YUASA Battery YB5L-B
This vented 12V battery was used mostly on 70's and 80's Honda and Suzuki scooters and small motorcycles.
Dimensions are 4.75" wide (including vent) x 2.375" deep x 5.125" tall
5 amp hour capacity
You will need to add acid to this battery. The acid is available for purchase at any local automotive parts store.