Errr.... I am bit confused. Your front rear weight distribution is pretty close. On the figures you supply, it's:-
44% to 56%
In case you are having problems with the maths, it's as follows:-
Add the fronts 38+31 = 69
Add the rears 40+49 = 89
Find Total = 89+69= 158
Find front percent = front / total x 100 = 69/158*100= 43.67
Find read percent - rear / total x 100 = 89/158*100 = 56.32
Thus 44% and 56%
The quoted ideal is between 40-60 up to 45-55. You fit nicely in that band. Usually, you move weight forward for the wet and backward for the dry so.... you really are pretty well ideal!
You can test for yourself how important the 'side to side' weight distribution is for yourself. Set the kart on the scales, suit-up and helmet-up and sit in the kart. Now move JUST your head side-to-side and then backwards and forward and watch the change in the distibution.... it'll be a surprise. My point is that corner-weighting is a waste of time on a kart as simple things like how you sit alters the side-to side distribution anyway!
From here, you look ideal!
The next thing for you to try is moving the balance further forward and backward to 'feel' the change in handling. You can do this without moving ANYTHING except YOURSELF!
Drive the kart normally into a long corner and then try leaning FORWARD in your seat.... what you'll find is that the back steps-out VIOLENTLY... so be prepared to 'catch' it. You can also try this trick if you have understeer, for examp;e, in the wet. Try turning-in on a wet day in your normal seating position and then try the same corner but leant forward in your seat...... you'll FEEL the difference.
This will give you a good 'feel' for how UTTERLY CRITICAL is good weight distribution on your kart!
Ian
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Weight Distribution and Seat position by 'kartster' (12 Apr 2012 @ 0:28)
