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JA: . What is your issue regarding? Customer: I have a 1960
I have a 1960 Merc 400 short shaft 45 hp. I was about to replace the impeller and notice gearbox oil in the impeller housing and also in the cooling tube going to the power head. I had noticed the gearbox contained only water at the end of the season. So I need to replace the shaft seal, or the entire water pump housing. How do I do this? Thanks. … read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,730 satisfied customers
Hi We just bought a 1960s (165-1966) Mercury 6hp Twin serial
Hi We just bought a 1960's (165-1966) Mercury 6hp Twin serial number(NNN) NNN-NNNN Runs great but we are unsure if the impeller needs replacing as there is no water stream. Are there instructions on h… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,399 satisfied customers
After changing the impeller on a 84 Mercury 35 HP it wont shoot
After changing the impeller on a 84 Mercury 35 HP it wont shoot water out just air. What is the problem?… read more
Tan
Tan
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Certified Marine Technician
11,399 satisfied customers
I just aquired a boat that has an older 650 Mercury (65 HP
I just aquired a boat that has an older 650 Mercury (65 HP Outboard). The water output tube does not have a steady stream of water, very low slow "dripping" not a steady stream. Is this an indication … read more
capt ron 1959
capt ron 1959
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Vocational, Technical or Trade Scho
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Merc 25HP ELPT EFI 4S: Purchased new in 08 on a 20 pontoon
Merc 25HP ELPT EFI 4S: Purchased new in '08 on a 20 ' pontoon on remote Ontario Lake. Approx. 200 hours of variable speed motoring ( full out - trolling ) on lake with sand beaches. Engines turns off … read more
Tan
Tan
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2000 volvo 7.4 gi engine overheats new pump checked engine
2000 volvo 7.4 gi engine overheats new pump checked engine circulation pump replaced thermosat an back flushed hose, I suspect exh manifolds?… read more
orcamarine
orcamarine
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Vocational, Technical or Trade Scho
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1968 (?) merc. 65 hp. Hooked up the muffs at the water intake
1968 (?) merc. 65 hp. Hooked up the muffs at the water intake , but didn't get water out of the upper hole (engine pan) while running. SAhould there be a stream of water and if so where is the upper w… read more
Jeff G.
Jeff G.
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Vocational, Technical or Trade Scho
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Re: "Viking" (Johnson ) 25 HP sold in the 60s. I have above
Re: "Viking" (Johnson ) 25 HP sold in the '60's. I have above motor starting and running but it loses ability to pump water after about 2-4 minutes when cold and about 20 - 30 seconds after start when… read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
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I have a 2 cylinder 4hp Mercury outboard. I just replace the
I have a 2 cylinder 4hp Mercury outboard. I just replace the impeller. How do I know if it is pumping water? Is there a check to see that the installation was successful other than letting it overheat… read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
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Help! Water circulates thru block with garden hose attached,
Help! Water circulates thru block with garden hose attached, but not with outdrive in a tank. Impeller is new, works well. Thermostat is removed. I just pulled the water circulating pump. and it appea… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
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My 69 Arenacraft is equipped with a Mercruiser 160 I/O. The
My 69 Arenacraft is equipped with a Mercruiser 160 I/O. The engine block has a serial # XXXXX F04171BF and the outdrive has a serial number of(NNN) NNN-NNNN Last season, the engine seemed to run hot a… read more
K. Kergan
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Im changing the water impeller on a Merc EFI 200 1999. I bought
I'm changing the water impeller on a Merc EFI(NNN) NNN-NNNN I bought the new kit also liquid gasket materal. Can you walk me thru the basics . I did an old Johnson 25 hp a two years ago without much t… read more
Captain Dave
Captain Dave
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Master's Degree
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where is the water pump at on a 9.8 mercury I dont know the
where is the water pump at on a 9.8 mercury? I dont know the year butthe serial #(NNN) NNN-NNNN… read more
Jeff G.
Jeff G.
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Vocational, Technical or Trade Scho
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1997 Cobalt 200 with 5 l Volvo Pentadrive. Power went out,
1997 Cobalt 200 with 5 l Volvo Pentadrive. Power went out, got too cold on lift, and port exhaust manifold has a crack. Stbd manifold may have on, but only a drip - drip - drip. Can I run it to the de… read more
Whitecap36
Whitecap36
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older mercury 50hp just bought. runs good with hose hook up.
older mercury 50hp just bought. runs good with hose hook up. goes in gear runs good. put in water idles okay/ put in gear dies. there is a vacuum line? coming from lower unit that I cant fine where it… read more
capt ron 1959
capt ron 1959
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I have a 1960 Mercury 45 hp outboard motor, model MERC 400
I have a 1960 Mercury 45 hp outboard motor, model MERC 400 (E), can anyone help me find a blow up view of the lower unit ? I need to disassemble the " transmission " to get to the lower unit housing w… read more
FieldServiceTech
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I have a 150HP V6 Mercury engine S/N(NNN) NNN-NNNN I cannot find
I have a 150HP V6 Mercury engine S/N(NNN) NNN-NNNN I cannot find model # XXXXX year It needs a new impeller how do I get the info I need to order parts… read more
orcamarine
orcamarine
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Vocational, Technical or Trade Scho
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I am looking for a distrubtor cap for a 65hp mid 60s outboard
I am looking for a distrubtor cap for a 65hp mid 60's outboard motor. Do you know where I can get one? Thanks,John… read more
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