50-1 in a 25-1 machine.

[Eddy_t]

Use aspen, keeps the engines clean, muffler doesn't get coked up, preserves all the other bits longer too

 

 

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[AlexB]

Use aspen, keeps the engines clean, muffler doesn't get coked up, preserves all the other bits longer too

 

 

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No thanks. On price difference alone I'd have saved enough already to buy another machine...... But I get what you're saying.

[GardenKit]

Aspen is defineately the ultimate in clean burn, but there also two stroke oils that reduce smoke and oil residue.

 

The red Stihl oil is not, however, one of them. Stihl recognised this a while ago and produced the much cleaner burning Ultra oil.

 

Your blocked exhaust is a typical result of using one of the cheaper oils.

 

Aspen is of course not only better for the engine, but also for the operators health.

[Eddy_t]

Out of interest, how does the stihl super compare to the regular and ultra?

 

 

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