PISTON KIT 98-01 YFM600 95.00, NAMURA NA-40007

Part no 56-W4797+00A.NT (phoenixmotos.com)
Yamaha ATV YFM600 Grizzly 1998 - 1901,
YAMAHA XTZ600, XT600, XT600E, TT600, TT600R, SRX600 1984 - 2004,
Namura 95.00mm piston kit (Namura part no NA-40007)