The engine is the most well-balanced and has high durability in this categoly, inheriting the smooth and easy-to-handle feel of the previous model, the power in the mid- to low-speed range has been improved by reviewing the crankshaft’s counterbalance.
Slow-drop and idling performance are also improved, providing optimal performance even in long, harsh racing scenes.The outer head has been upgraded to the 0.S.SPEED R21 EURO II with improved cooling performance and other features.