1980 Johnson 2HP Service Manual, Page 37Get this manual
5-4 dRemove connecting rod need1esand 30 need1e bearingsAvoid 10ss of
Remove screws and 10wer main bearing and sea1 housingNeed1es not retained in housingsure 28 need1es remain in housingSee Figure 5-7The 10wer main bearing and sea1 not serviced separate1yIf bearing sea1 damaged, entire assembly must rep1aced{Remove crankshaft through bottom of crankcasegReinstall rod rodSee Figure 5-16Push piston through cylinder (toward cylinder head end) piston rings exposedRe move piston ringsSee Figure Remove piston and rod through front (carburetor end) crankcaseDO NOT try to save the ringsInstall set new rings every powerhead service jobhIf ne cessary remove piston from connecting rod, remove wrist pin retaining rings, using need1e -nose pliersSee Figure 5-8Drive wrist pin through to free piston connecting rodSee Figure 5-9
Figure 5-5Exhaust Cover Removed
DNOTE One side of piston is marked "L" insideWhen wrist pin is to removed, "L" side of piston must and driving to01 must applied to 100se endcarefu1 not to distort pistonSee Figure 5-10