Sailing Jibsea · video

What this video covers

A Yanmar 4JH-TE engine on a Hunter Passage 42 develops an oil leak from the O-rings on the throttle and stop lever assembly.8:57 Accessing the governor housing requires removing the oil pressure sender, throttle cable, and stop lever cable.10:58 The bottom port-side bolt on the governor housing presents significant clearance issues, necessitating the use of a custom-ground socket to clear the engine block.11:26 To manage reassembly, the mechanic maps the varying bolt lengths on a diagram to ensure correct placement.13:43 The repair involves removing snap rings and a through-pin to access and replace the internal O-rings.15:34 Draining the engine oil before disassembly is recommended to prevent spills during the removal of the governor unit.13:33 The repair successfully addresses the leak without requiring the removal of the fuel injection pump.12:10

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