Crankcase oil catcher with an aperture and seal

A crankcase oil catcher configured to be provided above a crankshaft of an engine and below an associated piston, the crankcase oil catcher comprising:

• one or more surfaces configured to catch dispersed oil in a crankcase and direct the oil along the surfaces of the crankcase oil catcher away from a crankcase casing wall and towards a crank sump;
• a first aperture for a connecting rod of the associated piston to pass through;
• and
• a seal provided around the first aperture, wherein the seal is configured to seal against the crankcase casing wall around an opening into an engine cylinder in which the associated piston resides and provide a seal between the engine cylinder and a gap between the crankcase oil catcher and the crankcase casing wall,
• wherein the crankcase oil catcher further comprises one or more fixing mounts that span the gap.