over temp alarm on my yammy
Submitted by petermac on Sun, 2014-04-13 20:09
heading home from SWB I pretty much had the boat flat out when the over temp alarm came on I must admit it had been running at 4800rpm and some times more rpm for about 30 minutes when it came on , should I be worried ????????
Rob H
Posts: 5896
Date Joined: 18/01/12
yes you should be worried of
yes you should be worried of course, ignore an alarm at your peril.
Not sure what outboard you have but I dont know of many that should only be doing 4800rpm when flat out-is it over propped?
What sort of outboard is it?
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Taffy
Posts: 184
Date Joined: 04/11/10
Proberbly just a worn
Proberbly just a worn impeller, when was it last changed ?
boora
Posts: 43
Date Joined: 10/02/13
Weed?
Lots of floating weed lately in area, particularly once inside Warnbro Sound. My alarm came on today due to motor over heating caused by weed blocking intake. Just suggesting another possible cause.
collin g wood
Posts: 313
Date Joined: 18/04/11
Weed
Happened to me the other day, weed was wrapped around the leg blocking the intake.
sunshine
Posts: 2690
Date Joined: 03/03/09
Ribbon weed over the intake
Was really bad on Friday even way offshore - if it is only a few strands you wont hear a change in pitch on the engine but it sure as hell will cause overheating - just come to a stop, put into reverse to clear and then off you go again a lower revs until the temp drops back to normal
Boppo
Posts: 214
Date Joined: 08/03/09
Oil level?
My 40 yamaha will make the warning sound when the 2 stroke oil resiviour is low. If you have a 4 stroke then then it is probaly over heating
petermac
Posts: 2946
Date Joined: 03/03/10
had the blokes at rocky yamaha
the blokes at rocky Yamaha checked it today no fault found fingers crossed wont happen again (its a 80hp 4 stroke only done 74 hours)