2004 SR Johnson 2 Stroke 9.9, 15, 25, 30 HP Outboards Service Manual, Page 21Get this manual
SPECIAL TOOLS AND SERVICE SPECIFICATIONS SPECIAL TOOLS
Ignition analyzer PIN 501890
Ignition coil terminal extender PI 502054
Spark checker PI 508118
Tachometerl timing light PI 507980
Ball hex screwdriver PI 327622