2008 Arctic Cat ThunderCat ATV Service Manual, Page 87Get this manual
BEngage the tabs (C) of the fuel level sensor into the mounting slot (B) and press toward the bottom of the fuel pump to latch in place; then connect the two-wire connector (A)INSTALLING 1Mark the new fuel pump with reference mark in the same location as the removed pump; then place the new gasket on the pump2Remove the material covering the fuel pump opening; then carefully guide the fuel pump into position taking care not to damage the float or float lever
3Rotate the fuel pump until the match marks align; then install the mounting screws and tighten securely using crisscross patternNOTE: It is important to install the fuel pump with the correct orientation to ensure adequate float lever clearance
4Connect the wires, fuel hose, and spring clamp; then turn the ignition switch to the ON positionNote that the fuel pump runs momentarily and the fuel gauge indicates the proper fuel level5With the transmission in neutral and brake lever lock engaged, start the engine and check for normal operationCheck for any fuel leaks6Install any wire ties that were removed; then install the rear fenders, rack, and seat making sure the seat locks securely