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Old 03 May 2012, 08:46   #1
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Autolube

How many litres of petrol do you reckon to use before you oil tank needs a refill? (2 stroke obviously)

Most times I top mine up every time I refuel, but last weekend, (anglesey cruise), I refilled fuel at sea and left the oil alone. Checking it when I got home it was low low. So I reckon approx 100 litres fuel and it would be empty.

I wondered if this was about right and the same for others?
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Old 03 May 2012, 09:57   #2
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Quote:
Originally Posted by neil.mccrirrick View Post
How many litres of petrol do you reckon to use before you oil tank needs a refill? (2 stroke obviously)

Most times I top mine up every time I refuel, but last weekend, (anglesey cruise), I refilled fuel at sea and left the oil alone. Checking it when I got home it was low low. So I reckon approx 100 litres fuel and it would be empty.

I wondered if this was about right and the same for others?
You have not said how much oil is in the tank?
I would have thought 100 to 1 ratio so 1tl of oil?
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Old 03 May 2012, 10:27   #3
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It's worth carrying a litre in the console for emergencies.
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Old 03 May 2012, 10:51   #4
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Has it got an alarm for when it hits a level, or does it run dry?
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Old 03 May 2012, 11:03   #5
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A 40hp yammie has a 1.5lt oil tank. The 75-90 autolube has 3.3ltr oil tank.
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Old 03 May 2012, 11:28   #6
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My 60hp uses little oil and I'd have needed to mark the tank in order that I had known how much was used on the Anglesey day as it would have not dropped that much.

I guess unless I really do a lot of miles I'll probably only fill up my tank once more in a season.
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Old 03 May 2012, 12:06   #7
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My yam used to use hardly any, say a tank 1.5l to every 90 to 100 l of petrol. The opti has used about that on 50 litres ish.
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Old 04 May 2012, 13:15   #8
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Originally Posted by HUMBER P4VWL
Has it got an alarm for when it hits a level, or does it run dry?
Il check the size of the oil tank. Not sue about an alarm it's a 2001 merc 90. I can probably find the spec on t'internet

Just felt like a lot of oil being used but maybe not
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Old 04 May 2012, 14:15   #9
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Quote:
Originally Posted by neil.mccrirrick

Il check the size of the oil tank. Not sue about an alarm it's a 2001 merc 90. I can probably find the spec on t'internet

Just felt like a lot of oil being used but maybe not
Should have, couple of blue wires (i think) leading under the tank.

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Old 04 May 2012, 14:19   #10
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Hi ,
My Yamaha 90 was my first 2 stroke engine and I was shocked about the high oil consumption . I had a few times a fuel / oil burn ratio of 1 : 45 !!
I asked a Yamaha dealer on the IOM and he replied the following :

"Hi, Jurgen, all modern pre-mix (manually mixed fuel) Yamaha’s are specified at 100:1, but at 50:1 ratio for Autolube engines, so your 45:1 is quite normal and within tolerance.
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Regards - Jürgen
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