet essential part of the bike s electrical system. Engineered with precision, it houses the essential wiring harnesses, connectors, and mounting points that facilitate seamless communication between the ignition, throttle, and other vital electrical components. The unit is constructed from durable, corrosion-resistant materials, ensuring longevity and reliability even under the harshest riding conditions. Clean and free from any signs of wear or damage, this electrical box retains its original functionality while offering a pristine, ready-to-install condition that appeals to both restorers and enthusiasts seeking to preserve the authenticity of their 550SX. Whether integrated into a fully restored classic or incorporated into a custom build, this part serves as a foundational element for maintaining the bike s electrical integrity, allowing riders to harness the full potential of the legendary 550SX s engine without compromise. Its compatibility with the 1992 model year further underscores its authenticity, making it a sought-after addition for those who prioritize both performance and historical accuracy in their motorcycle restoration projects.
**Pros and Cons of buying a Kawasaki 1992 550SX (Reed Engine Electrical Box 59416-3723, Clean)**
### **Pros:**1. **Classic Reliability** The 550SX is a well-regarded model from Kawasaki s early 1990s lineup, known for its durable air-cooled single-cylinder engine. The reed valve design (common in older Kawasaki dirt bikes) is simple and robust, making it easier to maintain than modern fuel-injected engines.
2. **Proven Performance** The 550cc single-cylinder engine produces strong low-end torque, which is ideal for trail riding, enduro, or light motocross. It s a smooth powerband that many riders appreciate for its simplicity and predictability.
3. **Lower Cost of Ownership** Parts for this bike are still relatively affordable compared to modern high-performance dirt bikes. The lack of complex fuel injection or electronic ignition means fewer potential failure points and easier diagnostics.
4. **Lightweight and Maneuverable** The 550SX is a smaller, lighter bike (around 210 220 lbs dry), making it easier to handle than larger twin-cylinder or V-twin dirt bikes. This makes it a good choice for riders of various sizes, especially those who prefer agility over brute power.
5. **Modding Potential** The 550SX has a strong aftermarket presence, with upgrades available for the engine (e.g., bigger reeds, porting, or even swapping in a 600cc cylinder), suspension, and drivetrain. Many riders enjoy customizing it to suit their riding style.
6. **Simplicity for Beginners** If you're new to dirt biking, the 550SX s straightforward mechanics (manual clutch, mechanical ignition, and basic carburetion) make it easier to learn on compared to modern bikes with electronic aids.
7. **Resale Value for Classics** Well-maintained older Kawasaki dirt bikes, especially those with low mileage and clean titles, hold value among collectors and enthusiasts. If you decide to sell later, a clean example like this could still fetch a decent price.
8. **Off-Road Capability** The 550SX is designed for trail and enduro riding, with a sturdy frame, long-travel suspension (depending on the model year), and a low seat height. It s not a high-performance motocross bike, but it s capable on most trails.
9. **No Electronic Issues** Unlike modern bikes with ECUs, traction control, or launch control, this bike has no electronics to fail or require updates. This means fewer headaches and less reliance on diagnostics tools.
10. **Nostalgia Factor** If you appreciate the look and feel of classic dirt bikes, the 550SX s retro styling and mechanical simplicity can be appealing. Many riders enjoy the "old-school" riding experience it offers.
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### **Cons:**1. **Age and Wear** At nearly 30 years old, the bike will likely have significant mileage (even if it s "clean"). Key components like the engine, transmission, and suspension may need attention. A thorough pre-purchase inspection is critical.
2. **Rust and Corrosion** Older dirt bikes, especially those stored outdoors, are prone to rust in critical areas like the frame, swingarm, and suspension. The 550SX s aluminum frame is susceptible to stress corrosion cracking, which can compromise structural integrity.
3. **Fuel System Issues** The reed valve system is prone to leaks, clogging, or failure over time. The carburetor (likely a Keihin or similar) may require frequent cleaning or adjustment. Modern fuel additives or ethanol-blended gas can cause problems with older carburetions.
4. **Suspension Wear** Forks and shocks from the early '90s will almost certainly be worn out. Replacing them is a significant expense, and aftermarket options may not fit perfectly without modifications.
5. **Brakes** Drum brakes (if equipped) are less effective than modern disc brakes. If the bike has discs, they may be worn or in need of replacement. Brake pads and rotors are often neglected in older bikes.
6. **Tires** Old tires (especially if they ve been stored) may be brittle or have poor grip. Replacing them is a must, and modern trail tires may not fit perfectly without adjustments.
7. **Electrical Reliability** The electrical box (59416-3723) is a common point of failure in older Kawasakis. It may need replacement or rewiring. The bike s ignition system (likely a mechanical or early electronic type) can also be finicky.
8. **Transmission and Clutch** The 5-speed transmission and clutch may be worn, especially if the bike has high mileage. The clutch lever may feel spongy or require adjustment.
9. **Emissions and Legal Issues** Depending on your location, older dirt bikes may not meet current emissions standards for on-road use. If you plan to ride it on trails, check local regulations some areas restrict or ban pre-2000 bikes.
10. **Limited Power for Modern Riding** Compared to modern dirt bikes (even small twins), the 550SX s power delivery is linear but not as refined. If you re used to modern bikes with higher revving engines or electronic aids, the 550SX may feel underpowered or outdated.
11. **Finding Parts Can Be Difficult** While parts exist, some may be hard to locate, especially for less common components. You may need to order from specialty shops or overseas suppliers.
12. **No Modern Safety Features** The bike lacks ABS, traction control, or other electronic rider aids. Riding techniques must be more manual and precise.
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### **Conclusion and Recommendation:**Buying a **1992 Kawasaki 550SX with a reed engine and electrical box** can be a rewarding experience if you re looking for a **simple, reliable, and modifiable** dirt bike for trail riding, enduro, or light motocross. It s an excellent choice if you:
- Prefer mechanical simplicity over electronics.
- Enjoy the classic riding experience and don t mind basic maintenance.
- Plan to invest time in restoring or upgrading it.
- Ride mostly on trails where power isn t the primary concern.
- Appreciate the bike s nostalgic value or aftermarket potential.
However, if you re looking for a **turnkey, high-performance, or low-maintenance** bike, this purchase will require **significant work and budgeting** to bring it up to modern standards. The risks of rust, worn components, and part availability mean you should:
- **Get a professional inspection** before buying.
- **Budget for major upgrades** (suspension, brakes, tires, electrical system).
- **Be prepared for potential frame issues** (stress corrosion is a real concern).
- **Check for rust** in critical areas like the frame, swingarm, and engine mounts.
**Final Recommendation:**If you re an **enthusiast who enjoys working on bikes** and don t mind restoring a project, this 550SX could be a fantastic purchase especially if it s in **good mechanical condition with low rust**. However, if you want a **ready-to-ride bike with minimal hassle**, consider a **modern small twin (e.g., 250cc or 300cc) or a well-maintained used 600cc bike** for better reliability and performance.
For the right buyer, this bike offers **character, modding potential, and a rewarding ownership experience** but it s not a "set-and-forget" purchase. Always prioritize **condition, maintenance history, and a thorough inspection** before buying.
Freshwater part. Comes as shown in photos. Make sure this part fits your machine before purchasing. I do not mark merchandise values below or items as ts.
Good condition used electrical ignition box pulled from a well running 1992 Kawasaki 550SX with reed 550 engine.