Yamaha Tri-Moto • 125cc / 175cc

Tri-Moto ProTune CDI

ProTune CDI for Yamaha Tri-Moto 125cc and 175cc 3-wheelers. Modern ignition behavior for vintage machines that refuse to retire.

For Tri-Moto owners who want more than “it runs” and actually care how it runs.
125cc / 175cc
Vintage 3-wheeler
ProTune curve

Details & Specs

Built to give old Yamahas a sharper feel with better mid and top, while still respecting their age and cooling limits if you’re not insane.

Compatible Machines

  • Yamaha Tri-Moto 125cc
  • Yamaha Tri-Moto 175cc
  • Contact with model/year for exact confirmation

Behavior

  • Cleaner low and mid vs. tired stock ignition
  • More willing to rev when pipe and jetting allow it
  • Matched to typical trail/dune use, not drag-only setups

Install & Notes

  • Direct plug-in where applicable (confirm connector/wiring)
  • Works well with our Tri-Moto timing advance kit
  • Good grounds and healthy stator strongly recommended

Instructions & PDF Download

PDF will include wiring notes, baseline timing suggestions, and basic troubleshooting tips.

Download Tri-Moto ProTune 125/175 Instructions (PDF) – coming soon