Yamaha YZ 400 2T 1W4 1977. Yamaha YZ 400 2T 2K8 1978. Over 40 years ago, the sandy, gravelly soils of the Netherlands - and the resulting engine failures - proved that foam and paper filters gave riders airflow but failed to protect them.

Brand: TwinAir
EAN: 8720239705850
UPC: 8720239705850
Manufacturer Part Number: 723.16.31