Pressure Test
- Remove air cleaner assembly and disconnect fuel line at carburetor. Connect pressure gauge with restrictor and a flexible hose. See Fig 1 . Turn ignition on and briefly vent the system into container by opening hose restrictor.
- Pressure should stabilize at 2.8-3.6 psi (.19-.25 kg/cm2 ). If not within specifications, and lines and filter are in satisfactory condition, replace pump.