This is a fantastic engine and works great as a replacement for the most of the smaller hp engines. This is great for camping, hunting, boating or just general purpose use. This engine has a keyway and a tapped shaft making it a versatile little engine. With Honda Technology means that this engine was built using the same technology as the Honda engines. Also the Honda parts will fit it with out a problem. This is as close as you can get to a Honda without the Honda label and price tag. This is great for anyone building a go kart, generator, log splitter or mini bike. Compare it to the price of a Honda engine, you will pay $4-500 for the same thing. LOOK AT THE GREAT FEATURES: • High Quality OHV Gas Engine • Horizontal Shaft that is and industry standard ¾” diameter, 2 7/16” long with a 3/16” x 1 ¾” keyway. The shaft is tapped for screw in applications like a centrifugal clutch, pulley, generator, etc. • Electronic Ignition for easy starting and years of dependable service • Low Oil Sensor with automatic shutoff • On\Off turn switch for easy operation • Choke lever and Throttle lever that can be operated by the lever or by a cable making it an easy fit for a go kart or mini bike • Maximum Output: 6.4 bhp at 3,600 rpm • Torque: 9.76 ft-lbs @ 2,500 rpm • Displacement: 12.0 Cubic Inches • Bore x Stroke: 68mm x 54mm • Idle speed: 1400 rpm • Dry weight: 35.3 lbs • Dimensions: 13.2” H x 12.3” L x 14.8” W • Fuel Capacity: 1 Gallon • Recoil Starter • Industry Standard bottom bolt pattern • The side is also bored and tapped for side mounting applications. • Engine life expectancy: 3,000 hours • All my engines are Red, used to have blue but do not anymore.