REPLACEMENT CDI for YAMAHA 1978~1981 Motorcycles
Verify 3M2-20 stamped on side of CDI box
Replaces Yamaha Models: (possibly others models within same years)
78-81 DT 175 (assume DT 125 also),
77-78 DT250/400, IT400 & YZ400
79-81 MX 175
80-81 YT, YTM 125, 175, 200
*Likely some IT models up to 465cc
(confirm your old CDI wires match listing below before ordering)
Plugs directly into the original OEM wiring harness. No wire splicing or cutting necessary. Mounts in original location using OEM strap.
This is the 6-wire CDI, using bullet type Male/Female terminals.
Follows OEM timing profile & harness. No timing change and no wire splicing required. A plug-n-play installation that will bring back the spark you’ve been missing!
6 wire CDI: Bullet type Male/Female terminals
White/Red: MALE
Black/White: FEMALE
Black: MALE
BLACK: FEMALE
Orange: FEMALE
Brown: MALE
Yamaha OEM Stator Values (+/- 10% is typical from service manual)
BROWN to BLACK = 300-ohms
RED/WHITE to BLACK = 10-ohms
