I'm downloading a manual from emule. I don't know if is true.
The Yamaha Jog 98 is a scooter from the Yamaha company. You can download a manual for it from the manufacturer.
provoscooters.com
http://rapidshare.com/files/97334098/2007_C3_LIT-11616-20-58.pdf.html
http://manuals.wotmeworry.org.uk/More%20Manuals/Yamaha/Yamaha_Neo's_50-Service_Manual_(2002).pdf
You can order one for about $16 or download a free manual. See the links.
coolo
http://www.scootertime.net/viewtopic.php?f=39&t=954
The Yamaha P450 that I have is a prototype and has no manual. It was manufactured ca 1973-74.
I want
You can download a copy from: http://www.starmotorcycles.com/star/service/viewmanuals
The Yamaha company can direct you to the proper place to retrieve the owners manual for your Yamaha inboard. They may be able to send you a copy of the manual.
from the Yamaha website