Here are the service manual's for a few of the bigger Daytona engine's
Daytona TRex 150E 2V PDF Manual
http://mypitbike.ru/downloads/Daytona150E.pdf
Daytona Anima 150F 4V PDF Manual
http://mypitbike.ru/downloads/DaytonaAnima150.pdf
Daytona Anima 150FDX 4V & 150FLX 4V PDF Manual
DAYTONA ANIMA...