High Performance CDI Box For ATC 200M 200S 200X TRX200 And ATC250R 1983 1985 Replacement OEM Module Helps Spark Timing And Engine Start Like A Boss

CDI Module Box Replacement for ATC 200M/200S/200X & ATC250R
✔️ Single 1x CDI Module Box, direct plug-in OEM replacement

The CDI module is a direct replacement ignition box used on ATC three wheelers and ATC250R bikes from 1983 to 1985. It upgrades spark timing, improves starting, and ensures reliable ignition performance in classic two-stroke engines.

✅ Direct plug-in replacement for OE CDI units
✅ Compatible with ATC 200M, 200S, 200X and ATC250R (1983-1985)
✅ OEM part numbers included: 30400-965-010, 30401-KE4-651, 30410-964-003, 30410-964-671, 30410-965-003, 30410-965-013, 30410-968-003
✅ One plug and six pins, direct plug-in to OE harness

💡 What is a CDI module used for in small engine ignition systems and how does it affect starting and timing?

In simple terms, it's the timing brain for spark events.
1) It controls when the spark fires for efficient combustion
2) It helps with cold starts and steady idle by keeping timing consistent
3) It makes replacing worn boxes easy on classic two-stroke machines