The fuel mixture for a Stihl chain saw is gas and oil.
correct plug is NGK BPMR7A
The Stihl 064 is a 84.9cc chainsaw.
At your local Stihl dealer
Stihl 029 super 56.5cc 3.8hp
$100
Can I put a 18inch bar on a stihl
I believe 111cc's or 6.77ci's.
Some Stihl chain saws have an adjuster underneeth the saw to turn up the oiler .
For a 20" Bar 325 Pitch .063 Gauge Chain 81 Links
Not satisfactorily. The 021 is a lightweight saw.
I wish I knew I have the same problem.Just a flemsy handle.