Building an Adjustable Sensitivity CDI with Dual RPM Outputs 🎥
In this video, we go through the steps to design and build a professional CDI that features adjustable sensitivity and dual trigger outputs for both low and high RPMs! 🔧⚙️
📌Characteristics.
✅Easy to build.
✅Advance curve slightly adjustable.
✅Need a working charging coil for the capacitor.
✅Don’t need a battery
✅No rev-limiter
✅ Working with double trigger motorcycles
⚙️Sensitivity adjust
This CDI advance, it jump directly from 12° to 36°.
The moment where the CDI jump from Low advance (12°) to Full advance (36°) is adjustable by resistor R3
– The threshold is adjustable from 2000 to 8000 rpm
👉Start tuning with R3 at the maximum value (totally screw) which is equivalent to 8000 RPM then slowly unscrew it to lower the resistance, therefore the RPM where it switch.
📝TIPS:
1_jumper allow you to adjust the sensitivity according to your pickup coil connected on 36° input.
2_If the bike has only one pickup, connect it to the 36º input and leave the 12º input unconnected
🔹 What Makes This CDI Unique? With precise adjustability, you can optimize engine performance at both low and high RPMs, plus you have the flexibility to modify sensitivity based on your specific needs.
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New video ultimate CDI upgrade:👇👇👇
https://youtu.be/4sOMfLiFkzg
If you're interested in Motorcycles modification, ignition systems, or engine tuning, stick around until the end of the video to see the practical insights of this amazing CDI. Share your thoughts in the comments and don’t forget to subscribe for more awesome projects!
Intro: 00:00
Parts: 00:53
Drawing Diagram: 02:56
Homemade PCB: 10:12
Assembly: 11:55
Important details: 14:18
Install on single trigger motorcycles: 16:28
test with 36° output: 17:00
Sensitivity adjust: 18:05
Test with 12° output: 18:22
Outro: 19:22
RacingCDI:https://youtu.be/ggdoPfDqMCs?si=NpQB74AuVM0WXxy8
Charging system troubleshooting: https://youtu.be/1QcQZEVxGvY?si=gdTknQhapSU4N1aX
Diy CDI 02:https://youtu.be/6v9JCPBsgTU?si=Nv8J3Hui1l3H-kCP
Cdi full wiring: https://youtu.be/ZtO5bJKMQG8?si=yUzVn7Tg5UIJLxl2
Ignition Systems tutorial:https://youtu.be/Ej7AXRHle4g?si=NN3YjdcKMzBnzd1w