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Old 07-14-2016, 08:52 PM   #21
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Re: DA50R Over Heating


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Originally Posted by Mike Sebastien View Post
More oil is always better to a point. more oil in a gas/oil mixture will let the engine run cooler because the oil is providing less friction which results in the engine running cooler. the difference in 32:1 and 40:1 is negligible but I will always go with more oil.

I remember a few years ago everyone was using amsoil 100:1, It didn't last as it proved out in the long run not to work

And mixture adjustments on the carb has nothing to do with oil content.
Your wrong Mike. More oil will make a leaner mixture in a 2-Stroke engine making the engine run hotter. Cheers Floyd
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Old 07-14-2016, 08:57 PM   #22
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Re: DA50R Over Heating

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Your wrong Mike. More oil will make a leaner mixture in a 2-Stroke engine making the engine run hotter. Cheers Floyd

Explain why I am wrong with references. In other words just because you say I am wrong does mean I am wrong.
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Old 07-14-2016, 09:16 PM   #23
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Re: DA50R Over Heating

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Explain why I am wrong with references. In other words just because you say I am wrong does mean I am wrong.
Mike just think about it, or google search it. If the engine manufacturer says run a 50:1 mixture and you run a 30:1 mixture what's the difference? More oil in the mixture and less gas make a leaner and hotter running engine.
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Old 07-14-2016, 10:10 PM   #24
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Re: DA50R Over Heating

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Mike just think about it, or google search it. If the engine manufacturer says run a 50:1 mixture and you run a 30:1 mixture what's the difference? More oil in the mixture and less gas make a leaner and hotter running engine.
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Old 07-15-2016, 10:13 AM   #25
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Re: DA50R Over Heating

You open up the needle valve to get the right fuel air mixture.
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Old 07-15-2016, 11:36 AM   #26
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Re: DA50R Over Heating

Think of it this way. The constant in the ratio 50:1 or 30:1 is the amount of fuel. For example in both ratios we use 1 liter of fuel then add oil. In the ratio 50:1 there 1 liter of gas and 10 ml of oil. 30:1 would require 1 liter of fuel and 30 ml of oil. The amount of fuel is constant but the oil content changes and that's why u don't have to adjust needle valve, also why the engine doesn't run hotter. After you mix the oil total quantity of mixed gas for 50:1 is 1010 ml and for the 30:1 is 1030 ml.
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Old 07-15-2016, 12:28 PM   #27
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Re: DA50R Over Heating

The way I see it ,the needle valve at a given setting lets in a given volume per stroke of the engine . Thus if that volume is mixed at 30/1 it will be less fuel (more oil) per the given volume than fuel mixed at 50/1 . Just my thought
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Old 07-15-2016, 12:55 PM   #28
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Re: DA50R Over Heating

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The way I see it ,the needle valve at a given setting lets in a given volume per stroke of the engine . Thus if that volume is mixed at 30/1 it will be less fuel (more oil) per the given volume than fuel mixed at 50/1 . Just my thought
You are right but the difference in oil is only 1 1/2 tablespoons between the 2 different ratios in 1 litre of gas. Really not going to make any difference on how the engine runs.
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Old 07-15-2016, 01:06 PM   #29
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Re: DA50R Over Heating

That is true / not a big difference and I for one am not sure of the effect . Further tho it would be a tad thicker and may affect the volume per stroke of the motor . Again just my thoughts and I wish everyone good running long lasting engines .
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Old 07-15-2016, 05:49 PM   #30
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Re: DA50R Over Heating

Well if it doesn't make a difference in how a motor will run then why wouldn't all the engine manufacturers just tell everyone to run 20 or 30 to 1 as a mixture to extend the life of the motor? Cheers Floyd
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