1995 Johnson Evinrude "EO" 9.9 thru 30, 2-Cylinder Service Manual, P/N 503146, Page 19Get this manual
Gearcase Gear Ratio Lubricant Capacity Shift Rod Height
13:28 (0.46) 25 Comm 28- 12:21 (0.57)
OMC Ultra-HPF Gearcase Lube
11 floz(330 ml) 25 Comm 28floz(245 ml) See Page 6-32
Ignition System Type Power Pack RPM Limit Ignition Coil Magneto Powered Capacitor Discharge 20-30 Rec- 6100 25 Comm- 5700
OMC PIN 582508
Spark Plug, Champion Sustained High Speed 0L16V Fixed Gap QL78V Fixed Gap
Model 20, 25 28,30 25 Comm
Recommended OL77JC4 0.030 in(0,8 mm) 0L16V Fixed Gap