this is better

code/game/objects/items/weaponry.dm

@@ -272,7 +272,8 @@ for further reading, please see: https://github.com/tgstation/tgstation/pull/301
 	righthand_file = 'icons/mob/inhands/weapons/swords_righthand.dmi'
 	slot_flags = ITEM_SLOT_BELT | ITEM_SLOT_BACK
 	w_class = WEIGHT_CLASS_BULKY
-	force = 9
+	force = 7 //how much harm mode damage we do
+	var/stamina_damage_increment = 4 //how much extra damage do we do when in non-harm mode
 	throwforce = 10
 	damtype = STAMINA
 	attack_verb = list("whacked", "smacked", "struck")
@@ -323,6 +324,8 @@ for further reading, please see: https://github.com/tgstation/tgstation/pull/301
 /obj/item/melee/bokken/Initialize()
 	. = ..()
 	AddElement(/datum/element/sword_point)
+	if(!harm) //if initialised in non-harm mode, setup force accordingly
+		force = force + stamina_damage_increment
 
 /obj/item/melee/bokken/attack_self(mob/user)
 	harm = !harm