Moose Gastank Gas Tank Blue Vent Tube Fits Honda Kawasaki Suzuki Yamaha Cr80 Cr85 Cr125 Cr250 Cr500 Crf80 Crf100 Crf150 Crf230 Crf250 Crf450 Xr80 Xr100 Xr200 Xr250 Xr350 Xr400 Xr500 Xr600 Xr650 Kx60 Kx65 Kx80 Kx85 Kx100 Kx125 Kx250 Kx500 Kx250f Kx450 Klx110 Klx125 Klx140 Klx250 Klx300 Kdx200 Kdx220 Rm65 Rm80 Rm85 Rm125 Rm250 Rmz250 Rmz450 Dr200 Dr250 Dr350 Drz110 Drz250 Drz400 Yz80 Yz85 Yz125 Yz250 Yz250f Yz450 Yz490 Wr250 Wr450 Ttr90 Ttr110 Ttr125 Ttr230 Ttr250 Yz40 Yz426 Moose aluminum vent caps are a high-quality replacement for the standard rubber vent hoses Built-in one-way valve allows airflow in, but not out