I moved from Colorado to Florida and need to rejet. Model: 2008 YZ450F Edit Revision Date: Main Jet:162 Now from Colorado 5000ft Pilot Jet:48 Now from Colorado Starter Jet: 72 Now Leak Jet (if any): Fuel screw/Setting: 2.5 Needle/Position: I think middle. Filter: No Toil Pipe/muffler: Dr D Piston is 13:75:1 Altitude Range: Sea Leavel Temp Range: 85 Humidity Range: By the Beach I moved from Colorado to Florida. Bike has a 13:75 to 1 piston in it with a DR. D pipe. I am now at sea level.