I got a 400ex that wont start unless it jumped off a car or booster pack. . runs fine once started. New battery, Regulator, and wiring harness. I have swapped from a good running 400ex the COIL, switches.

The stator tested

BL/R-GND .90 ohms
BLue/yellow-green white was 240 ohms

Yellow-Pink. .5 ohms

It does have a aftermarket CDI box and I heard they require more power??? I