10 - EnglishElectrode gapmm/inchAir gapmm/inchCarburettor type120 model: 0.60 / 0.024 0.3 / 0.016 RUIXING H182A2-01-B125 model: 0.60 / 0.024 0.3 / 0.016 RUIXING H182A2-BAH182A2-BC3 Technical dataTechnical dataDisplacementcm3/cubic inchCylinder diameteØ mm/Ø inchStroke lengthmm/inchMax. output/speedkW/hp/rpm120 model: 35 / 1.38 37.9 / 1.49 31 / 1.22 1.44 / 1.96 / 9 000125 model: 40 / 1.57 40.5 / 1.59 31 / 1.22 1.52 / 2.07 / 9 000Usable cuttinglengthcm/inchChain speed at 133%of maximum enginepower speedft/s / m/sChain pitchmm/inchDrive linkmm/inch120 model: 32.5-37.5 / 13-15 74.8 / 22.8 9.52 / 0.375 1.32 / 0.052 - 1,57 / 0.062125 model: 37.5-42.5 / 15-17 74.8 / 22.8 9.52 / 0.375 1.32 / 0.052 - 1,57 / 0.062