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MERCURY BUZZERS BOX

  • Thread starter LLOYD E MCDONAL JRD
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LLOYD E MCDONAL JRD

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I HAVE A 2.5LITRE 150HP MERCUR

I HAVE A 2.5LITRE 150HP MERCURY THAT THE BUZZERS KEEP GOING OFF AND NOTHING IS WRONG HEAT OR OIL. WHAT IS THE BOX CALLED THAT CONTROLS THAT AND HOW MUCH DOES IT COST. THANKS
 
"TONY,

THANKS, I HAVE BEEN

"TONY,

THANKS, I HAVE BEEN TO TWO DEALERS DOWN HERE IN FLORIDA AND THEY DIDN'T KNOW WHAT I WAS TALKING ABOUT. DO YOU KNOW IF IT IS COMMON FOR THAT PART TO GO BAD THIS IS MY 2ND ONE IN THREE YEARS.

LLOYD"
 
"Lloyd,

If you post the ser

"Lloyd,

If you post the serial number of the engine we can look up the part number for you..."
 
"How could they not know what

"How could they not know what that is?
uhoh.gif
The serial # can't be 06#####, that must be a letter. Maybe a G?
That box does not control the oil injection, just checks the gears and tank level.There is a prossess to go through to troubleshoot that.
Start by removing the pump, coupler, and shaft to check the gears and the magnet coulper. (false alarm or not?) Trace the green wire to see if it goes into the #3 coil primary connection on the switch box. That is the only place that can be. I'm assuming the ign is working right. "
 
"BANDIT,

I HAD A MECHANIC W

"BANDIT,

I HAD A MECHANIC WORKING ON MY BOAT AND HE RETIRED BECAUSE HE HAD BOTH KNEES REPLACED. HE KEPT MY BOAT RUNNING GREAT UNTILL THAT. HE CHECKED THE OIL PUMP GEARS, WATER PUMP AND FOUND NOTHING WRONG EXCEPT THE BUZZER WERE GOING OFF. IGN IS WORKING FINE. MY SON AND I WERE FISHING WHEN IT HAPPENED. HAD JUST PUT IN NEW THERMOSTATS ALSO. SERIAL #0G229158 YOU WERE RIGHT"
 
Hold on. This is and EFI unit.

Hold on. This is and EFI unit. Does this have the water probe on the fuel filter? With the module and red LED in the bottom left corner of the motor?
 
"BANDIT,

MY SON IS IN FIBER

"BANDIT,

MY SON IS IN FIBERGLASS REPAIR AT VOTECH AND THE BOAT IS OVER THERE FOR NEW CARPET AND GEL COAT REPAIR. SO WE WILL CHECK AND SEE AND GET BACK WITH YOU. THANKS

LLOYD"
 
"TO ALL INVOLVED WITH THIS SIG

"TO ALL INVOLVED WITH THIS SIGHT YOU GUYS' ARE GREAT QUICK WITH RESPONCE AND INFORMATION. THANKS VERY MUCH FOUND THIS SIGHT BY SURFING.

THANKS AGAIN,

LLOYD"
 
THe ECU box may do this if it

THe ECU box may do this if it sees a sensor failing for the fuel injection. You may need a code reader at the shop.
 
"Trying to get a 1986 200 blac

"Trying to get a 1986 200 black max up and running again. Power head was rebuilt 6 years ago and only has 50 hours on it. Didn't use it at all last year due to not charging-oil warning buzzer and running hot. Everything but hot running seems to be fixed. Just put in 2 new 120 thermostates and new water pressure gauge kit. At time of rebuild newer heads with larger water jackets were installed. Inside heads are nice and clean when I put the thermostates in. Good strong pee tail. Preasure never gets above 12 lbs. Took it out for a sea trial and presure dropped of to 3 lbs idling up my canal. Temp gauge went almost all the way to hot. Turned around and came back. Running normal at dockside but pressure is about 10 lbs at 3000 rpm. What now??? I had a used 100 black max (first year) when I was a teen up in New England. Just mounted it on my old Thompson bass boat and never did a thing to it. AAHHHH the good old days. Thanks a lot, you guys have been a great help so far."
 
Installed 2 new thermostates.

Installed 2 new thermostates. Don't know what or where the poppit valves are. Please advise.
 
"Found the poppit valve and to

"Found the poppit valve and took it out. Does have some corrsion build up but no tears in the rubber diaphram. Going to install a new kit anyway.
Have another hot motor. This is a 77 Johnson 15hp electric start on a 14' skiff. Bought it from a old man who hasn't used it in years. Started right up and runs fine, but very little water coming out the pee hole. I have put a new impellar kit in, but still wont pump. Is there a thermostat or poppit valve in this motor. I have the lower unit off again. What is the best way to blow through the water lines to desolve and remove old sand and corrosion? Thanks"
 
Your Johnson may need a water

Your Johnson may need a water tube grommet under the P/H. I have had that happen many times. Most did have 'stats.
 
Sounds like that grommet under

Sounds like that grommet under the power head is a big job?? yes/no> Where is thermostat on that johnson 15 hp? Thanks
 
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