She's far from autistic. I don't mean to sound like a simp, but there are plenty of women on Y'tube who work on cars. They get followers just because they're cute and they like cars.
Sarah is a cut above. She's a well-trained mechanic and she knows her stuff. She briefly did car reviews for...
Yup. I had to re-jet my motorcycle when I moved to Colorado. Modern cars and bikes can adjust for that on their own.
You only HAVE to use premium fuel if the mfg. says so or you get an aftermarket tune that requires it. My little Fiesta has a custom tune that has to have 93. If it's not...
They're both pretty short, so it's a lack of leverage. I'd suggest weightlifting until you had arms of steel, but that wouldn't help much. You're just not tall enough to do it easily.
Maybe some picnic table benches on each side would get you high enough to get it off more easily.