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Bad Outboard Impeller?
The warning alarm is going off on my '97 150 HP Mercury outboard. I was
ready to change the impeller since water doesn't come out the pee hole for about 30 seconds after a cold start, and the stream doesn't seem as strong as usual. What didn't make sense is that the alarm goes off as soon as the engine is started. It seems to idle around 160 F with ear muffs on. I tried switching the garden hose back and forth between the ear muffs and the fitting next to the pee hole to try to flush any junk out. After about three repetitions the alarm stopped going off but came back on after I started the motor a few more times. Thanks for any help, Jim |
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On 17 May 2005 22:36:46 -0700, "mjb920" wrote:
The warning alarm is going off on my '97 150 HP Mercury outboard. I was ready to change the impeller since water doesn't come out the pee hole for about 30 seconds after a cold start, and the stream doesn't seem as strong as usual. What didn't make sense is that the alarm goes off as soon as the engine is started. It seems to idle around 160 F with ear muffs on. I tried switching the garden hose back and forth between the ear muffs and the fitting next to the pee hole to try to flush any junk out. After about three repetitions the alarm stopped going off but came back on after I started the motor a few more times. There are some strong Merc guys here who might have some specific information, but I would guess that it's the impeller. Later, Tom |
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It sound like your impeller is shot, but I would also check the
thermostat and find the back flush screw and back flush the system to clear any crud. But I would bet that the motor is clean and its the impeller. Good Luck Dave |
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Make sure it is not your low oil warning horn you are hearing. If not -
change the water pump. -- Tony my boats and cars at http://t.thomas.home.mchsi.com - "mjb920" wrote in message oups.com... The warning alarm is going off on my '97 150 HP Mercury outboard. I was ready to change the impeller since water doesn't come out the pee hole for about 30 seconds after a cold start, and the stream doesn't seem as strong as usual. What didn't make sense is that the alarm goes off as soon as the engine is started. It seems to idle around 160 F with ear muffs on. I tried switching the garden hose back and forth between the ear muffs and the fitting next to the pee hole to try to flush any junk out. After about three repetitions the alarm stopped going off but came back on after I started the motor a few more times. Thanks for any help, Jim |
#6
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On 17 May 2005 22:36:46 -0700, "mjb920" wrote:
The warning alarm is going off on my '97 150 HP Mercury outboard. I was ready to change the impeller since water doesn't come out the pee hole for about 30 seconds after a cold start, and the stream doesn't seem as strong as usual. What didn't make sense is that the alarm goes off as soon as the engine is started. It seems to idle around 160 F with ear muffs on. Outboards are for wimps. Get a real boat. Me and the wife http://pg.photos.yahoo.com/ph/harkra...bum?.dir=/1323 |
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Harry.Krause wrote: On 17 May 2005 22:36:46 -0700, "mjb920" wrote: The warning alarm is going off on my '97 150 HP Mercury outboard. I was ready to change the impeller since water doesn't come out the pee hole for about 30 seconds after a cold start, and the stream doesn't seem as strong as usual. What didn't make sense is that the alarm goes off as soon as the engine is started. It seems to idle around 160 F with ear muffs on. Outboards are for wimps. Get a real boat. Me and the wife http://pg.photos.yahoo.com/ph/harkra...bum?.dir=/1323 Guess that's a fake Merc in your boat photo, obviously to conceal the actual inboard or I/O. |
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"mjb920" wrote in message oups.com... The warning alarm is going off on my '97 150 HP Mercury outboard. Which one? -- -Netsock "It's just about going fast...that's all..." http://home.columbus.rr.com/ckg/ |
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