Bosch Nickel Spark Plug 9.5mm - Genuine OEM for Solo & Stihl Motorcycles
STIHL 1110 400 7005, 1110 400 7005 A, 1113 400 7000. Thread Pitch [mm] 1,25. Spark Position [mm] 3. SOLO 23 00 389. Generally speaking, yes! The only problem with mixing oils is that the quality of the better oil is diluted by the lesser one.