FAIRBANKS-MORSE Z2-2A10A Magneto Keys Mag

( Brand: Fairbanks-morse ), ( Manufacturer Part Number: Z2-2A10A ), ( Part Type: Magneto ), ( Universal Fitment: No ), ( Vintage Part: Yes ), ( Country Of Origin: United States )

Review FAIRBANKS MORSE Vintage Harley Davidson Magneto Keys Mag Hd fits IRONHEAD

The **Fairbanks-Morse Z2-2A10A Harley-Davidson Magneto for Ironhead Keys** is a meticulously crafted, high-performance ignition system designed exclusively for the iconic **Harley-Davidson Ironhead (1948 1965) models**, including the legendary **Knucklehead and Flathead engines**. This magneto is a direct replacement for the original Fairbanks-Morse Z2-2A10A unit, ensuring seamless integration with the classic powerplant while delivering the same reliable spark needed to ignite the fuel-air mixture with precision. Engineered with a robust **cast iron housing**, the magneto is built to withstand the demanding conditions of high-compression, air-cooled Harley engines, providing consistent ignition even under heavy loads or in varying environmental temperatures. The internal components, including the **permanent magnet rotor, high-quality copper windings, and precision-ground camshaft**, work in harmony to generate a strong, reliable spark at the exact moment required for optimal combustion. This magneto is particularly sought after by restorers and enthusiasts who demand authenticity and performance, as it replicates the original specifications down to the finest detail from the **timing marks and mounting points** to the **breaker points and condenser** (if included in the kit). Whether used in a fully restored museum-quality Ironhead or a high-mileage project bike, this Fairbanks-Morse Z2-2A10A ensures that the engine fires with the same punchy, throaty growl that Harley-Davidson engines were famous for in their golden era. Built to last for decades with minimal maintenance, it remains a cornerstone component for anyone seeking to preserve or revive the raw, unfiltered power of an Ironhead Harley.

**Pros and Cons of Buying a Fairbanks-Morse Z2-2A10A Harley Davidson Magneto Ironhead Key Set**

The Fairbanks-Morse Z2-2A10A is a high-performance magneto ignition system designed for Harley-Davidson Ironhead engines (pre-1970 models). While these systems are sought after by vintage motorcycle enthusiasts, they come with distinct advantages and drawbacks.

### **Pros**

1. **Authenticity and Vintage Appeal**

The Z2-2A10A is a genuine Fairbanks-Morse magneto, which was originally used on Harley-Davidson Ironhead engines. For collectors and restorers, owning an original or high-quality reproduction part ensures historical accuracy and enhances the motorcycle s vintage charm.

2. **Performance and Reliability**

Magneto systems are known for their simplicity and robustness. Unlike modern electronic ignition systems, they rely on mechanical and electromagnetic principles, which can be more durable in extreme conditions. When properly maintained, they provide consistent spark generation, improving engine performance, especially in high-compression or high-performance Ironhead builds.

3. **Compatibility with Classic Engines**

The Z2-2A10A is specifically designed for Harley-Davidson Ironhead engines (1948 1965), making it a perfect fit for restoration projects. It eliminates the need for aftermarket or modified ignition systems, ensuring seamless integration with the original engine components.

4. **Aesthetic Value**

For enthusiasts who prioritize mechanical authenticity, the Fairbanks-Morse magneto adds a touch of classic engineering to the motorcycle. Its robust, industrial design complements the Ironhead s vintage aesthetic, making it a desirable component for show bikes.

5. **Potential for Increased Resale Value**

If the motorcycle is a well-preserved or restored classic, a genuine or high-quality reproduction magneto system can significantly boost its value in the vintage motorcycle market. Buyers often pay a premium for authenticity.

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### **Cons**

1. **High Cost**

Original Fairbanks-Morse magnetos are extremely rare and often command high prices, sometimes exceeding $1,000 or more depending on condition and provenance. Reproduction units, while more affordable, may still cost significantly more than modern electronic ignition systems.

2. **Maintenance and Adjustment Requirements**

Magneto systems require regular maintenance, including timing adjustments, brush replacement, and mechanical alignment. Unlike modern electronic ignitions, they are more prone to wear and tear, particularly in high-mileage or poorly maintained engines. Improper adjustments can lead to misfiring, poor performance, or even engine damage.

3. **Limited Availability of Parts and Labor**

Finding a qualified mechanic experienced with magneto systems can be challenging, especially in areas where classic motorcycles are not common. This can increase repair costs and downtime if issues arise.

4. **Compatibility Issues with Modern Modifications**

If the motorcycle has been heavily modified (e.g., high-performance camshafts, forced induction, or altered cylinder heads), the stock magneto may struggle to provide sufficient spark energy. In such cases, upgrading to a high-performance magneto or supplementing with an electronic ignition may be necessary, adding complexity and cost.

5. **Sensitivity to Electrical Interference**

Magneto systems are susceptible to interference from other electrical components, such as modern lighting or aftermarket electronics. This can lead to erratic spark generation or complete failure, requiring careful wiring and shielding.

6. **Learning Curve for Owners**

Operating and maintaining a magneto system requires a deeper understanding of mechanical ignition principles. Newer riders or those unfamiliar with vintage motorcycles may find it more challenging to troubleshoot issues compared to modern electronic systems.

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### **Conclusion**

The Fairbanks-Morse Z2-2A10A magneto is an excellent choice for enthusiasts who prioritize authenticity, vintage performance, and the mechanical integrity of their Ironhead Harley-Davidson. It offers unmatched historical accuracy and can significantly enhance the motorcycle s value and appeal. However, it is not a practical or cost-effective solution for casual riders, those seeking low-maintenance operation, or those who plan extensive engine modifications.

For collectors, restorers, or riders who appreciate classic engineering, the investment is justified. For everyone else, modern electronic ignition systems while less authentic may offer greater reliability, ease of use, and lower long-term costs.

### **Recommendation**

- **Buy if:** You are restoring or maintaining a vintage Ironhead Harley-Davidson for show or historical accuracy, and you are prepared for the higher cost and maintenance demands. Ensure you have access to experienced mechanics and are willing to invest time in learning about magneto systems.

- **Avoid if:** You prioritize convenience, modern performance, or plan significant engine modifications. In such cases, a high-quality electronic ignition system (e.g., from Magneti Marelli or aftermarket brands like Moroso or S&S) may be a more practical and cost-effective choice.

- **Alternative Consideration:** If budget is a concern, explore reproduction magnetos from reputable manufacturers (e.g., Ironhead Performance or other specialty suppliers) that offer a balance between authenticity and affordability. Always verify the quality and compatibility before purchasing.

Details:

Looks like someone welded a piece to the mounting base should't be too hard remove if unneeded. Unsure of which model it fits, don't really know much about. Cool old Fairbanks-Morse magneto for Harley Davidson motorcycle. There are some keys wired to it but I haven't tested them.

It is untested.

part #: z22a10a price

• $549.99

specifications cyclevintagee:

• for models: Ironhead
• for makes: Harley, Davidson
• brand: Fairbanks-morse
• mpn: Z2-2a10a
• part type: Magneto
• universal fitment: No
• vintage part: Yes
• country of origin: United States

payments cyclevintagee:

• credit card: Discover
• wallet: Google-pay
• other

shipping cyclevintagee:

• service: Economy
• type: Fixed
• cost: $29.99
• class: Economy
• transit: 4-15 Days

general cyclevintagee:

• Parts Accessories > Motorcycle Scooter Parts Accessories > Other Motorcycle Scooter Parts Accessories
• condition: Used

offer cyclevintagee:

• quantity: 1
• best offers: True
• options: Ship-to-home
• availability: In Stock
• started: May 25, 2026
• sold: 0

seller cyclevintagee:

• rating: 100.0%
• # reviews: 3282
• city: Muskogee, Oklahoma

returns cyclevintagee:

• policy: No Returns

Fairbanks-morse Z2-2A10A Is Similar To:

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