DT 9.9 Thermostat Question

karlkork

Recruit
Joined
Feb 26, 2010
Messages
5
I have a 1986 DT 9.9 engine that the thermostat had been removed by the previous owner. I ordered
and received Suzuki thermostat 17670-93962 and I'm not sure how it is installed. It looks like it is
designed to be pushed all the way into the thermostat housing but that looks like it would prevent
any water from entering and I'm not sure how it could be removed as there is nothing to grab onto.
Also, Does anyone have any input on the use of a thermostat in these engines in terms of performance?
Thanks, Karl
 

robert graham

Admiral
Joined
Apr 16, 2009
Messages
6,908
Re: DT 9.9 Thermostat Question

The thermostat is a necessary part of your motor's cooling system...allows motor to reach and maintain a good operating temperature. It open and closes as the temperature changes, just like on an automobile...
 
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