Assuming nothing is bent (including steering components), and your front is is properly aligned then it’s probably weight distribution side to side.  Have you scaled it yet?  If not, start there and you’ll have a good idea of what to change.

If you don’t have access to good scale setup, then just invest in a set of cheap bathroom scales.  They work fine as long as you are careful and can repeat the scaling the same way each time. (well, that goes for a good scale setup too).

BTW: I remember reading somewhere you can scale with just one or 2 scales.  Maybe someone can chime in on that procedure….

How high off the ground is your seat? How tall are you?

How wide or narrow is your front track?

What air pressures are you running? And what kind of tires?

Are you running seat struts or not?

Look for cracks under the frame rails, it will cause that too.

Are you running front and rear torsion bars?

Let us know what chassis this is.

I would make changes in this order
1. Lower the seat so that the top lip is 8″ off the axle. Have the bottom 1/4″ below the frame.

2. Raise the rear axle to lower frame.

3. Thinking outside the box you can move the RR out 1/2″ and move the LR in 1/2″.

4. If allowed use wider wheels on the back.

Doubtful the scaling is going to make much difference unless the seat is very centered (which is almost impossible given a 206. A bigger driver on vega blues is at a big disadvantage and 2 wheeling is the common issue. You may be able to move the seat to the left slightly to help with the problem but it’s likely you already have 50% or more distribution on the left side.

I would also try removing the seat stays.

Lowering the seat is easily the biggest change you can make to fix your problem aside from widening the rear track (which you can’t). If the seat lip is more than 8 1/4″ from the top of the axle then that needs to be your first priority to tip it back along with lowering it below the frame. As a bigger driver I have dealt with the issues for a long time.

Jeff

Removing your seat strut won’t be good, it will hop like crazy and get more 2 wheeling.

Move your seat 2 inches forward, keep the back seat lip to axle close to 9″ or 9.5, It was also suggested to move seat to the left a bit, and that’s true, but only make a few adjustments 1st, don’t make too many adjustments at once.

I would totally move the seat forward and add another seat strut. You’re on the right direction buddy.

The extra struts plant the tires harder from weight transfer through the seat. Whoever told you different is wrong. Numerous karts in low hp settings do not run seat stays or remove them as grip levels increase at national events from increased rubber on the track. My statements are not opinions or things I was told by someone. I’m not fast by accident and neither are the people that have me work for them at national events. Im here to help not spend time debating. I can promise you if you follow all the steps I mentioned your problem will get solved. Plain and simple.

Listen to Gary.