The “Evo 3“ tuning cylinder offers several slight changes compared to its predecessor. The already well-engineered concept of the Evo 2 was basically adopted with only minimal adjustments. However, the exhaust design was heavily revised. Polini dismissed the concept of a main exhaust port with two auxiliary exhaust ports. Instead, the “Evolution 3” comes with a T-shaped exhaust port. This design offers enough potential to out-perform the Evo 2. A complete Evo 3 engine can reach the 25 hp mark!
It goes without saying that this kind of performance requires an all-out, high quality engine setup. Especially the crankshaft should be up to the challenge. We recommend our BGM Evolution shafts.
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