PISTON KIT 00-06 YFM400 85.50, NAMURA NA-40008-4 YAMAHA ATV

Part No. 56-W037_100 (phoenixmotos.com)
YAMAHA YFM400 FW Kodiak 2000 - 2006,
YAMAHA YFM400 Grizzly 2007 - 2008,
Namura 85.50mm pitson kit.
Cross reference numbers ONLY.

5GH-11631-00-00, NA-40008-4