Bore Up Piston Kit 156cc for CYGNUS X and CYGNUS X SR

【POSH Faith 22156 Big Bore Piston Kit 156cc CYGNUS X / CYGNUS X SR】
Compatible models:
YAMAHA
・CYGNUS X
・CYGNUS X SR Bore: 58.5mm
Compression ratio: 11.8:1 Material: Aluminum cylinder (cast iron sleeve) Product specifications:
・Adopts a piston kit machined from forged aluminum for exceptional durability, with reliable TP piston rings.
・Excellent performance can be achieved by installing an oversized injector (sold separately).
*POSH settings use 9g x 6 rollers. Depending on the muffler and drivetrain parts installed, the weight roller weight may need to be adjusted.
*If using a setup other than POSH oversized injectors (e.g., an injector controller), there may be slight discrepancies in fuel adjustment.
*Images are for illustration purposes only. The design and specifications of the products shown are subject to change without notice. Thank you for your understanding.