07 WR450F gurgles in all gears with throttle wide open (95-100%) Mods- Grey wire Air Box Exhaust pea shooter removed (Street Legal- Hi/lo beams, brake light, horn and DOT tires) Throttle Stop replaced JD kit per email from JD: 168 Main Red needle -clip in 5th position Adjustable Fuel Screw (2 turns) Accerator pump- thick rubber washer AIS has not been removed ACV has not been disabled TPS has not been disabled Live in Michigan - 800' MSL and 78 degrees F. Could it be the TPS? Other than the gurgle, seems to run smooth. Thanks in advance for your help. Doug One other thing......the seat hurts my ass. Got anything for that?