MAGNACHARGER 1985-1999EVO Supercharger

( Brand: Magnacharger ), ( Manufacturer Part Number: 1985-1999EVO ), ( Oe/oem Part Number: 1985-1999 )

Review MAGNACHARGER 1985 1999evo Harley Davidson Supercharger

The **Magnacharger Supercharger Kit for 1985 1999 Harley-Davidson Evolution engines** represents a premium aftermarket solution designed to transform the raw, torque-driven power of your Harley into a more refined, high-revving, and exhilarating experience. Engineered for the iconic **Evo platform** known for its legendary V-twin architecture this kit delivers a substantial boost in horsepower and torque while maintaining the classic Harley-Davidson sound and character. The **Magnacharger supercharger** operates on a roots-type design, forcing a continuous stream of high-pressure air into the engine s combustion chambers, enabling more fuel to be burned and unlocking untapped performance potential. Unlike forced induction systems that rely on turbochargers often plagued by lag and complexity the Magnacharger s **positive displacement mechanism** provides instant, linear power delivery, making every twist of the throttle feel immediate and responsive. This kit is meticulously crafted to integrate seamlessly with the **Evo s** naturally aspirated heritage, ensuring compatibility with stock or upgraded fuel systems, intake manifolds, and exhaust setups. Whether you re chasing the raw growl of a high-revving V-twin or seeking a noticeable lift in mid-range torque, the Magnacharger delivers a **noticeable yet controlled** power increase, allowing you to push your Harley beyond its stock limitations without sacrificing reliability or drivability. Built with durability in mind, the kit includes high-quality components such as a **stainless steel supercharger housing**, reinforced drive belts, and precision-engineered pulleys, all designed to withstand the demands of heavy-duty motorcycle use. Installation is straightforward, with clear instructions and minimal modifications required, making it an accessible upgrade for both DIY enthusiasts and professional shops. For riders who demand more from their Evolution-era Harley whether for spirited cruising, track days, or simply the thrill of a more aggressive powerband the Magnacharger Supercharger Kit offers a **proven, high-performance solution** that bridges the gap between stock efficiency and forced induction dominance. Experience the difference of a supercharged Harley, where every mile becomes an adventure fueled by raw, unfiltered power.

### Pros and Cons of Buying a Magnacharger (1985 1999 EVO) Harley-Davidson Supercharger

#### **Pros**

1. **Performance Boost** The Magnacharger supercharger significantly increases horsepower and torque, making the engine more responsive and capable of handling higher RPMs. For Harley-Davidson engines of that era, this can turn a stock 60 70 HP motor into something closer to 90 110 HP, depending on tuning and fuel system upgrades.

2. **Enhanced Throttle Response** The forced induction provides a more linear power delivery, reducing the lag common in naturally aspirated Harley engines, especially at lower RPMs.

3. **Customization Potential** The Magnacharger system is designed to be modular, allowing for upgrades like larger intercoolers, high-flow fuel injectors, or even aftermarket turbochargers (though this is rare and complex). This makes it a good platform for further modifications.

4. **Proven Reliability (for the Era)** While Harley-Davidson engines of the 1980s 90s were not known for longevity, the Magnacharger system itself was a well-engineered solution for its time. Many units lasted decades with proper maintenance, especially when paired with upgraded fuel systems.

5. **Nostalgia and Community** The Magnacharger era (late '80s to mid-'90s) has a dedicated following. Buyers often enjoy the challenge of restoring or modifying these bikes, and there are forums, parts suppliers, and events catering to this niche.

6. **Potential for High Horsepower (with Care)** With the right supporting modifications (fuel system, ignition, exhaust, and cooling upgrades), these setups can achieve impressive power levels for their time, making them attractive to enthusiasts who appreciate forced induction.

7. **Lower Cost Than Modern Superchargers** Compared to modern supercharger kits (e.g., for newer Harley-Davidson engines), the Magnacharger is relatively affordable, especially if sourced from a reputable dealer or private seller.

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#### **Cons**

1. **Aging and Wear** Harley-Davidson engines from the 1980s 90s were not built for high-RPM forced induction. Many original Magnacharger installations were paired with stock fuel systems, leading to carbon buildup, valve issues, and premature wear. A well-maintained example is rare.

2. **Fuel System Limitations** The stock carburetors or early fuel injection systems (e.g., EFI on some '90s models) were not designed for supercharging. Without upgrades (e.g., high-flow injectors, fuel pumps, or electronic fuel injection), the engine will suffer from fuel starvation, detonation, or poor performance.

3. **Reliability Concerns** The Magnacharger itself is durable, but the supporting components (timing belts, water pumps, fuel lines, and ignition systems) are aging. Many bikes require extensive rebuilds to be reliable, which can be costly.

- **Cooling system checks** (superchargers generate heat, straining radiators and water pumps).

- **Fuel system upgrades** (as mentioned above).

- **Timing and valve adjustments** (high RPMs can cause valve float or timing issues).

- **Supercharger belt and pulley inspections** (wear can lead to power loss or failure).

5. **Resale Value** These bikes are not common, and their value is tied to the enthusiast market. A well-done Magnacharger build may hold value among collectors, but a neglected or poorly modified example will depreciate quickly.

6. **Legal and Insurance Issues** Some insurance companies may charge higher premiums for supercharged bikes, and local laws may restrict high-performance modifications. Always check local regulations before purchasing.

7. **Skill and Knowledge Required** Modifying or maintaining a Magnacharger setup requires mechanical aptitude, especially if dealing with older fuel systems or Harley-Davidson-specific quirks. Beginners may find the learning curve steep.

8. **Potential for Overbuilding** Without proper supporting mods, a Magnacharger can destroy an engine. Many owners have ruined stock or lightly modified engines by adding supercharging without addressing fuel, ignition, or cooling.

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### **Conclusion**

Buying a Magnacharger-equipped Harley-Davidson (1985 1999 EVO) can be a rewarding project for enthusiasts who appreciate forced induction and are willing to invest time and money in maintenance and upgrades. The performance gains are undeniable for its era, and the community offers support for modifications. However, the risks of reliability issues, fuel system limitations, and the high maintenance demands make it a challenging choice for casual riders or those seeking a plug-and-play solution.

- **Experienced mechanics** who enjoy working on classic engines.

- **Enthusiasts who prioritize performance and customization** over convenience.

- **Those with a budget for repairs and upgrades**, including fuel system overhauls, cooling system refreshes, and potential engine rebuilds.

- **Riders who plan to keep the bike for the long term** and are okay with occasional downtime for maintenance.

For someone looking for a **reliable, low-maintenance, or modern** Harley experience, a Magnacharger build is not the best choice. However, if you re drawn to the challenge, the nostalgia, and the potential for a high-performance classic, it can be an exciting project with the right approach.

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### **Recommendation**

1. **Inspect thoroughly** Look for signs of carbon buildup, valve issues, or fuel system problems. A compression test and leak-down test are essential.

2. **Verify the supercharger s condition** Check for belt wear, pulley damage, and seals. A well-maintained Magnacharger should spin freely without excessive play.

- Upgraded fuel injection (e.g., aftermarket EFI or high-flow injectors).

- A performance exhaust system.

- A reinforced cooling system (radiator, water pump, thermostat).

- A rebuilt or upgraded ignition system.

4. **Budget for repairs** Expect to spend **$3,000 $8,000 ** on a project bike, depending on its condition and the extent of mods needed.

5. **Consider alternatives** If you want forced induction on a Harley, newer kits (e.g., **Turbochargers for newer models** or **modern superchargers like the Garrett T25**) may offer better reliability and support.

6. **Join the community** Engage with forums (e.g., **Harley-Davidson Forums, Magnacharger groups on Facebook**) to learn from others experiences and find parts.

**Final Verdict:** Only buy a Magnacharger Harley if you re prepared for the challenges, have the skills (or access to them), and are passionate about restoring and modifying classic bikes. For most riders, a modern or well-maintained stock Harley is a safer and more practical choice.

Details:

specifications intakefuelmotorcycle:

• for makes: Harley, Davidson
• brand: Magnacharger
• mpn: 1985-1999evo
• oe/oem part number: 1985-1999

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• class: Standard
• cost: $9.35
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• condition: Used
• Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Other Air Intake Fuel Delivery

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• started: May 10, 2026
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