Yep, but the jets may be different. Sounds like all you really need is a float needle and seat or it may just be the little o ring on the base of the needle seat. # 10 in the diagram. Alcohol in the stuff they call gas these days will eat them over time and make it leak."All 500 HOs had the same carb. BST 40mm" So does that mean that the 05 kit will work for the 06?