1997+ Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-826148R2, Page 172Get this manual

1997+ Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-826148R2, Page 172

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Specifications BLOCK REED VALVE OPENING STROKE CYLINDER BORE PISTON PISTON RING Type Displacement Opening (MaxAllowable) Length DiaStandard TaperOut of Round Max DiaStandard End Gap With ThermostatPop