Author Topic: Amsoil 50:1  (Read 2603 times)

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Offline stock500

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Amsoil 50:1
« on: August 25, 2008, 05:37:21 AM »
I have been running amsoil intercepter in my snowmobiles and my bike.  I love the oil, and Amsoil says to mix at 50:1.  I was going to do that until I talked to a couple of old timers that swear that if you do that you will fry the bottom end if you go leaner than 32:1, even if the spark plug is showing good color.  I called Amsoil and talked to one of the Techs, and he assured me that it is safe to run 50:1.  I ride from 6,500 ft to 10,000 ft here in western Wyoming so I need to be leaner because when I get on top of the mountains my bike has a hard time getting air.    Any info would be great.
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Offline bigbellybob

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Re: Amsoil 50:1
« Reply #1 on: August 25, 2008, 06:15:54 AM »
premix has came a long way sens the old days. back in the day bikes had a sticker telling you to mix at 20:1 that's crazy now days. a lot of manufacturers now suggest 40:1. a lot of Amsoil lovers use less oil than the 50:1 your worrying about.
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Offline Good

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Re: Amsoil 50:1
« Reply #2 on: August 26, 2008, 03:20:43 AM »
I've been running the "Saber" at 90+ to 1 and if anything, it seems to keep it cooler.

Offline Hillclimb#42

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Re: Amsoil 50:1
« Reply #3 on: August 26, 2008, 03:59:37 AM »
50:1 is fine, man. Amsoil is the good oil too. You could easily be leaner on mixture with that oil. Old timers vs. Amsoil reps seems clear enough to me. Actually I think rich=heat. I'd be more worried about coming down a mountain and leaning it out by coasting too long and using the transmission to slow the pace. You're good to go with amsoil

Offline stock500

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Re: Amsoil 50:1
« Reply #4 on: August 26, 2008, 05:23:11 AM »
 I'd be more worried about coming down a mountain and leaning it out by coasting too long and using the transmission to slow the pace. You're good to go with amsoil
[/quote]

I am so cheap that I turn my engine off and coast down the mountian so I save gas. 
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Offline BDI

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Re: Amsoil 50:1
« Reply #5 on: August 26, 2008, 07:04:26 AM »
I've been running the "Saber" at 90+ to 1 and if anything, it seems to keep it cooler.
If you change your pre mix ratio you are also changing your jetting. Less oil means you are putting more gas in the engine by doing this you are making the jetting richer and the engine will run cooler.
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Offline KXcam22

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Re: Amsoil 50:1
« Reply #6 on: August 26, 2008, 09:22:28 AM »
Stock,
  50:1 is a great all around ratio. In the mid-70's I ran 32:1 with mineral oil and had lots of oil caused failures.  As soon as synthetic 2-cycle oil came out my oil failure caused engine failures went down to zilch.   I ran the original Belray MC-1 at 85:1 and now use a sedate 60:1.   My outboard uses yamalube at 100:1 and my 2 stroke road race bike used Amsoil at 100:1.  Amsoil is a geat oil and at 50:1 I would have no worries.  Cam.

Offline bigbellybob

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Re: Amsoil 50:1
« Reply #7 on: August 26, 2008, 10:06:39 AM »
i found this in the back of my 98 KTM manual
Quote
Fuel unleaded SUPER fuel, research octane no 95, mixed with high-grade two stroke oil (Shell Advance Racing X)
Oil / gasoline ratio 1:40 ? 1:60 when using high grade two stroke oil. When in doupt, please contact your importer or use 1:40 mix ratio to be on the safe side
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Offline stock500

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Re: Amsoil 50:1
« Reply #8 on: August 27, 2008, 05:25:10 AM »
The Amsoil Tech swore that they would pay the repair bill if I loose my motor because of lubrication issues.  I bet it would be like pulling teeth to get the money from them, but I have never had any issue with there oil.  It seems that 32:1 is old  news, and thanks for all the feedback.
It's all in the wrist!  Save a tire, shift early!