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The Kona logo on those levers is from '91 - '93.
Kona did not produce a bike equipped with V-brakes during this time, they were all equipped with canti's.
Don't think they sold a v-brake equipped bike until '96.
So no, those levers are short-pull for canti's.
From the tiny amount of the fork I can see, I guess that your Fire Mountain is a '96 and should have come equpped with Acera-X canti's.
Are these levers compatible with V brakes?
Kona Fire Mountain