KAWASAKI 21119-007 Cdi Box Igniter F12MX

( Manufacturer Part Number: 21119-007 ), ( Part Type: Box Igniter ), ( Vintage Part: Yes ), ( Country Of Origin: Japan )

Review KAWASAKI Vtg Good Used Cdi Igniter Box fits KX450 F5 F7 F9 1970–1975

The **Kawasaki 21119-007 Vintage CDI Igniter Box** is a meticulously crafted, high-performance ignition component designed to breathe new life into classic Kawasaki off-road motorcycles from the legendary **1970 1975 model years**, including the iconic **KX450**, as well as the **F12MX, F5, F7, and F9** models. This rare and sought-after part is a direct OEM replacement for the original **Capacitor Discharge Ignition (CDI) system**, a groundbreaking technology of its era that delivered unmatched reliability, smooth power delivery, and superior ignition efficiency hallmarks of Kawasaki s engineering prowess in the early days of modern off-road racing. Crafted from durable, corrosion-resistant materials, the **21119-007 igniter box** features a robust, sealed housing that protects delicate internal components, including the high-voltage capacitor, ignition coil, and precision timing circuitry, from moisture, dust, and mechanical stress common enemies of vintage motorcycle longevity. The unit s compact yet sturdy design ensures seamless integration into the motorcycle s electrical system, maintaining the original wiring and mounting points while offering modern reliability. Whether restoring a showroom-fresh **KX450** for track days or reviving a rustic **F-series** for trail riding, this igniter box is a critical component that preserves the authenticity of the bike s heritage while ensuring dependable performance. Its compatibility with aftermarket modifications, such as upgraded carburetures or performance exhausts, makes it an ideal choice for enthusiasts seeking both historical accuracy and contemporary functionality. With its timeless build quality and unmatched historical significance, the **Kawasaki 21119-007 CDI Igniter Box** is not just a replacement part it s a piece of off-road legend, designed to ignite the spirit of Kawasaki s golden age.

### **Pros and Cons of Buying a Kawasaki 1970 1975 VTG KX450 (F12MX, F5, F7, F9) with CDI Igniter Box**

#### **Pros**

1. **Classic Design and Heritage**

The Kawasaki KX450 from the early 1970s is a legendary off-road motorcycle, known for its timeless design and engineering. It was one of the first production motocross bikes to feature a single-cylinder, air-cooled engine, setting a foundation for modern motocross bikes.

2. **Strong Engine and Reliability**

The 449cc (later 450cc) single-cylinder engine is robust and capable of handling rough terrain. With proper maintenance, these engines can last for decades, especially if they have been well cared for. The early F-series models (F12MX, F5, F7, F9) are particularly well-regarded for their durability.

3. **Vintage Appeal and Collectibility**

These bikes are highly sought after by collectors and enthusiasts, especially in restored or near-mint condition. Owning one can be a point of pride for riders who appreciate classic machinery. The rarity of fully original examples can also increase their value over time.

4. **Simplicity and Ease of Maintenance**

Compared to modern bikes, these early KX models are relatively simple mechanically. Many parts are still available through aftermarket suppliers, and the lack of complex electronics makes repairs more straightforward for those with mechanical skills.

5. **Off-Road Capability**

The KX450 was designed for motocross and enduro, meaning it has a strong suspension setup, durable frame, and reliable braking system for its time. While not as advanced as modern bikes, it remains capable on trails and light cross-country rides.

6. **Potential for Restoration and Customization**

If the bike is in rough condition, it can be restored to like-new condition, which can be a rewarding project. Many riders enjoy customizing these bikes with modern components (e.g., upgraded suspension, brakes, or exhaust) while preserving their classic look.

7. **Lower Operating Costs**

Fuel efficiency is decent for its time, and parts (especially for common models like the F5 or F7) are still relatively affordable compared to rare or exotic bikes. Insurance and registration costs are also lower than for modern high-performance bikes.

---

#### **Cons**

1. **Age and Wear**

These bikes are over 40 50 years old, meaning they may have significant wear and tear. Rust, worn-out suspension, faded paint, and degraded rubber components (tires, hoses, seals) are common issues. A thorough inspection is essential before purchase.

2. **Lack of Modern Safety Features**

Early KX models lack modern safety features such as disc brakes (early models had drum brakes), ABS, traction control, or advanced suspension systems. This makes them less safe in high-speed or technical riding conditions compared to today s bikes.

3. **Limited Power and Performance**

The 449cc single-cylinder engine produces far less power than modern 450cc or larger bikes (typically around 30 40 horsepower, depending on tuning). While this isn t a dealbreaker for casual or trail riding, it may feel underpowered for aggressive motocross or competitive riding.

4. **Availability of Original Parts**

While many parts are still available, some original components (e.g., specific carburetors, springs, or wiring) may be hard to find. Aftermarket parts can be expensive or of inconsistent quality. A full rebuild may require sourcing parts from multiple suppliers.

5. **Rust and Corrosion**

Many vintage bikes suffer from rust, especially in the frame, suspension, and exhaust. Salt damage (if ridden in winter) or neglect can compromise structural integrity. A rust inspection is critical before purchasing.

6. **Electrical System Reliability**

The CDI (Capacitor Discharge Ignition) system is more reliable than early points-and-condenser setups but can still fail over time. Wiring harnesses may be brittle, and battery maintenance can be an issue. Modernizing the electrical system may be necessary.

7. **Resale Value Uncertainty**

While some restored KX450s hold value, others may depreciate if they are heavily modified or poorly maintained. The market for vintage bikes can be niche, so resale potential depends on condition and demand.

8. **Riding Experience Differences**

The ergonomics, seat height, and handling feel very different from modern bikes. The high seat height and rigid frame may not suit riders of all sizes or preferences. Test-riding is highly recommended before committing.

9. **Environmental and Legal Considerations**

Older bikes may not meet modern emissions standards in some regions, which could limit where they can be ridden. Additionally, some areas have restrictions on vintage bikes, so check local regulations.

10. **Time and Effort Required**

Owning a vintage bike often requires more hands-on maintenance than a modern bike. Riders must be prepared to spend time on upkeep, including cleaning, lubrication, and occasional repairs.

---

### **Conclusion**

Buying a Kawasaki 1970 1975 KX450 (F12MX, F5, F7, F9) with a CDI igniter box can be a fantastic experience for enthusiasts who appreciate classic machinery, enjoy restoration projects, or simply want a unique riding experience. The bike s heritage, reliability, and off-road capability make it a compelling choice for those who prioritize character over modern performance.

However, the challenges of age-related wear, higher maintenance demands, and limited power mean it is not the best choice for riders seeking high-performance or low-effort ownership. If you are willing to invest time in restoration, maintenance, and possibly modifications, this bike can be an incredibly rewarding addition to your collection or riding stable.

---

### **Recommendation**

- You are a vintage motorcycle enthusiast and enjoy the challenge of restoring or maintaining a classic bike.

- You plan to use it for casual trail riding, enduro, or as a project bike rather than aggressive motocross.

- You have access to a reliable mechanic or mechanical skills to handle repairs.

- You are prepared to invest in restoring it to a safe and enjoyable condition.

- You appreciate the historical significance and unique design of the KX450.

- You prioritize modern safety, performance, and convenience over vintage charm.

- You are not willing to spend significant time or money on maintenance and restoration.

- You plan to ride it frequently in competitive or high-speed motocross conditions.

- You cannot find a bike in excellent condition with a clean service history.

- A rust-free frame and suspension.

- A fully functional engine (check for compression, leaks, and smooth operation).

- Original or high-quality aftermarket parts where possible.

- A professional inspection before buying to avoid hidden issues.

Consider starting with a slightly newer model (e.g., F7 or F9) if you want a balance between rarity and reliability. For the ultimate collector s piece, the F12MX (1970 1971) is highly sought after but may require extensive work. Happy hunting!

Details:

While Rare, It Does Happen. All Parts Come as Seen in Pictures and are Sold As Is I Do Take Excellent Pictures, So you Should Be Able to See Blemishes/Damages. Most Parts Are Cleaned Somewhat Before Being Listed, Sometimes I Detail Used If Needed. I will Do My Best To Solve Any Problems.

FITS SEVERAL model's 1970 THRU 1975, KX450 / F12MX F5 F7/ F9. Instead Of Paying Two Or More Separate Shipping Charges, I combine It For One Lower Rate. Very Common On Older Handlebar Switches Wire Harnesses.: condition: USED, IMPORTANT INFO FOR THIS PART: This Part Is Being Advertised Sold Entirely Per Pictures, Please VIEW ALL PICTURES Carefully.

COMBINED SHIPPING: I Will Always Combine Shipping. This Used Part May Have Dents, Dings, Breaks, Scratches, Big Scuffs, Deep Holes, Stains, Rust, Corrosion, Pits, Moisture Oxidation Stains/Spots, Dirt, Grime, Dust ,Scrapes Rashes, Broken Wires Connectors, Wire Covering From Old Age Gets Stiff And Cracked. Been Shipping Overseas for 15 Years Now And Have Had No Problems. So I Feel The Best Way To Sell Each Part Is By Actual Pictures.

part #: 21119007 prices

• $75.00-$450.00

specifications cyclevintagee:

• for models: Kx450, F5, F7, F9
• for makes: Kawasaki
• for years: 1970-1975
• mpn: 21119-007
• part type: Box Igniter
• vintage part: Yes
• country of origin: Japan

seller cyclevintagee:

• # reviews: 2482
• rating: 100.0%
• city: Silverton, Oregon

returns cyclevintagee:

• policy: No Returns

offer cyclevintagee:

• options: Ship-to-home
• availability: In Stock
• started: March 31, 2026
• quantity: 1
• best offers: True
• sold: 0

general cyclevintagee:

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

payments cyclevintagee:

• wallet: Apple-pay
• other
• credit card: Mastercard

shipping cyclevintagee:

• type: Calculated
• carrier: USPS, FedEx
• transit: 3-8 Days
• service: USPS Ground Advantage, USPS Priority Mail, FedEx Ground / FedEx Home Delivery
• cost: $14.00
• class: Standard, Expedited

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