Went for a ride yesterday through the beautiful forestry trunk road of Alberta. Put 89 km on then topped up before hitting backcountry. Did the loop and at about 450km ran out on main tank. Switch to reserve got to 483km. However wasn’t near a town however luckily i knew a farmer in are so we did the layover trick and made it to his place where he gave me a full tank for free but a had to have a beer with him lol (wouldn’t take a nickel and wouldn’t give me fuel unless we had a beer lol) Nice guy. Anyway the ktm i was with was just under half so I assume i was close to same or slightly under that. Is that petcock to long to drain tank completely?