2008 Arctic Cat 400/500/650/700 ATV Service Manual, Page 338Get this manual
2Disconnect the gasline hose from the throttle body; then install suitable pressure gauge INSPECTING
! WARNING
Gasoline may be under pressurePlace an absorbant towel under the connector to absorb any gasoline spray when disconnecting
AT THIS POINT
If the pump has failed earlier test and must be replaced, proceed to INSTALLING
1Inspect the fuel screen and blow clean with low pressure compressed air2Move the float lever and check for free movementThe float assembly should return to the lower position without forceIf not, replace the fuel pump assembly3Test the fuel level sensor by connecting multimeter (A) to the fuel level sensor leads (B); then select OHMSThe multimeter should show ohms at full fuel position (C) and 95 ohms at empty fuel position (D)