ApplicationDirect compatible for Honda compatible the 4 stroke GX160 5.5hp engineEngine DetailsEngine Type : 168F / Air Cooled 4 Stroke OHV Single CylinderBore Stroke :70x55mmDisplacement :168CCCompression Ratio : 8.5:1Maximum Output : 5.5 HP / 4.1 KWRated Output : 4.0 HP / 3.0 KWStarting System : PullstartEngine Oil Capacity : 0.6 LitreFuel Capacity : 3.6 LitresDimensions : 330H x 360L x 305W mmGross Weight : 16 KGAir Cleaner : Semi DryDiameter of drive shaft : Metric 19mm / Imperial 3/4\'\' / keyway 5mmThread diameter of crankshaft / driveshaft: 7mmEngine rotation: Anti clockwiseSpecificationOverall Length: 360 mm / 14.17 inchesOverall Width: 305 mm / 12.01 inchesOverall Height: 330 mm / 12.99 inchesLength of Drive Shaft: 58.5 mm / 2.3 inchesDiameter of Drive Shaft:20mm / 0.79 inchesDistance Between Bottom Fixing Holes (Clutch Side, Centre of Eye to Centre of Eye): 165 mm / 6.5 inchesDistance Between Bottom Fixing Holes (Pullstart Side, Centre of Eye to Centre of Eye): 165 mm / 6.5 inchesDistance Between Bottom Fixing Holes (Pullstart to Clutch across, Centre of Eye to Centre of Eye): 77.06 mm / 3.03 inchesDiameter of Drive Shaft: 20 mm / 0.79 inches，NOT 0.75 INCH, NOT 3/4\'\'Notice: Please double check the diameter of driver shaft and the Length of Drive Shaft / Crankshaft !!!Feature- Recoil pullstart with manual choke and fuel cut off.- Durable, reliable and versatile capable of multiple domestic and commercial applications.NotesPlease measure your shaft with digital callipers before ordering to make sure you get the right model.All engines are brand new and packed without engine oil.Engine oil should be added as per the specification table.When first adding petrol / gasolene for initial start up, use the carburettor drain plug to bleed the carburettor for easy starting.