PISTON KIT 88-13 CRF XR50 41.0, WISECO 4798M04100 HONDA MX

Part No. 56-W4798+200.NT (phoenixmotos.com)
HONDA Z50R 1988-99,
HONDA XR 50F 2000-03,
HONDA CRF50F 2004-13,
PISTON KIT NAMURA 41.00mm BORE 4 Stroke. Over Size

2.00mm.
Cross reference numbers. NAMURA NX-10051, 13101-GBZ-701, PROX 01.1040, Wiseco 4798M04100,