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Old 21 March 2013, 17:17   #1
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Mercury 2 Stroke start up after winter Help

Mercury 2 Stroke start up after winter


Hi Guys, just after some advice before I turn the key, The motor is a Early 90ís Mercury V6 2.0 130Hp itís the first winter Iíve had the boat and as it has been outside since I got it last year after spending its life in a garage when not been used until I got it, Iím a little apprehensive about starting without checking first.

Do I need to check or clean out any oil pipes etc or should it be ok? J I suppose smoke will be a tell tale sign if it starts. Also would it be easy for me to change the impellor and gear oil? Iím new to outboards but can find my way around an engine most of the time.

So any Old Mercury users out there J

Thanks
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Old 21 March 2013, 17:31   #2
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It should be absolutely fine to start up. Just make sure you've got plenty water to it and when it starts just keep the revs down to idle and let it settle down for at least a few minutes. The gearbox oil is dead easy. There's two screws on the gearbox. A fill/drain screw and a vent screw. All you need to do is remove the two screws and drain the oil then to refill it you must do it through the bottom screw and pump oil in until it comes out the top hole. As for the impeller you'll need to first remove the gearbox to gain access to the housing then remove that to get to the impeller which just slides up off the shaft then assembly is the reverse of removal. Hope this helps.
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Old 21 March 2013, 17:48   #3
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This thread is of interest to me also as I've just got a similar Mariner 135 with a seperate (currently empty) oil tank. It's the first non premix engine I've had & I'm curious as to start up when I get it fitted to the boat ?
Is it best to start it on premix & how can you be sure the oil is getting into the system from the seperate tank ?
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Old 21 March 2013, 18:54   #4
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Thanks peterwhite that helps alot

paddlers im just thinking out loud, in case nobody reply's prob best turn the motor over with fuel off and plug caps off or kill switch if it lets you until the oil goes up the pipe in to motor, i would think that would work,
I need to find out how the oil system really works, probably simple but have never looked at it or a manual, my main oil tank is under pressure once the motor is going and i have clear oil pipes so maybe that would make it easy for me to tell.. another thing with your oil people say any marine grade oil is fine i was on quicksilver as told by prev owner and local Merc boat shop, once i started to use some other stuff the motor was hard to start when cold and smoked a lot, So changed back once the oil was empty and it sorted itself out again..
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Old 21 March 2013, 19:02   #5
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I've just had my tohatsu 90 serviced by a engineer he has told me to put 1/2a litre of oil in the first 20 litres of fuel as well as the auto lube.think he said it helps to get rid of any pitting or crap in the cylinders.i watched him put the gearbox back and didn't seem to hard to do,there are lots of videos on you tube.think i will service it myself next time,although he stripped the carbs and cleaned them which i would not do..the main reason for me getting him to do it was that it is a new engine to me and i wanted it to be checked out by someone who knows what they are doing.
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Old 21 March 2013, 19:08   #6
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I think marine 2 stroke oil is basically one of 2 types.one type if you have carbs, the other type you don't!
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Old 21 March 2013, 19:10   #7
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Quote:
Originally Posted by simon23 View Post
I've just had my tohatsu 90 serviced by a engineer he has told me to put 1/2a litre of oil in the first 20 litres of fuel as well as the auto lube.think he said it helps to get rid of any pitting or crap in the cylinders.i watched him put the gearbox back and didn't seem to hard to do,there are lots of videos on you tube.think i will service it myself next time,although he stripped the carbs and cleaned them which i would not do..the main reason for me getting him to do it was that it is a new engine to me and i wanted it to be checked out by someone who knows what they are doing.

Hi Simon, if you don't mind what kind of money was a standard service and what parts did you get for it, Thanks
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Old 21 March 2013, 19:12   #8
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Originally Posted by simon23 View Post
I think marine 2 stroke oil is basically one of 2 types.one type if you have carbs, the other type you don't!
Thanks that could be the problem, the new oil was a different colour and looked thick but had the marine grade on it, i will dig out the old bottle tomo and check, that would be a good find if so
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Old 21 March 2013, 19:22   #9
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Standard service was about £160 plus parts,i had plugs,plug caps,fuel filter,gearbox oil,impeller was checked but was ok and carbs were stripped and cleaned.£300ish.don't tell the wife
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Old 21 March 2013, 19:34   #10
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Originally Posted by simon23 View Post
Standard service was about £160 plus parts,i had plugs,plug caps,fuel filter,gearbox oil,impeller was checked but was ok and carbs were stripped and cleaned.£300ish.don't tell the wife

Yeah i would get the same if she found out i had to replace the steering..
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