1977 Johnson 2HP Outboards Service Manual, Page 39Get this manual
Figure 5-8Removing Retaining Rings
Figure 5-9Removing Wrist Pin
Figure 5-10"L" Mark Piston
piston, break the glaze using fine cylinder honefew and down motions of the tool in the cylinder should sufficient to remove the glazeSee Figure 5-11GASKET SURFACES Remove taces of dried cement from gasket surfaces, using trichlorethyleneCheck gasket faces for f1atnessUnder certain conditions, gasket faces warp or spring, particularly where thin sections or f1anges are employed and are subject to temperature changescheck for f1atness, sheet of No120 emery cloth surface plate or piece of plate glassthe part to surfaced the emery cloth and move slowly back and forth several times in figure motion, exerting light, evenly distributed pressureIf the surface is actuaHy warped or sprung, high spots making contact with the surface plate will take dull polish, while the 10w areas will have retained their original stateinsure f1atness over the entire surface, continue surfacing until the entire gasket surface has been polished to dull lusterFinish surfacing with No180 emE!ry clothSee Figure 5-12