■ e-Stage Bore Up Kit 143cc
By changing the piston and cylinder, the displacement can be changed from 124cc to 143cc.
By installing the FI CON TYPE-e(injection controller) and big throttle body simultaneously, can be obtained an output characteristic that is different from the stock engine.
Adopt castings piston and Aluminum Cylinder (Iron Sleeve).
The surface of the cylinder is painted silver.
※The cylinder does not have an oil outlet boss to the oil cooler.
Bore diameter 56mm, compression ratio 11.2:1, stroke 57.9mm (Stock)