2006 Arctic Cat DVX 400 Service Manual, Page 84Get this manual
Gas Tank ! WARNING
Whenever any maintenance or inspection is made on the fuel system during which there may be fuel leakage, there should be no welding, smoking, open flames, etc in the areaATV-0047A
Engine RPM (Idle)
To properly adjust the idle RPM, tachometer is necessaryTo adjust idle RPM, use the following procedureNOTE: The idle adjustment screw is located on the right-hand side of the carburetor
NOTE: The fuel valve is an automatic-off diaphragm styleFuel will flow only when the engine is being started or when it is running; however, in the prime position, fuel will flow unrestricted to the carburetor
REMOVING
1Ensure that the fuel valve is not in the PRI position2Remove the seat; then remove the gas tank3Remove the body from the frame (see Section 8)4Disconnect the hose (1) from the carburetor to the gas tank at the tank connection; then disconnect the vacuum hose (2)