steering spindles interchange and models and years?

[TravelinJavelin 620]

well after riding around on my C-120 today I noticed that the left spindle had been welded and kind of cocked off so got to replace it and was wondering the years of the C series what it will fit or from b -series possibly any help would be great please

[953 nut 51,541]

They are all 3/4" and if the tire size is the same it will work.