xtremepowerus electric start 7 hp go kart gas engine log splitter recoil/electric start engine gas power gasoline ohv motor, black xtremepowerus xtremepowerus electric starts 7hp engine is offered with a 0.75in horizontal keyway output shaft, a tapered output shaft (generator engine replacement), threaded output shaft (fits water pumps), and a 5/8′′ threaded output shaft. whether it's replacing your old log splitter or completing your go-kart build this industrial grade ohv engine is epa certified, extremely quiet, and dependable. features: it provides enough power to run a wide range of equipment, including log splitters, pressure washers, go-karts, and more provides industrial-grade strength to get the job done durable design runs quiy and provides smooth operation the operating fuel is standard 87 octane or better gasoline a low oil shutoff functionality turns the engine off to prevent serious damage or failure specifications: applications: go-karts, pressure washers, trailer mounted - mobile carwashes, log splitters, rototillers - cultivators, water/trash transfer pump fuel type: gasoline engine type: industrial grade ohv gasoline engine horse power: 7 engine displacement (cc): 212 max power: 7hp @ 3600 rpm starting system: electric start alternate start system: e-z pull recoil starter fuel tank: 1gal oil system: splash reduction type: none engine cooling type: forced air cooling bore/stroke: 70 x 55 shaft type: keyed - straight shaft diameter: 3/4" diameter, 3/16" keyway shaft length: 2-5/8" total, 2-5/16" usable shaft i.d. thread size: 5/16"-24 drilled and tapped universal mounting 4 bolt patterns overall dimensions: 12.5"(l) x 15"(w) x 14.25"(h) package includes: shaft gasoline engine manual