The BONZI standard – Zenoah reliable air-cooled engine. 2-cycle piston valve type design, 22.5cc displacement 4 transfer port 32mm cylinder Includes Walbro WT-603 carb The Zenoah G230RC recoil/pull-starter system for easy starting.22.5cc2.8HP @ 14,000RPM1.3 ft/lbs @ 10,000RPMmix 25:1 100% synthetic 2 cycle oilincludes half clutch with shoes– Be sure to add a bottle of BONZI Break-in Oil – it is formulated to get the max performance out of your stock or modified engine by properly seating the ring to the cylinder through what is known as a scuffing process. Most 100% synthetic oils are so slick that they do not allow this process or take an extremely long time to do so.With just mixed 5 ounces to a gallon, it allows for complete break-in in just one gallon.

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