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Marine perkins 4108 reverse gear noise

dancamp

New member
"I've got a Offshore 40&#3

"I've got a Offshore 40' sailboat with a Perkins 4-108 that runs fine in forward gear. However, in reverse gear the gear box area makes a horrible loud wining noise that scares me. Does anybody have any idea what is causing this noise and if it is a sign that something is about to break, and what, if anything, I should do about it. Cost of repairs? etc.
thanks much"
 
I checked out the gearbox and

I checked out the gearbox and found some numbers on it which say "Velvet Drive AS1-7??". I also see written a "MODE 1-1" . So from what I gather it was one of the first ones made. Hope this helps
thanks
 
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