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To increase torque on high-grip track surface areas, a recently created 9-port sleeve is adopted. O.S. SPEED's traditional DLC covered crankshaft provides direct power from low to top by changing the counter balance. The external head has actually been mirror finish and by clear coat from the standard color to a silver head base has actually been adopted. By embracing a thrust plate made out of steel, wear due to interference between the linking rod and the cover plate throughout rotation is reduced and engine life is improved.
Adopting the current style to many part of the engine, it is completed with content ideal for the flagship of the O.S. SPEED on-road engine.
To increase torque, the sleeve adopts freshly created ports.
By redesigning of the crankshaft's counter weight, power delivery from low to top is improved.
Refined finish is used to the silver head base from the standard color.
A brand-new mold was adopted for the crankcase, and the O.S. SPEED logo was used to the outside style.
Based on 21M, which already had an excellent reputation, by changing the needle O-ring from 1 piece to 2 pieces to prevent the needle change from changing.
By embracing a thrust plate made out of steel, wear due to friction between the linking rod and the cover plate throughout rotation is reduced and engine resilience is improved.
TAM60794
