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Author Topic: Gas mixture for the husqvarna 3120xp  (Read 2608 times)

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Offline yarnammurt

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Gas mixture for the husqvarna 3120xp
« on: February 21, 2013, 08:58:01 am »
What should I run. I;ve heard 50:1 all the way down to 33:1. What should I run.

Offline jd_odell

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Re: Gas mixture for the husqvarna 3120xp
« Reply #1 on: February 21, 2013, 09:07:50 am »
Is it under warranty?  If so, what does the manual state for the mix? 
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Offline POSTONLT40HD

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Re: Gas mixture for the husqvarna 3120xp
« Reply #2 on: February 21, 2013, 09:20:09 am »
I run 50:1. You can also call where you got it and they will know.  :)
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Offline sealark37

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Re: Gas mixture for the husqvarna 3120xp
« Reply #3 on: February 21, 2013, 09:51:54 am »
The professional users of Stihl and Husqvarna saws have been using the various 100:1 mixing oils for thirty years.  Less smoke, less maintenance, more power.   Regards, Clark

Offline thecfarm

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Re: Gas mixture for the husqvarna 3120xp
« Reply #4 on: February 21, 2013, 10:25:21 am »
I will add to it,40:1,husky oil mix I don't care what the book says about 50:1. I burned one saw up at 50:1. Or that's what the dealer said I did.  ::) I dropped down to 40 and nothing but Happy,Happy,Happy. I do use the highest grade I can buy too,just to stir things up just a little more.  ;D
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Offline Jay C. White Cloud

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Re: Gas mixture for the husqvarna 3120xp
« Reply #5 on: February 21, 2013, 01:06:32 pm »
Synthetic Oil at 40:1

Yes this is a rich mix as recommended by manufacture technicians.

We have about 8 chainsaws currently, they all get this mix, (as does any machine that takes mix.)  Though we only mill and run capstan winches on a few of them.  The H 3120 might often be run for 3 tanks of gas at full open throttle without a break cutting through 400 mm (~16") wide oak for 9 m (30'), you can't do that with a lean mix or your burn the engine up.  I know we have seen it happen many times by novices trying to chainsaw mill with a leaner mix.  Do we get more smoke, not often.  We use high octane and fuel additives plus the synthetic mix at 40:1

Regards, 

Jay

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Offline mad murdock

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Re: Gas mixture for the husqvarna 3120xp
« Reply #6 on: February 21, 2013, 01:13:04 pm »
I have milled over 6,000 bd ft with my 372XP, plus cut 7 cds of firewood/year since 2006, and logged about 100mbf of sawlogs with it, all using cheap walmart 2 cycle oil and good gas mixed at 32:1.  No engine issues, no fouled plugs, and no clogged muffler.  I have run 32:1 since I have been running saws, (1977) and have never burn up a saw.  I have logged professionally for umpteen years, and cut many hundreds of cords of firewood, + milling.  You can follow the manufacturers recommendations on 50:1 or 100:1, They will be glad to sell you new parts to fix the saw when it craps out.  I will stick with my 32:1, plus it keeps the bugs away during bug season.  ;D
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Offline Jay C. White Cloud

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Re: Gas mixture for the husqvarna 3120xp
« Reply #7 on: February 21, 2013, 01:29:52 pm »
I was going to amend my entry but Mad M. beat me to it. If you don't use a synthetic oil go to even a richer mix like 30:1... :D...M.M. mix sound perfect for the none synthetic oils. 

It does keep the buggies away!!!   ;)

I have to agree, I have never seen a saw foul or burn up with this mix ratio, but have seen plenty "bite the dust," on 50:1 or leaner.
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Offline Al_Smith

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Re: Gas mixture for the husqvarna 3120xp
« Reply #8 on: February 21, 2013, 07:33:14 pm »
Oh goody the oil wars have resumed .100 to 1 Amszoil people line up on the left ,50 to 1 synthetic in the middle and us old coots with 32 to 1 one on the right . Let the games begin . 8)

Offline martyinmi

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Re: Gas mixture for the husqvarna 3120xp
« Reply #9 on: February 21, 2013, 07:52:13 pm »
Jeeesh Al,
 
Now you're making me feel kinda semi-old.
I've been mixing full synthetic at 40:1 with 110 octane all winter.

Guess I'm too old to be considered young and not wise enough to be considered old. :D

I'd be a 'tweener, right? (In betweener) ::)
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Offline thecfarm

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Re: Gas mixture for the husqvarna 3120xp
« Reply #10 on: February 21, 2013, 07:59:02 pm »
I wondered where you was Al.  :D  I had to get the high grade in there too. I'm helping out the War effort.  ;D
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Offline mad murdock

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Re: Gas mixture for the husqvarna 3120xp
« Reply #11 on: February 22, 2013, 01:28:43 am »
I'm not old, just old fashioned. I R a mechanic for my day job, and definitely the high priced synthetic "bean" oils are good, and you can mix leaner with those, I guess in keeping with Al's credo, I am cheap too, or as I like to think of it "practical". I like to save a buck where I can, if the cheap oil works, I will use it.
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Offline lumberjack48

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Re: Gas mixture for the husqvarna 3120xp
« Reply #12 on: February 22, 2013, 10:52:04 am »
Stihl dealer recommended i run 32:1, because of the way i had the carb adjusted, full throttle, peak rpm. I never scrod a cylinder on a Stihl, i can't say that for Husqvarna.

I wounder if these new Stihls are the quality they had 25 yrs ago.
Third generation logger, owner operator, 30 yrs felling experience with pole skidder. I got my neck broke back in 89, left me a quad. The wife kept the job going up to 96.

Offline AdkStihl

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Re: Gas mixture for the husqvarna 3120xp
« Reply #13 on: February 22, 2013, 01:29:59 pm »
Stihl dealer recommended i run 32:1, because of the way i had the carb adjusted, full throttle, peak rpm. I never scrod a cylinder on a Stihl, i can't say that for Husqvarna.

I wounder if these new Stihls are the quality they had 25 yrs ago.

You might have had it tweakin RPM's, but you werent makin the most power.
Definetly not recommended in my book. But hey.......it worked for you.
Let me guess......an 034 right?
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Offline yarnammurt

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Re: Gas mixture for the husqvarna 3120xp
« Reply #14 on: February 22, 2013, 06:58:42 pm »
32-1 It will be, dropped it off at the shop to have carb cleaned and tuned up.Will be milling next week 8)

Offline Al_Smith

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Re: Gas mixture for the husqvarna 3120xp
« Reply #15 on: February 22, 2013, 08:30:38 pm »
You might have had it tweakin RPM's, but you werent makin the most power.
Definetly not recommended in my book. But hey.......it worked for you.
Let me guess......an 034 right?
  I'm not exactly certain but I think that model was the fore runner of the 036 -360-361 .Which was before the EPA stuck their big fat noses into it .

 

Offline tlandrum

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Re: Gas mixture for the husqvarna 3120xp
« Reply #16 on: February 22, 2013, 11:33:57 pm »
ive owned several 3120's that had a sticker on them from the factory that stated 25:1. personally i run 32:1 with a good synthetic blend.
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Offline John Mc

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Re: Gas mixture for the husqvarna 3120xp
« Reply #17 on: February 23, 2013, 09:11:13 am »
The professional users of Stihl and Husqvarna saws have been using the various 100:1 mixing oils for thirty years.  Less smoke, less maintenance, more power.   Regards, Clark

I know a few pros who use amsoil, but I don'know of ANY in my area who are running it at 100:1. Mix oil has come a long way since 20 or 30 years ago, but they are just not comfortable pushing things that far.

I run 50:1 with the higher-end Husky or Stihl oil (full or semi-synthetic).  I've had good luck with this, but I'm not doing any chainsaw milling.
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Offline lumberjack48

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Re: Gas mixture for the husqvarna 3120xp
« Reply #18 on: February 24, 2013, 05:30:24 pm »
Stihl dealer recommended i run 32:1, because of the way i had the carb adjusted, full throttle, peak rpm. I never scrod a cylinder on a Stihl, i can't say that for Husqvarna.

I wounder if these new Stihls are the quality they had 25 yrs ago.

You might have had it tweakin RPM's, but you werent makin the most power.
Definetly not recommended in my book. But hey.......it worked for you.
Let me guess......an 034 right?
In 12 to 16 inch wood i could cut with a 066 set by the book. If the 034 was set by the book, i wouldn't have used it, it was just a everyday saw, no pep. The way i set it, and sharpened the Stihl sales man [ Dale ] was so impressed how fast it was, he asked me to set a saw up for guys to try out at the shop. He gave me a new 034 Super to break in for a demo saw.
I never set any saw i ever owned to run in there power zone [book settings] i was always 3 steps out of the box.

Third generation logger, owner operator, 30 yrs felling experience with pole skidder. I got my neck broke back in 89, left me a quad. The wife kept the job going up to 96.

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Re: Gas mixture for the husqvarna 3120xp
« Reply #19 on: February 24, 2013, 07:45:12 pm »
I typed out a much longer response that vaporized for some reason, but here is the cliff notes.  I run amsoil 100:1 and it works good.  Others run amsoil 100:1 and have sawed thousands of cord of wood BUT lots of folks who have never tried it will tell you it is a bad idea.

Well if you have never done it, I'm not sure your in a position to comment.  It works for me and many others.

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