May be useful…
https://www.parduebrothers.com/minibike/twospeedthreechainminibiketransmission.pdf
https://www.thecarburetorshop.com/Troubleshooting.htm#Hardstarthot
http://www.ankn.uaf.edu/publications/vs/magneto.html#:~:text=The strength of the spark,under pressure within the cylinder.
https://www.bmikarts.com/Go-Kart-Gear-Ratio-Calculator-Jackshaft-Setup
but some may still want you to draw them a picture….
https://www.parduebrothers.com/minibike/twospeedthreechainminibiketransmission.pdf
https://www.thecarburetorshop.com/Troubleshooting.htm#Hardstarthot
http://www.ankn.uaf.edu/publications/vs/magneto.html#:~:text=The strength of the spark,under pressure within the cylinder.
https://www.bmikarts.com/Go-Kart-Gear-Ratio-Calculator-Jackshaft-Setup
but some may still want you to draw them a picture….
