A: Yes. Chapter 8 ("Scooter Blood Transfusion") specifically covers removing a 49cc 2-stroke engine and mounting a MY1020 electric motor.
The PDF contains a unique feature: a printable template section. Do not scroll past Page 142. Print the 1:1 scale paper templates for the chopper triple trees (the parts that hold the front forks). Tape them to the floor. Bike- Scooter- and Chopper Projects for the Evil Genius.pdf
In the sprawling universe of DIY mechanical fabrication, few book titles command as much respect and curiosity as those bearing the "Evil Genius" moniker. Known for their irreverent tone, circuit-bending chaos, and high-voltage problem-solving, the series has become a bible for hobbyists who aren't afraid to break a few knuckles—or traffic laws. A: Yes
The book was written when steel was cheap. If the project calls for "1-inch DOM tubing" and you have only "EMT conduit," the PDF includes a "Danger Zone" sidebar explaining when materials are interchangeable and when they will kill you. The "Evil Genius" Philosophy: Safety vs. Anarchy A critical note about this PDF: It is not for the timid. The authors openly state that you will probably hurt yourself, that your vehicle will likely be illegal to ride on public roads, and that you should invest in a quality helmet and liability insurance. Do not scroll past Page 142
You have two options: Spend three hours hunting through sketchy forums for a corrupted PDF, or spend $30 on a used print copy and scan it yourself. The "Evil Genius" chooses the path that leaves the most time for welding.
Because Brad Graham is an electrical engineer, the first third of the book obsesses over Ohm's law and soldering. If you are building a chopper, skip to the fabrication chapters first. Come back to the scooter motor controllers later.