Welcome to iboats, Blades.
About your boat:
Model SL14
Length 13' 9"
Beam 52"
transom height 16"
transom width 48"
Weight capacity 3 persons - 450#
Total weight capacity, persons, motor, and gear - 640#
Maximum HP 15
dry weight 120#
Manufacturer Starcraft Marine, Topeka IN
Go here:
https://www.garzonstudio.com/boat/capacity-decal.html
Pick out a capacity plate similar to yours, fill in the info, and you'll have a new one in a week.
Happy boating.