Hey guys, I am normally in the DRZ boards. I have a supermoto which I've played with the carb a little bit (rejetting) and I am familiar with that. I asked what jets/needle to use and it worked perfect for where we live (sea level-1000ft). I have no issues with that bike. I ended up getting a used WRF450 (2005). It already had some stuff done to it, but thank god I got everything that went with it. It has the AIS removed (and plugged off at the motor), has the gray wire mod (checked that last night), has the air box holes plugged up. Also the exhaust has been gutted as far as I can see, and a fatter tail pipe put on. It also has a JD jetting kit (I don't know which jets are in there, I DO know that the red needle is in there though). I am unaware of what clip it's at. It also has a red fuel screw with numbering on it. So I know that's not stock. It has a nasty surge at time, like it wants to just take off and rev's up. It hunts for idle just sitting, even after warming up. It's pretty warm as far as the exhaust feel. I am comparing to my DRZ, but it's HOT. The head pipe does glow if letting it sit which I read is a normal trait of the bike. I need to check the jetting to make sure it's right. I'll be mostly riding the bike 1000ft-4000ft at most. So my question is..........what jetting/needle should I be using for the elevation I'll be riding mostly? Also, I did read a tech section on checking/changing the jets. With the carb on the bike do I have to disconnect the throttle cables or can they stay and just rotate everything? They don't look so easy to disconnect. I want to get the jetting figured out, then if the idle/surging is still there go from there. If I take it around the block it seems to run fine but at slow going up a driveway speed it surges and wants to lurch, so there's no slow speed anything. I have to keep my hand over and on the brakes to get it go do a tight turn. Right now I have the tank off (ripped a fuel line) so I'll get a replacement for that, but wanting to know about the carb & jetting. I have a kit full of jets (whatever was left from the JD kit) and the blue needle as well as the stock needle. My DRZ I used the blue, so I am thrown off by the red that would be in the engine. Any help would be greatly appreciated.