What 2 Stroke?

[GardenKit]

The subject of cheap oil has been well discussed over the years as many of the old members will recall. Here is one thread from 4 years ago on the subject.

 

http://arbtalk.co.uk/forum/chainsaws/41271-any-old-oil.html

[Blue Monsoon]

Thanks for the link and to be on the safe side I have ordered some Stihl 2 stroke oil in the sales. How ever, on Stihls website, it says to mix stihl 2 stroke oil at 50.1 for a stihl saw and to run a Stihl saw on 25.1 with any other 2 stroke oil !

 

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[TimberCutterDartmoor]

  Blue Monsoon said:

Thanks for the link and to be on the safe side I have ordered some Stihl 2 stroke oil in the sales. How ever, on Stihls website, it says to mix stihl 2 stroke oil at 50.1 for a stihl saw and to run a Stihl saw on 25.1 with any other 2 stroke oil !

 

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There are 3 grades of Stihl 2 stroke oil.

[Blue Monsoon]

My saw is about 37yrs old, which grades were around then?

 

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[Stubby]

  Blue Monsoon said:

My saw is about 37yrs old, which grades were around then?

 

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The grades that meant you had to mix at 25:1 . Today with modern synth you can safely mix at 50:1

[wizz80]

This any good

[aspenarb]

  Stubby said:

The grades that meant you had to mix at 25:1 . Today with modern synth you can safely mix at 50:1

 

Not much in it though as a percentage Stubbs. 96% fuel @ 25/1 and 98%fuel @50/1 which is probably why Stihl err on the side of caution when using non Stihl oil. In my opinion at 25/1 its still diluted to the point of being insignificant.

 

Bob

[Stubby]

  aspenarb said:

Not much in it though as a percentage Stubbs. 96% fuel @ 25/1 and 98%fuel @50/1 which is probably why Stihl err on the side of caution when using non Stihl oil. In my opinion at 25/1 its still diluted to the point of being insignificant.

 

Bob

 

The smoke difference is not insignificant , In my opinion that is ..

[aspenarb]

  Stubby said:

The smoke difference is not insignificant , In my opinion that is ..

 

I dont spend much time on a saw these days Stubbs but I do keep a couple of those one shots in the truck for emergencies, our normal mix is 25/1 but cant say I have noticed the smoke difference on the odd occasion I have used the one shot. Just for the hell of it and not to be outdone by JB I am going to try that asprin fuel you lot keep going on about ( in secret )

 

 

 

Bob

[Stubby]

  aspenarb said:

I dont spend much time on a saw these days Stubbs but I do keep a couple of those one shots in the truck for emergencies, our normal mix is 25/1 but cant say I have noticed the smoke difference on the odd occasion I have used the one shot. Just for the hell of it and not to be outdone by JB I am going to try that asprin fuel you lot keep going on about ( in secret )

 

 

 

Bob

 

I wont tell a soul