Moto Iron 2.1 Gal. Narrow Alien Gas Tank Frames & Fenders Big Twin Parts your tank should be sealed

your tank should be sealed with Kreem gas tank sealer before painting to protect the final finish and prevent internal rust during storage

If yours is missing

an overzealous previous owner may have warped the flanges by overtightening them in an effort to stop the leak

All fenders are in raw metal

This is a very easy mod to do to your Yamaha XS 400 and makes long trips much more comfortable due to the fact that your legs are extended forward rather than bent

Moto Iron 2.1 Gal. Narrow Alien Gas Tank Frames & Fenders Big Twin Parts your tank should be sealedMoto Iron 2. 1 Gal. Narrow Alien Gas Tank 2. 1 gallon capacity Pressure tested Accepts bayonet style (cam lock) fuel cap; not included Threaded ports to accept either 3 8" petcock or 1 4" petcock Unused port(s) will need to be plugged; plugs available separately Tongue type mounts 18 1 2" tab to tab, tank body 17" Though these tanks are pressure tested from the factory, pressure testing before applying filler or paint is standard practice. If needed,