Forgot my last statement. You might want to look into a HONDA VFR Fuel cap or any late model sportbike Fuel cap. They come in many colors and looks identical to what is on the VX. If Isuzu and Honda are in cahoots then maybe they took it out of a HONDA MC. For those looking for a different color cap then this might be an option. Or pick one and polish one up so that your original stays originalFor the Black Matte finish to match the cladding looking into the HONDA Black Bird sportbike.
Cheers