MODEL KT1E40F/KT1E40F-H KT1E43F/KT1E43F-H MODE Vertical, single cylinder, 2-stroke and strong air-cooled BORE*STROKE(mm) 40*39.6 43*39.6 COMPRESSION RATIO 7.2:1 6.9:1 RATED POWER AND ROTATE SPEED(kw/rmp) 1.8/5500 1.9/5500 FUEL CONSUMPTION (g/kw/h) 540 476 MAX TORQUE(N. m/rpm): 4.0/4500 4.6/4500 SPARK PLUG: E5T GASOLINE#: RQ-90 LUBE: HQ-10( or Special machine oil for 2-stroke) MIX COMPRESSION RATIO (GASOLINE AND LUBE)(VOLUME RATIO): 25:1 FUEL CAPACITY(L): 1.5 MIN RATED ROTARY SPEED UNDER UNLOAD (r/m): 1500+-150 ROTARY( OUTPUT END) Counterclockwise OVERALL DIMENSION(L*W*H): 10