*Cannot be installed on other than stock head. *The Cub 100EX requires some modification to the crankcase even with the 105cc kit.Please refer to the instruction manual. *SP Takegawa does not sell the Big Bore Carburetor Kit for CD90 (with special manifold). *There may be changes in product specifications due to manufacturer reasons.Please note.
■ Details The S stage allows you to increase the displacement without changing the stock cylinder head and crankshaft. Auto decompression camshaft included.
■Φ57 scut cylinder/piston Bore diameter 52mm The Φ52H cylinder is the same design as the original cylinder of the Cub engine in appearance. The cylinder is equipped with a temperature sensor as standard. You can measure the cylinder temperature by purchasing SP Takekawa thermometer built-in meter or thermometer. Φ52H Cylinder:M5 Temperature Sensor Cast pistons are used. The piston skirt is coated with molybdenum for better initial adhesion.