Set DEFAULT_Y_OFFSET to 4 mm for MK3 printer.

Firmware/variants/1_75mm_MK3-EINSy10a-E3Dv6full.h

@@ -76,7 +76,7 @@ const bool Z_MIN_ENDSTOP_INVERTING = false; // set to true to invert the logic o
 #define NUM_AXIS 4 // The axis order in all axis related arrays is X, Y, Z, E
 #define HOMING_FEEDRATE {3000, 3000, 800, 0}  // set the homing speeds (mm/min) // 3000 is also valid for stallGuard homing. Valid range: 2200 - 3000
 
-#define DEFAULT_Y_OFFSET    2.5f // Offset of [0;0] point, when the printer is not calibrated
+#define DEFAULT_Y_OFFSET    4.f // Offset of [0;0] point, when the printer is not calibrated
 
 #define DEFAULT_MAX_FEEDRATE          {200, 200, 12, 120}      // (mm/sec)   max feedrate (M203)
 #define DEFAULT_MAX_ACCELERATION      {1000, 1000, 200, 5000}  // (mm/sec^2) max acceleration (M201)