11. FUEL SYSTEM STRYKER 125/150 AUTO FUEL VALVE No Smoking! Disconnect the fuel tube and vacuum tube from the carburetor. Connect a vacuum pump to the vacuum tube and apply vacuum. Check if fuel flows out. · The valve is operating normally if fuel flows out of the fuel tube when the vacuum is applied. Auto Fuel Valve · The fuel shall stop flowing out when the vacuum pump is disconnected. If the fuel valve does not operate normally, Check the vacuum diaphragm for poor installation or damage and inspect the fuel tube for clogging. INSTALLATION Install the fuel tank in the reverse order of removal. 11-17