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#4475328 - 07/31/17 08:51 AM oops lost manual...
Chester11 Offline


Registered: 04/13/17
Posts: 130
Loc: PA
Hi Guys:

I have a few different 2 cycle engines (2 blowers, weed eater, tiller).

Has anyone noticed that some manufacturers do not put the oil mix on the device? First world problem, but this makes me nuts because I have to hunt down the manual every season - some of which I have lost in various moves.

For example - I have been running 50:1 through a Poulan Pro blower. But - I noticed a premix bottle I saved shows 40:1 for Poulan devices. (Poulan website also says 40:1, but Lowes website says 50:1 for this model).

Am I going to kill an engine running 50:1?

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#4475340 - 07/31/17 09:00 AM Re: oops lost manual... [Re: Chester11]
HerrStig Offline


Registered: 08/24/11
Posts: 9560
Loc: Boston, MA
Originally Posted By: Chester11
Hi Guys:

I have a few different 2 cycle engines (2 blowers, weed eater, tiller).

Has anyone noticed that some manufacturers do not put the oil mix on the device? First world problem, but this makes me nuts because I have to hunt down the manual every season - some of which I have lost in various moves.

For example - I have been running 50:1 through a Poulan Pro blower. But - I noticed a premix bottle I saved shows 40:1 for Poulan devices. (Poulan website also says 40:1, but Lowes website says 50:1 for this model).

Am I going to kill an engine running 50:1?
Write the mix on the unit with a marker. 50 to 1 with a good synthetic 2 cycle oil should be OK. I run a weed whacker and a little tiller on 50 to 1.

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#4475342 - 07/31/17 09:01 AM Re: oops lost manual... [Re: Chester11]
jeepman3071 Offline


Registered: 04/15/10
Posts: 4220
Loc: Storrs, Connecticut
In my experience, the mix ratio has more to do with the quality of the oil used.

I have a few older two stroke machines that say 40:1 or even 32:1. The oil quality back when these machines were made was not as good as today. I run 50:1 in them and they run perfect. I even had one of the chainsaws apart to replace a seal and it looked great inside.

I honestly think some of the manufacturers just keep the same recommendation in the manual for years without changing it. I remember seeing a fairly new snowblower from a big box store recommending SAE 20. I'm not sure if they even make that anymore.
_________________________
2000 Jeep Cherokee 4.0L (180k) - Pennzoil 10w30, Napa Gold 1516, Magnefine trans filter
2009 BMW 328i (32k) - Castrol Edge Euro 0w40, MANN HU816X

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#4475358 - 07/31/17 09:16 AM Re: oops lost manual... [Re: jeepman3071]
Chester11 Offline


Registered: 04/13/17
Posts: 130
Loc: PA
Originally Posted By: jeepman3071
In my experience, the mix ratio has more to do with the quality of the oil used.

I have a few older two stroke machines that say 40:1 or even 32:1. The oil quality back when these machines were made was not as good as today. I run 50:1 in them and they run perfect. I even had one of the chainsaws apart to replace a seal and it looked great inside.

I honestly think some of the manufacturers just keep the same recommendation in the manual for years without changing it. I remember seeing a fairly new snowblower from a big box store recommending SAE 20. I'm not sure if they even make that anymore.


This makes sense - I hate paying for premix, but the smoke is a lot lower. A 40:1 can I mixed myself smokes out the whole yard - I'm sure it was the stuff that came with the Kmart weedwacker.

What is a good quality oil? Everything I see appears to be a private brand.

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#4475364 - 07/31/17 09:22 AM Re: oops lost manual... [Re: Chester11]
Kamele0N Offline


Registered: 02/09/15
Posts: 2046
Loc: Slovenia
Anything that is API TC...JASO FD is good enough for 1:50 in any OPE
_________________________
2011 Hyundai i30 1.4 CVVT Shell Helix Ultra 5w40
1997 Toyota Landcruiser KZJ95 3.0 TD various 10w40

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#4475370 - 07/31/17 09:27 AM Re: oops lost manual... [Re: Chester11]
Panzerman Offline


Registered: 12/16/06
Posts: 4203
Loc: Port Orange, Florida
I usually just run 32:1 in everything because I am running Lawnboy mowers but it runs fine in the Echo too that calls for 50:1. If your smoke sensitive just run 40:1 in everything. It won't hurt.
I found more oil is better.
I miss the days of 16:1 and 20:1.
_________________________

2006 Dodge Ram 2500 Hemi 4x4
2016 Dodge Challenger Scat Pack

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#4475377 - 07/31/17 09:34 AM Re: oops lost manual... [Re: Chester11]
motor_oil_madman Offline


Registered: 11/29/09
Posts: 4858
Loc: Houston, Texas
I buy my 2 stroke oil by the gallon and use the little measuring cup they give you with it. 2.6oz per gallon is 50:1 and I usually just put in 3oz
_________________________
2007.5 dodge cummins 6.7 liter. Chevron Delo400 15w40. 7000 mile or 250-300hr intervals.


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#4475387 - 07/31/17 09:46 AM Re: oops lost manual... [Re: Chester11]
jeepman3071 Offline


Registered: 04/15/10
Posts: 4220
Loc: Storrs, Connecticut
Originally Posted By: Chester11

What is a good quality oil? Everything I see appears to be a private brand.


I don't use too much of it, so I just buy the semi-synthetic Husqvarna stuff from Amazon. They usually sell a case with 6 or 9 pre-measured bottles.

I've also used the Briggs and Stratton 2 stroke oil. Any name brand will be fine. I tend to avoid the no name brands like "leaf blower mix" or something from WalMart/Sears.
_________________________
2000 Jeep Cherokee 4.0L (180k) - Pennzoil 10w30, Napa Gold 1516, Magnefine trans filter
2009 BMW 328i (32k) - Castrol Edge Euro 0w40, MANN HU816X

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#4475483 - 07/31/17 11:36 AM Re: oops lost manual... [Re: Chester11]
Johnny2Bad Offline


Registered: 05/20/13
Posts: 1810
Loc: Saskatchewan, Canada
There isn't much difference between 40:1 and 50:1 so I would not panic if I got it wrong once or twice, but aside from the mix not being optimal you can always default to a stronger mix of oil to fuel. So running 40:1 in a machine that is supposed to have 50:1 isn't going to cause much problems.

I also have a DYMO labelmaker that I use for all kinds of stuff, but if you wanted, you could just create a label and stick it on the device if you wanted.

There are a number of labelmakers available, BROTHER also makes some, for example, but I like the DYMOs ... get one that uses D1 cartridges (eg Labelmaker 160; $14 on Amazon, although the better deal is one packaged with two tape cartridges), or if you are serious the RHINOs are the way to go, although they are not cheap.

The RHINOs do cable marking and although the appropriate cartridges are expensive, you can mark shrink tubing for cable wiring with them. Handy if you do any electrical work on automotive applications.
_________________________
'57 FL Straight 50 wt
'90 Miata 1.8L w/Rotrex Supercharger [Mobil1 0W-40]
'96 Ram 1500 [3.7L Mobil1 0W-20 / 1L 15W-50]
'01 PT Cruiser [Mobil1 0W-40]

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#4475618 - 07/31/17 01:42 PM Re: oops lost manual... [Re: Johnny2Bad]
Chester11 Offline


Registered: 04/13/17
Posts: 130
Loc: PA
Originally Posted By: Johnny2Bad
There isn't much difference between 40:1 and 50:1 so I would not panic if I got it wrong once or twice, but aside from the mix not being optimal you can always default to a stronger mix of oil to fuel. So running 40:1 in a machine that is supposed to have 50:1 isn't going to cause much problems.

I also have a DYMO labelmaker that I use for all kinds of stuff, but if you wanted, you could just create a label and stick it on the device if you wanted.

There are a number of labelmakers available, BROTHER also makes some, for example, but I like the DYMOs ... get one that uses D1 cartridges (eg Labelmaker 160; $14 on Amazon, although the better deal is one packaged with two tape cartridges), or if you are serious the RHINOs are the way to go, although they are not cheap.

The RHINOs do cable marking and although the appropriate cartridges are expensive, you can mark shrink tubing for cable wiring with them. Handy if you do any electrical work on automotive applications.


Thanks - been looking for a label maker for a bit, just have not pulled the trigger. For $14 I'll pick one up.

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#4475695 - 07/31/17 03:10 PM Re: oops lost manual... [Re: motor_oil_madman]
Linctex Offline


Registered: 12/31/16
Posts: 6160
Loc: Waco, TX
Originally Posted By: motor_oil_madman
2.6oz per gallon is 50:1 and I usually just put in 3oz


Pretty much the same here.

I pay no attention to what the sicker on the equipment says, and they ALL get the same premix.
_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4475696 - 07/31/17 03:11 PM Re: oops lost manual... [Re: Johnny2Bad]
Linctex Offline


Registered: 12/31/16
Posts: 6160
Loc: Waco, TX
Originally Posted By: Johnny2Bad
There isn't much difference between 40:1 and 50:1 so I would not panic if I got it wrong once or twice, but aside from the mix not being optimal you can always default to a stronger mix of oil to fuel. So running 40:1 in a machine that is supposed to have 50:1 isn't going to cause much ANYproblems.


Fixed that for you.
_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4476375 - 08/01/17 10:15 AM Re: oops lost manual... [Re: Johnny2Bad]
bubbatime Offline


Registered: 03/18/08
Posts: 5627
Loc: South Florida
Originally Posted By: Johnny2Bad
So running 40:1 in a machine that is supposed to have 50:1 isn't going to cause much problems.


Actually, on today's sealed carburetors with sealed mixture screws, running 40:1 in a 50:1 machine, or vice versa, has a very large chance of not running correctly. I used to have customers by the boat load bring me two cycle equipment that "wasnt running right". I would drain the tank, refill it with the correct fuel mix that the manufacturer suggests, and bam, the equipment was running like new. I've seen it a hundred times.
_________________________
17 Chrysler Pacifica Mobil 1 5W30
13 Yamaha XT250 Valv MC 10W40
12 Suzuki S40 Rotella 15W40
10 Acura TSX 2.4 PZL Plat 5W30
06 GMC Sierra Nextgen 10W30



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#4476689 - 08/01/17 04:10 PM Re: oops lost manual... [Re: bubbatime]
Chester11 Offline


Registered: 04/13/17
Posts: 130
Loc: PA
Thanks for the replies all. I got them all labelled out. All are 50:1 except for the cheap weedeater brand trimmer. It bogs down even with the premix hi octane stuff, so unless I can figure out how to adjust the carb via youtube, this may be it's last season.

I'm considering an electric to replace it. But that is another topic.

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#4477086 - 08/02/17 03:34 AM Re: oops lost manual... [Re: Chester11]
Kamele0N Offline


Registered: 02/09/15
Posts: 2046
Loc: Slovenia
Clean your carburator... Optionally...remove its spark arestor from muffler and report back
_________________________
2011 Hyundai i30 1.4 CVVT Shell Helix Ultra 5w40
1997 Toyota Landcruiser KZJ95 3.0 TD various 10w40

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