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Old 20 February 2012, 18:24   #1
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Country: Ireland
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yamaha 40 autolube

hi just looking for advice on the best two stroke oil to use on the above motor also where is the best place to buy it price wise? as im sure theres a couple of quid to be saved
it is a 1994 model
many thanks
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Old 20 February 2012, 18:51   #2
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it seems to me most people use quicksilver products
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Old 20 February 2012, 18:59   #3
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Morris aquamax by the 25 litre drum works out considerably cheaper than Quicksilver.
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Old 21 February 2012, 03:52   #4
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There's an argument that says "any TCW3" type. If it says that on the tin / barrel the basics are met & you won't kill the engine.

The subtle nuances of the varous brands I'll let the Ribnet massive discuss...... Personally I like Yamlube.
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Old 22 February 2012, 18:08   #5
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so i gather most TCW3 oils are good enough and safe enough to use?
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Old 23 February 2012, 00:04   #6
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Yes, but as 9D280 says, some are better than others.

My premix Yam doesn't like Rock Oil for long idle/low speed periods, but is great on Morris and Quicksilver for example.
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Old 05 June 2012, 12:21   #7
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Can anybody tell me what ratio they use oil at
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Old 07 June 2012, 15:27   #8
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Quote:
Originally Posted by eoin1981 View Post
Can anybody tell me what ratio they use oil at
Is the Autolube system disconnected? I used to run my Yammie 40hp at 100:1.

+1 for Yamlube.
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Old 07 June 2012, 17:43   #9
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No it's connected but it does not seem to be using 2 much 2 stroke oil all though it seems to be going like a clock was just wondering what ratio it uses oil at
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Old 12 June 2012, 07:12   #10
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The actual mix will probably depend on the engine.... Very early Autolubes just gave a nice accurate <whatever>:1. The newer ones vary the oil flow to suit conditions. I believe some will run as lean as 200:1 at idle, and when you are humming along at 5500rpm, it's around the 50:1 mark.

Net result, if you do a lot of slow speed stuff, you will use next to no oil, unlike the premix crews whose plugs get very oily after a while.... Which brings us back to Nos' comments about particualr brands being good for particular situations.
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