Thread: RPM minimum
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Old 08-28-2014, 09:43 PM   #13
Marin
Scraping Paint
 
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Join Date: Oct 2007
Posts: 13,745
Quote:
Originally Posted by manyboats View Post
Speaking of that I think your operators manual idle rpm of 850 is probably best for typical trawler applications..
Actually, that is the manual's description of the idle speed for the FL135. The manual for our FL120s specifies an idle speed of 600-700 rpm. Our engines idle at 650, and there is nary a discernable bump when the transmissions are shifted into forward or reverse. It's been that way for the 16 years we've owned the boat.

Interestingly, 600 rpm (or thereabouts) is also the idle speed of every one of our vehicles, including the Range Rover (small V-8), the Subaru (Flat 4), 1973 Land Rover (straight 4) and our new F-150 (big V-8).
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