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I have a brand new 2017 25hp with 3 hours on it. I went out to start it with muffs and no water came through pee hole. I turned off after about 20 seconds. I then started it in a barrel with water covering intake still no water pumping out. Any ideas whats going on ?
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They are fussy about which muffs they will work with. I had the same issue with my DF40A.
Get yourself a set of the small round muffs, they have softer rubber cups that work fine on the Suzuki's. Once I changed to them had no more issues. Make sure you have good water pressure on the hose, too.
In the drum, you likely didnt have the motor deep enough - the water must be a couple of inches above the cav plate on the motor. (The flat plate above the prop)
It is nowhere near enough to just have the intakes covered. -
I did the same thing a couple years ago with my new DF25A: put it in a barrel with enough water to cover the intakes, and turned it off after about 30 secs at idle when it didn't pee. About a year later (150 hrs?), it started overheating at idle, and I found that a couple vanes on the rubber impeller were broken. I posted photos of my impeller elsewhere on this site. I've drawn two conclusions from that experience:
(1) I believe/assume the water level must be high enough to cover the impeller to "prime the pump" when you start the engine. The impeller is about an inch tall, and is essentially bolted to the top of the removable "foot" of the motor. So the water must be an inch or so above the top of the foot for the impeller to prime. This is normally the case when the boat is sitting in water, though when you start planing, the motor will probably rise above this level. But the impeller is already pumping at that point, so it's OK.
(2) I assume that the 30 seconds or so that I ran my new motor without pumping was enough to cause premature failure of my impeller, i.e. I assume the impeller should/will last longer than a year! When mine failed, it failed only at idle, working fine at higher RPM. And the motor reported an overheat warning and went into limp mode. At idle I could see the engine temp climbing on my SMIS display. You may want to read up on that condition and keep your eyes open... If you don't have an SMIS setup, you should get an overtemp LED on the motor if it happens.Comment
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