Most simple locks have pins or cams inside that are very easy to remove (that is, once you get to the mechanism, which requires you to unlock it in the first place, which does not help you much I guess).
But it's surprisingly easy to remove tumbler pins or simple cams in locks so that in the future all you need to unlock them is any key or even a key-like piece of metal. My old Honda Civic was like this. I got so disgusted with myself for locking the keys in the car... and then later that day locking the fucking hide-a-key in the car.... that I just pulled off the door liner and attacked the lock. On mine there was a simple stamped spring-steel cir-clip holding the tumbler pin in. I pried off the cir-clip, removed the little loose tumbler pins with tweezers, and replaced the clip.
It remained like that for ten years. I loved it. Once in Savanna GA I came back to my car to find the driver's side window smashed in and my stereo pulled halfway out of the dashboard. The guy must have gotten interrupted. I thought the episode was pretty funny because it would have been a hell of a lot easier if he'd just opened the door with his car key. But what possible reason would he have for guessing that his key would work? Exactly.
Same logic works for ignition as well. Just hardwire it and find the most obscure spot on the ped possible for a toggle kill switch (not momentary).
Anyone trying to start your ride to steal it (unless they were watching you really closely when parking it) is gonna be in too big of a hurry to find a hidden kill switch. And you'll never loose your "key". Heck, I could hotwire your ped a LOT faster than I could find your hidden kill switch. Hot wiring only takes a safety pin shoved through the right two wires. (edited)