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Upgrade Your 2001 DS 650 with Big Gun CDI Boost

Posted on by William Zheng

Are you ready to unleash the full potential of your 2001 DS 650? If you’ve been wondering how the Big Gun CDI can elevate your ride, you’re in the right place. Understanding this powerful performance upgrade is crucial for any serious rider looking to enhance speed, throttle response, and overall engine efficiency.

In this article, we’ll break down how the Big Gun CDI works, its benefits, and the steps to install it properly. Get ready to take your ATV experience to the next level!

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Understanding the 2001 DS 650 Big Gun CDI

If you own a 2001 Can-Am DS 650, you might be curious about upgrading or replacing your CDI (Capacitor Discharge Ignition) system with a Big Gun Rev Box. This performance enhancement can significantly affect your ATV’s power delivery and overall performance. In this article, we will explore how the Big Gun CDI works, its benefits, installation tips, and more.

What is the Big Gun Rev Box?

The Big Gun Rev Box is an aftermarket CDI designed specifically for the Can-Am DS 650, particularly the models from 2000 to 2005. This ignition module modifies the timing and rev limit of your engine, allowing for improved performance.

Key Features of the Big Gun Rev Box:

  • Enhanced Performance: Increases horsepower and torque.
  • Higher Rev Limit: Allows your engine to rev higher than the stock CDI.
  • Improved Throttle Response: Provides quicker throttle response for a more exhilarating ride.
  • Easy Installation: Designed for a straightforward plug-and-play setup.


Rev Box - Can Am DS 650 Baja (02-05) - biggunexhaust - 2001 ds 650 big gun cdi

Benefits of Installing the Big Gun CDI

Installing the Big Gun Rev Box can transform your riding experience. Here are some benefits you can expect:

  1. Increased Horsepower: Many users report noticeable gains in horsepower, especially at higher RPMs.
  2. Better Acceleration: Enhanced throttle response leads to quicker acceleration off the line.
  3. Optimized Fuel Efficiency: A better-tuned ignition can lead to improved fuel consumption under certain riding conditions.
  4. Customizable Performance: Depending on your setup (exhaust, air filter, etc.), the CDI can help you achieve specific performance goals.

Installation Steps for the Big Gun CDI

Installing the Big Gun Rev Box is a manageable task for most DIY enthusiasts. Follow these steps to ensure a successful installation:

  1. Gather Necessary Tools:
  2. Socket set
  3. Screwdrivers

  4. Wire connectors (if needed)

  5. Prepare Your ATV:

  6. Ensure your DS 650 is on a stable surface.

  7. Disconnect the battery to avoid any electrical issues during installation.

  8. Locate the Stock CDI:

  9. The stock CDI unit is typically located under the seat or near the engine.

  10. Remove any panels or covers obstructing access.

  11. Remove the Stock CDI:

  12. Disconnect the wiring harness from the stock CDI.

  13. Remove the mounting bolts and take out the stock unit.

  14. Install the Big Gun Rev Box:

  15. Position the Big Gun CDI in the same place as the stock unit.
  16. Connect the wiring harness securely.

  17. Use the original mounting bolts to secure it in place.

  18. Reconnect the Battery:

  19. Once everything is in place, reconnect the battery.

  20. Ensure all connections are tight and secure.

  21. Test Your ATV:

  22. Start your DS 650 and let it idle for a few minutes.
  23. Test the throttle response and take it for a short ride to experience the improved performance.

Practical Tips for Using the Big Gun CDI

To maximize your experience with the Big Gun Rev Box, consider these practical tips:

  • Tune Your ATV: If you’ve made other modifications, such as upgrading the exhaust or air filter, consider getting a professional tune to ensure everything works harmoniously.
  • Monitor Engine Performance: After installation, pay attention to any changes in engine performance, such as unusual noises or changes in power delivery.
  • Check Connections Regularly: Periodically inspect the wiring and connections to prevent any issues over time.
  • Use Quality Fuel: For optimal performance, use high-octane fuel that can support the increased demands of your modified ignition system.

Cost Considerations

When considering the Big Gun CDI, keep in mind the following cost factors:

  • Price of the CDI: Prices for the Big Gun Rev Box typically range from $200 to $300, depending on the retailer.
  • Shipping Costs: If you order online, check for shipping costs, which can vary significantly between suppliers.
  • Installation Costs: If you’re not comfortable with DIY installation, hiring a mechanic can add $50 to $100 to your total costs.

Challenges to Consider

While upgrading to a Big Gun Rev Box offers many benefits, there are also some challenges to consider:

  • Compatibility Issues: Ensure that the CDI is compatible with your specific model year and any modifications you have made.
  • Learning Curve: If you’re new to ATV modifications, there might be a learning curve involved in installation and tuning.
  • Potential Warranty Concerns: Installing aftermarket parts may void warranties, so check with your manufacturer.

Concluding Summary

Upgrading to a Big Gun CDI for your 2001 Can-Am DS 650 can significantly enhance your ATV’s performance. With increased horsepower, better throttle response, and a higher rev limit, this simple modification can transform your riding experience. Just ensure you follow the installation steps carefully, consider the costs, and be aware of any challenges that may arise.

Frequently Asked Questions (FAQs)

What is a CDI?
A CDI, or Capacitor Discharge Ignition, is an electronic ignition system that stores and releases electrical energy to ignite the fuel-air mixture in the engine.

Will the Big Gun CDI void my warranty?
It may void your warranty if it alters the factory specifications of your ATV. Always check with your manufacturer for specific warranty details.

How much horsepower can I expect to gain with the Big Gun CDI?
While it varies based on other modifications, users typically report an increase of 5-10 horsepower with the Big Gun Rev Box.

Is professional installation necessary?
While many users can install it themselves, if you’re unfamiliar with electrical systems, professional installation is recommended.

Can I use the Big Gun CDI with other aftermarket parts?
Yes, the Big Gun CDI is designed to work well with other aftermarket modifications, but ensure they are compatible for the best results.

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