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Old 28 June 2009, 05:19   #1
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two stroke mixture

you lot will be fed up of me by the time i get on the water.todays info request is the mariner 25hp 2 stroke booklet says to run a 100 to 1 mix the engine has apparently always run a 75 to 1 mix but it seems very smokey [reminds me of my suzy 250 hustler 70s] should i stay with this or weaken it a bit
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Old 28 June 2009, 05:28   #2
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100-1 is more for enviromental issues than being kind to the engine,
100-1 is OK for light throttle use eg on inland waterways etc, where plug fouling will be reduced, but running 75-1 or 50-1 will extend engine life if you are using wide throttle openings.
what oil are you using? some TCW3 oils are smokey, the rockoil seems to be, Quicksilver is clean burning, as is Morris Aquamax which is cheaper.
IMO you would be wise to run at between 50 and 75-1 and use a good quality TCW3 oil.
I have known newbies use car engine oil and strimmer/chainsaw oil. thats a no no!
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Old 28 June 2009, 09:05   #3
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My Rockoil is fine - maybe it's different batches???
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Old 28 June 2009, 13:12   #4
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Quicksilver is clean burning, as is Morris Aquamax which is cheaper.
Cheers mate, just been on Morris's website and bought 25 litres for 103 delivered. Didn't think it was a bad price?
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Old 28 June 2009, 13:54   #5
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The Rock Oil cost me about 60 for 25 litres but that was a while ago!!!
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Old 28 June 2009, 15:28   #6
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Cheers mate, just been on Morris's website and bought 25 litres for 103 delivered. Didn't think it was a bad price?
I bought 20 litres a couple of weeks ago, it came as four 5 litre cans and was 63 inc vat collected, you will get a better deal on Morris's if you have a local stockist who can add it to their stock order. BTW for some strange reason beyond my comprehension its cheaper in a carton of 4x5litres than a 25 liter drum(per litre)only by a few pence though, but the 5l cand are a lot more convienent.
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Old 28 June 2009, 18:08   #7
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Morris oils are great - some top quality stuff - got to make more sense than branded stuff!!!
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Old 29 June 2009, 02:28   #8
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BTW for some strange reason beyond my comprehension its cheaper in a carton of 4x5litres than a 25 liter drum(per litre)only by a few pence though, but the 5l cand are a lot more convienent.
Just had a quick look and you can only buy 1 litre, 4 litre or 25 litre containers.

1l is 6.75
4l is 4.7 per litre
25l is 3.5 per litre

Hopefully the 25 litre drum is too heavy for my better half to put "somewhere safe".

Was looking for some teak oil in my shed the other day, couldn't find it with the wood stains or paints.
Then I rememered wife had tidied up. Knew where it was straight away... next to the 2 stroke oil, WD40, engine oil etc. Female thinking.
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Old 29 June 2009, 05:35   #9
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youre right it was 4x4 litres we bought, it worked out less per litre than a 20 litre drum though. but only by a few pence. maybe it was on offer or something.
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Old 29 June 2009, 06:19   #10
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Did you get it drom a stockist?
I think the 4l would be cheaper from a dealer as they may buy lots of it?

Thanks for the info though.
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