e-Stage N15 Big Bore Kit 143cc GROM (JC61-100/130~･JC75-100)･MSX125/SF

This big bore kit allows you to increase the displacement from the normal 124cc to 143cc by changing the cylinder and piston.
When installed simultaneously with the FI-Con 2 (injection controller), it achieves powerful output characteristics different from the normal setup.
The cylinder adopts an aluminum iron-sleeved cylinder.
The cylinder surface is painted black, similar to the stock one.
The piston skirt is molybdenum coated to ensure good initial break-in.
Compression ratio 11.0:1 Bore diameter 56mm Stroke 57.9mm (stock)
Simultaneous installation of FI-Con 2 is required.
Applicable models
:GROM (JC61-1000001～1299999)
:GROM (JC61-1300001～)
:GROM (JC75-1000001～)
:MSX125 (MLHJC6181D5000001～)
:MSX125SF
*Images are for illustration purposes only. The design and specifications of the products shown are subject to change without notice. Please be aware of this.