Stringers are the wood that runs along the bottom of the boat on the inside, that the motor mounts to.In the early years full stringers were put in, which would be along the bottom of the whole boat. My friend has a 77 Spectra 20 Jet and the stringers stop after the motor. Which is kind of nice because there is alot of space under the bow.These boats are laid up heavy so there has never been a big deal about full stringers or not. Full stringers make you feel better about runnin it hard. All the V-Drives have full stringers to mount all the hardware. Great Boat, Bitchin Deal!!! Enjoy!!