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Old 12 March 2012, 10:37   #1
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Country: UK - Scotland
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need some expert advice

hi
on starting my mariner 4 hp 2 stroke for the first time this year i ran engine in wheely bin? ,, however there was some fumes ,and the next morning the water level in bin was very oily around rim ,,-not to much in water,, can i assume this is normal for first time in 6 months and it was just the exhaust fumes that caused this ,, i checked oil level witha cable tie ,and the oil seemed ok ,and nice and clean , oil around wheely bin ,just made me panic .. hopefully some of you guys ,will put my mind at rest . thanks in advance for any reply,s that may be forthcoming
harry.
p.s. oil fumes were burning off after 10-15 minutes of engine running
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Old 12 March 2012, 10:39   #2
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Sounds fairly normal to me.
Me 2st smokes alot first start any time as its generally been ideling up a river at 5knts. :-)
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Old 12 March 2012, 10:46   #3
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Sounds fairly normal to me.
Me 2st smokes alot first start any time as its generally been ideling up a river at 5knts. :-)
thank,s for reply just the oil around bin made me panic ???
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Old 12 March 2012, 11:46   #4
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In 6 months idle, all kinds of stuff can happen: oil leaking past rings is the most likely culprit in your case (at least as far as I know.)

Watch the temp carefully for the first 5 or so minutes, and take your baseline of operation then. Things will have settled back down in the first couple of minutes, I'd assume.

jky
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Old 12 March 2012, 12:33   #5
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Now you understand why two strokes were banned. (Exception direct injection)
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Old 12 March 2012, 12:33   #6
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hi

when was it last serviced?

Dave
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Old 12 March 2012, 13:42   #7
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I would have thought oil in the water is perfectly normal (for a 2 stroke), there will always be some unburnt oil being sent out with the exhaust gas. I have always noticed the same thing myself when running my small engines in tubs. I would expect it to be worse if the engine has sat around for a while as the petrol will evaporate increasing the oil to petrol ratio in the carb.

I would add I am no expert - these are just my own observations and theories!
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Old 12 March 2012, 13:45   #8
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hi

when was it last serviced?

Dave
hi
it was serviced when i got it -aug-sept ,and i only ran for maybe 30 min ..
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Old 12 March 2012, 13:46   #9
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Oops, sorry misread the engine spec; thought it said 4-stroke.

Normal for a 2-stroke.

jky
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Old 12 March 2012, 13:48   #10
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Originally Posted by TomKat View Post
I would have thought oil in the water is perfectly normal (for a 2 stroke), there will always be some unburnt oil being sent out with the exhaust gas. I have always noticed the same thing myself when running my small engines in tubs. I would expect it to be worse if the engine has sat around for a while as the petrol will evaporate increasing the oil to petrol ratio in the carb.

I would add I am no expert - these are just my own observations and theories!
just to say when it was put to bed last year i ran the carb dry and emptied fuel tank when i ran yesterday it was fresh fuel-50-1 as advised .. hope that throws some light on problem
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