Hello and welcome, please share some more info about your whereabouts.
Cable that "haak vas" you can use some 3 in 1 oil, let it run through the whole throttle cable and come dripping out on the other end, it could also be that you may need a stronger spring on the carb to pull back the cable.
On the miss, check all plug leads, they could be tired and need replacement, also replace the spark plugs while you're at it and get yourself a can of carb cleaner, and clean that old carb properly.