Here are a few tutorials on polygon modeling. also go through the forum threads on polygon modeling here at simplymaya.
https://www.blackorb.com/mayagiraffe3d2.html
https://www.aliaswavefront.com/en/Com...ear/index.html
https://www.highend3d.com/maya/tutori...rs/starwars.3d
Try working from a blueprint - you can find blueprints here: https://www.suurland.com/
https://www.geocities.com/Augusta/9275/index.htm
i couldn't find any motorcycle blueprints tho i've seen them b4...
good luck
Check out the subsurfacescattering on my tongue...
<a href="https://www.reitzmachine.com">www.reitzmachine.com</a>