Yamaha YZF YZ 400 (1998-1999) WRF WR 400 (1998-2001) Exhaust Header Pipe Gasket Seal

Yamaha YZF 400 (1998-1999) WRF 400 (1998-2002) Exhaust Header Pipe Gasket Seal

This sealing ring fits between the header pipe and the cylinderhead, it fits the following year models:

YZF 400 1998-1999.

WRF 400 1998-2001.

Old leaking gaskets allow air to be sucked into the exhaust and causes "exhaust Popping" as unburnt fuel is ignited. Always fit a new gasket after removing the header pipe.