thick

It has been happening like a thick fog now for some time, you just plough on and get the job done but I recently fitted a sprucwe up kit to a dell orto 409mm carb and to get thew float arms right I had to bend them up. I have noticed this before and not thought too much of it but a job this...

I installed a couple of the ultra thick tubes and new tires before yesterdays race. My question is.."How should a change my suspension to accommodate the extra weight.?" I felt like I was getting pounded. I was running about 18LB of air F/R. Granted I could have run less air. But since it was 80...