2008 Arctic Cat 400/500/650/700 ATV Service Manual, Page 328Get this manual
2Check for flashing EFI icon on the LCDIf EFI is flashing, see ECU Error Codes (EFI Models) in Section 53Make sure there is sufficient, clean gas in the gas tank4Verify that the battery is sufficiently charged to crank the engine over at normal speed5Check the air filter housing and air filter for contaminationClean or replace as necessary (see Section 2)PR162C
REMOVING 1Turn the ignition switch to the OFF position; then remove the ignition switch key
5Place the throttle actuator cover into position on the carburetor; then secure with the screw
! WARNING
Do not turn the ignition switch to the ON position with the hoses removedGasoline will be pumped by the electric fuel pump causing safety hazard
2Disconnect the battery; then remove the seat3Remove the storage compartment cover and air filter housing cover; then remove the air filter4Loosen the clamp securing the air filter housing boot to the throttle body inlet; then remove the boot from the throttle body
6Position the carburetor in the air cleaner boot and intake pipe assembly; then secure with the clamps7Connect the hose from the carburetor to the gas tank8As necessary, secure the air-intake snorkel, the air filter housing cover, or the air filter housing9Install the seat