This is a crankshaft that comes with a bore up kit.
Reduced rotational mass provides superior power and response in high rotational ranges, without sacrificing low torque.
It also has a built-in ultra-fast precision bearing to reduce friction loss.

Installation requires simultaneous replacement with the piston kit that matches each displacement.

From the Manufacturer

Kita’s a motorcycle specialist

Kitaka is based in Osaka.

I like motorcycles, and know how they feel like you.

Kitako attracts the owner of this heart.

Through development, manufacturing and sales of high quality products, we can meet each needs and support our dreams.

Then we create and propose a motorcycle world that is safer and richer.