Looks good without the headlight and I’ve seen people do a key delete, it’s just a jumper plug for the key harness. Buy you could also just leave the key on and tuck it away.
Simple green is still the go to! I’m curious whether you feel a difference with the large aluminum skid plate. They change the frame flex characteristics of a bike. I actually noticed it quite a bit when I ran one way back in the day on my 03 KX125.
