Stihl 2 stroke enquiry

In my strimmer manual it says if the 2 stroke oil is any type other than Stihl's, the mix must be twice as strong ie 25/1 instead of 50/1.

As I use decent 2 stroke brands, such as Shell/Castrol is this statement by Stihl accurate?

Reply to
Gel
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Stil use 2 stroke oil that conforms to JASO FC, so if you check the spec on your 2 stroke oil's label and it conforms to JASO FC, there is no reason why you can't use 50/1.

Using cheap 2 stroke oil at 25/1 will foul the plug and clog the exhaust eventually, costing you more in the long run.

Reply to
Kaiser

Castrol Scooting 2T I see has that approval; thanks.

Reply to
Gel

The chap who looks after my petrol gardening gear says that there need to be a little more oil than recommended, it prolongs active life.

Reply to
Broadback

I have never bothered to find out. I suspect that there are other oils equally as good as Stihls, but why take the risk?

Reply to
The Natural Philosopher

The Stihl oil is very clean we use it mostly and always at their recommended dilution. I have seen only one other oil which claimed to be its equal as regards dilution rtaes but its name escapes me. Other wise its 25:1.

You can buy the Stihl oil by the 5 litres which makes it more economical.

Reply to
Paul Mc Cann

Stihl, Husqvarna, McCulloch, Jonsered, all recommend that you use their own name 2 stroke oils at a lower dilution rate than if you are using other brands. The reason is some oils don't meet the requirements for high revving engines when mixed at 50:1.

Most (but not all) modern synthetic and semi synthetic 2 stroke oils, far exceed the spec's of Stihl oil at 50:1 and are capable of being used in high performance racing engines.

Reply to
Kaiser

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