I had a Perkins
4-108 in my last boat and it didn't like to start in cold weather
either. I tried a few tricks..
- turn it over for 30 seconds and then wait for the heat to spread through the engine
then try it again.
-spray WD40 in the air intake to clean things up. This seems to make the engine
turn over more easily and the motor
would usually start. Although WD40 is not a lubricant I thought this might be less harmful than ether
If I had my boat in cold weather
a lot I think I would install an engine heater. I did this on my diesel
Mercedes when I lived in Canada
and it worked great.There is an engine heater that you can get that fits in the rubber coolant
hose that runs to the heat exchanger
. You just plug
it into a 110v outlet and it keeps the coolant
warm so the engine will start more easily. Just a thought.