2004 SR Johnson 2 Stroke 9.9, 15, 25, 30 HP Outboards Service Manual, Page 145Get this manual
FUEL SYSTEM FUEL SYSTEM TESTS Solenoid Valve and Seat Test Remove solenoid to perform this testRefer to Removal on p146Lightly pressurize inlet fitting with alcohol and syringeWith lever in run position, no fluid should enter inlet fittingWith lever in prime position, fluid should come out both inlet fittingsfilled with isopropyl alcoholPress lightly on the syringe
Results: Fluid moves through passage, it is clear Fluid does not move through passage(s), or excessive restriction exists, clean intake or carburetor fitting(s) with Nipple Cleaning Tool, PIN 326623, and retest
1Run position 2Prime position
Primer Pump Tests
Running Test(
STEP Start engine and allow it to reach normal operating temperatureSet engine speed at 2000 RPMWhile engine is running, operate the primer knob and observe engine speedTurn engine OFF