is a 1981 suzuki ds 80 a 2 or 4 stroke?

[imported_just_wondering]

i picked up a beat up used ds 80 and not sure if it is a 2 or 4 stroke ?
how can i tell ? how do i wire it ? what all goes on the carb? where should i set the idle screw?

 

[Johnny D]

Purchanse a service manual , wont cost that much will answer all your questions. Provide year model and serial number for correct manual.