Tune-up settings 165HP 6 cylinder Mercruiser?

[Skipster1]

My tappets are sounding off pretty loud and I need to know what the proper clearance should be?<br />Thanks,<br />Skiph

 

[KCLOST]

Re: Tune-up settings 165HP 6 cylinder Mercruiser?

Wrong forum....<br /><br />You will find much more help in I/O or Inboard Repair Furum...

 

[MooseHootie]

Re: Tune-up settings 165HP 6 cylinder Mercruiser?

Is it a 4.3 motor ? In 1988 they had a roller cam installed.

 

[Bondo]

Re: Tune-up settings 165HP 6 cylinder Mercruiser?

Hydraulic Lifters...........<br />Loosen till they Clatter,<br />Tighten till Quite,<br />Then another Turn........