This engine has been developed to be used with a fuel with a maximum of 25% nitro content and with an oil percentage not lower than 10%. We therefore suggest not to use it with different percentages compared to the ones specified here above. The sleeve has 7 transfer ports . The special shape and positioning of the ports, covered by a patent, improve the internal fluid-dynamics to obtain the maximum possible performance. The crankshaft has a special shape to reduce turbulences inside the crankcase. The front part was extended to improve the seal against fuel leaking.
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