In your maintenance kit there is suppose to be documentation. For Mk IV and V's with a counterweight the suggested springs for SME IV, V and 345 are:
Left front, Yellow
Left rear, Yellow
Right side Green
Without the counterweight it would be white, yellow, green.
You may still want to call or write Oracle to verify
Left front, Yellow
Left rear, Yellow
Right side Green
Without the counterweight it would be white, yellow, green.
You may still want to call or write Oracle to verify