Uma Racing Engine Block for Yamaha Ego
Performance parts from Uma Racing is well accepted by most bikers here in Malaysia. Now, they have introduced a racing block for Yamaha Ego.
They are two sizes available for the bore size that is 58.5mm and 61mm. Even a slight increase of displacement can affect greatly in the combustion chamber size. For example, Kriss 120 only needed to be bored by 1mm to increase the cc to 125.
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