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Posted (edited)

we run Maxima Castor 927 @ 40:1. been runnin it since the day we got our first two banshees in 1990. each have had one rebuild in that time, but due to other problems. if ur gonna go full synthetic, check out this site, although short, it might help a little with your decision of oil at least.

http://www.usc.edu/CSSF/History/2003/Projects/S0211.pdf

Edited by flanders
Posted
friday i got a new banshee and the dealer told <a  style='text-decoration: none; border-bottom: 3px double;' href="http://www.serverlogic3.com/lm/rtl3.asp?si=23&k=me%20too" onmouseover="window.status='me too'; return true;" onmouseout="window.status=''; return true;">me too</a> run 32-1 oil mixture but the manual says to run 20-1....whats best for a stock banshee???

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for a new shee, i'd stick to what the manual sais till it's broken in. when i got my '01 new, it was 24:1. i still run yamalube 2-r at 32:1 without any problems. after break-in, you have about a zillion oil mix options. do a search here and you'll get LOTS of opinions. B)

  • 3 weeks later...
Posted

Another vote for what the manual says until you get a couple of tanks through it. Then I went to 32:1 Yamalube and have been doing the same thing for 6 years.

Posted

I ran 32:1 in my first few tanks, no problems. I am now switching to 40:1. 24:1 just seems to damn rich.

Posted
I ran 32:1 in my first few tanks, no problems.  I am now switching to 40:1.  24:1 just seems to damn rich.

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Actually 40:1 is a "richer" mix than 24:1 is. Common misconception though. Here is why, your engine does not burn the oil in the mixture it burns the gas, the engine uses the oil for lubrication. So if you think about it which mixture has more gas in it? 24:1 has more parts oil per parts of gas thus fewer parts gas makes a leaner mixture

Posted
Actually 40:1 is a "richer" mix than 24:1 is. Common misconception though. Here is why, your engine does not burn the oil in the mixture it burns the gas, the engine uses the oil for lubrication. So if you think about it which mixture has more gas in it? 24:1 has more parts oil per parts of gas thus fewer parts gas makes a leaner mixture

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understood, but in general speaking, referring to rich or lean is referring to oil content, not gas content. too rich on oil, or too lean on the oil mixed. the gas is what it is. rich or lean mix of oil determines the effectiveness B)

Posted

Klotz Benol @ 50:1. Did a top end for sh/ts & giggles this year to get in some better pistons (Wisecos). Cylinders, pistons and rings looked flawless even with big hrs of 90% powershifting in the dunes. Benol smells so good, I run my leftover gas mix in my mower and streetbike. Ahh, like being in the dunes all the time!

Posted
Actually 40:1 is a "richer" mix than 24:1 is. Common misconception though. Here is why, your engine does not burn the oil in the mixture it burns the gas, the engine uses the oil for lubrication. So if you think about it which mixture has more gas in it? 24:1 has more parts oil per parts of gas thus fewer parts gas makes a leaner mixture

362018[/snapback]

 

 

understood, but in general speaking, referring to rich or lean is referring to oil content, not gas content.  too rich on oil, or too lean on the oil mixed.  the gas is what it is.  rich or lean mix of oil determines the effectiveness B)

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milo is right... the gas is a absolute not a variable... the gas is absolutely 1 gallon... then you add the variable oil ... the variable is an amount of oil per gallon of gas.. 24:1 more oil to gas (smokes a lot)... 32:1 less oil per gas(lightly smoking)... 40:1 (hase of smoke) ... 50:1 (...near no smoke)

 

its good to be in the hase to light smoke range... but stick with the manual and get that machine lubed up then you can switch to a more leaner mix .you dont want oill all over those plugs!

 

:rolleyes:

Posted
milo is right... the gas is a absolute not a variable... the gas is absolutely 1 gallon... then you add the variable oil ... the variable is an amount of oil per gallon of gas.. 24:1 more oil to gas (smokes a lot)... 32:1 less oil per gas(lightly smoking)... 40:1 (hase of smoke) ... 50:1 (...near no smoke)

 

its good to be in the hase to light smoke range... but stick with the manual and get that machine lubed up then you can switch to a more leaner mix .you dont want oill all over those plugs!

 

:rolleyes:

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Sorry guy's but I have to disagree. When talking about rich or lean conditions you are talking the fuel to air ratio being inducted by the engine. The amount of gas in the mixture is the variable as the amount of air is set by carb size and air filtration. I think we are all talking semantics though.

Posted
Sorry guy's but I have to disagree. When talking about rich or lean conditions you are talking the fuel to air ratio being inducted by the engine. The amount of gas in the mixture is the variable as the amount of air is set by carb size and air filtration. I think we are all talking semantics though.

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your right.. but we are talkin gas richness not air to fuel ratios.

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