2004 SR Johnson 2 Stroke 9.9, 15, 25, 30 HP Outboards Service Manual, Page 132Get this manual
IGNITION IGNITION PLATE SERVICING
2530 MODELS
Loosen the five screws attaching the ignition plate to the retainer plateLift the ignition plate from the powerhead
Installation
9.915 MODELS
Place the retainer plate, then the support plate on the powerheadAlign support plate with four screw holes in powerheadApply Nut Lock to threads of the four support plate screwsInstall the screws and torque to 48 to 60 inIbs(5 to 7