1978 Evinrude Outboards 9.9/15HP Service Manual, Page 60Get this manual
REFERENCE PICTURE THERMOSTAT
eRemove by-pass cover and gasketSee Figure 5-14
Figure 5-12Cylinder Head Cover Removed cRemove cylinder head cover, gasket, thermostat and sealSee Figure 5-12Figure 5-15Intake Manifold Screws (Six)
fRemove six intake manifold screws, intake manifold, leaf plate assembly and gasketsSee Figure 5-15
Figure 5-13Cylinder Head Removed dRemove cylinder head and gasketSee Figure 5-13Figure 5-16Driving Out Taper Pin SAFETY WARNING STRIKING STEEL TOOL WITH STEEL HAMMER MAY PRODUCE CHIPS WHICH CAN CAUSE SERIOUS DAMAGE TO EYES SAFETY GLASSES MUST BE WORN TO PREVENT INJURYgDrive out taper pinSee Figure 5-16E u