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Same thing as yesterday. Still waiting for a response...
Same thing as yesterday. Still waiting for a response... … read more
Charles
Charles
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Certified Mercury Tech
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I have a 1986 25 hp 2 stroke, model J25RCOS. Purchased last
I have a 1986 Johnson 25 hp 2 stroke, model J25RCOS. Purchased last week. Previous owner says use 100:1 oil to gas mixture, but others are saying 50:1 b/c the 100:1 tended to lead to trouble. Who is r… read more
Jason
Jason
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Vocational, Technical or Trade School
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Dominick Bill this end ,,, i have a Mercury out board motor
Hi Dominick Bill this end ,,, i have a Mercury out board motor ,twin cylinder 2 stroke but an older 1 with the serial number(###) ###-####or it could be an 8 as the last digit is hard to read ,, Now i… read more
Charles
Charles
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My boat has a 40 hp evinrude with an oil injector. It has
My boat has a 40 hp evinrude with an oil injector. It has been setting a long time and I want to see if the oil injector is working or if I should go go mixing oil with fuel. How can I check oil injec… read more
Noel Schembri
Noel Schembri
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My 50 up yahama engine don't start of replaced plug fuel
My 50 up yahama engine don't start of replaced plug fuel filter. It turns over but back fairs though exhausr … read more
Jason
Jason
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50 hp 3 cylinder 2 stroke Mercury. Just rebuilt carbs and
50 hp 3 cylinder 2 stroke Mercury. Just rebuilt carbs and fuel pump. When I fired it up it idles really high with no control. Could this be air leak? … read more
Charles
Charles
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I have recently bought a boat with a 115hp 1996 mariner 2 stroke. The
I have recently bought a boat with a 115hp 1996 mariner 2 stroke. The previous owner told me the engine takes 50:1 ratio which ive added (i think?). Out on the water, the engine was running well until… read more
Jason
Jason
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Vocational, Technical or Trade School
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I have a 1988 Mariner Magnum ll 150 hp motor that is supposed
I have a 1988 Mariner Magnum ll 150 hp motor that is supposed to be oil injected. Being new to an oil injected motor, I cannot seem to find where to add or even check the oil. I know it is there somew… read more
Malta Tech
Malta Tech
Marine Tech
High School or GED
287 satisfied customers
I just bought a boat with a 1987 Mercury Classic 50, 45 hp
I just bought a boat with a 1987 Mercury Classic 50, 45 hp engine. My question is this: Do I need to mix oil with the gas or is this engine have a oil injector and run on straight gas? If I need to mi… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
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I have a 5.5hp Evinrude 1959 that was running fine till I was
I have a 5.5hp Evinrude 1959 that was running fine till I was advised to use a 25;1 gas oil mixture the engine exhaust smoked heavily but did run for a few minutes on this. I flushed all the gas out o… read more
Whitecap36
Whitecap36
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Vocational, Technical or Trade Scho
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i have a 1996 kawasaki 900zxi 2 stroke and when i bought the
i have a 1996 kawasaki 900zxi 2 stroke and when i bought the ski the previous owner told me to mix 16:1 which is 8 ounces per gallon but i have noticed my jetski giving off excessive smoke so i did so… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
My 8 hp, 1998 model , two stroke, is smoking excessively.
My 8 hp, 1998 model , two stroke, is smoking excessively. What could be the Trouble. I tried adjusting the fuel mixture.… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
Hi there, I have a two stroke 3.5 hp S Nbr 0627473 Model Nbr
Hi there, I have a two stroke 3.5 hp S Nbr(NNN) NNN-NNNN Model Nbr(NNN) NNN-NNNNdont know how old. I need to know the petrol/oil ratio . Thanks very much.… read more
Scott Martin
Scott Martin
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Vocational, Technical or Trade Scho
167 satisfied customers
Just last week I was very lucky to have found a diamond in
Just last week I was very lucky to have found a diamond in the rough.It is a 1964 14'fiberglass starcraft boat motor & trailer,with a 60 hp johnson all original.This is where my questions come in.Will… read more
Captain Dave
Captain Dave
Marine Mechanic
Master's Degree
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Mercury 25-30 HP 2007 Had restrictor removed with last service
Mercury 25-30 HP 2007 Had restrictor removed with last service to make 30 HP, it now has a lots more smoke at idle, would timing affect that and could you give me the method of checking it, I am a mec… read more
Expert
Expert
I am a first time boat owner and have a pontoon with a 4 stroke
I am a first time boat owner and have a pontoon with a 4 stroke 60 hp Mercury outboard moter. I was winterizing the moter and accidently put about 6 oz of marine lubricant in the lower unit case befor… read more
Captain Dave
Captain Dave
Marine Mechanic
Master's Degree
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My husband just purchased a pantoon with a mercury 402 40 hp
My husband just purchased a pantoon with a mercury 402 40 hp motor, s/n(NNN) NNN-NNNN How can I find out the year? Is it a 2 stroke? Does it need an oil/gas mix? What is the mix? Thank you.… read more
orcamarine
orcamarine
Proprietor
Vocational, Technical or Trade Scho
7 satisfied customers
I have a mercury big foot motor 25 hp. I bought the boat ...
I have a mercury big foot motor 25 hp. I bought the boat used, had a used 70hp merc 2 cycle. I made a mistake on the oil,I added 2 cycle oil in the 4 stroke motor. I didn''t realize the mistake until … read more
Captain Dave
Captain Dave
Marine Mechanic
Master's Degree
2,672 satisfied customers
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Meet the Experts:

Ted G.

Ted G.

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40 years boating, Safe boating instruct., Offshore Race promoter, Failure Analysis, Expert Witness

Dominick

Dominick

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25 Years Experience as Mechanic, 20 Yrs Boat Yard Owner/Mechanic, Factory Certified

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John White

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Jason

Jason

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Degree in Marine Technology. Gas and diesel marine mechanic.

Tan

Tan

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Jeff G.

Jeff G.

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Captain Dave

Captain Dave

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2,672 satisfied customers

USCG Licensed Captain, 20+ Years Boating, Fishing, Maintenance and Repair Experience

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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