BTW - overly rich fuel-mixtures, in addition to robbing you of power, quenches and cools combustion and gives smoother output. Which lots of people think is more powerful. Nope...
When tuned for max-power @ 13.5:1 AFR, bike will run rough, raw and temperamental. It will make the hairs on back of your neck stand up when you mount it. Such bikes demand respect and attention, you can't just ride it, you have to manage it.
Throttle has to be precisely controlled at all times or it'll just stall or turn tyres to dust, pretty much very little in between. Anyone's who've ridden such bikes will only speak of them in hushed voices. Such as when they downshifted to 4th gear on freeway and bike screamed and wheelied over lazy Corolla hogging left-land ahead...
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