No power

Check the piont gap.Shoul be .016.Then check teh throtle cable if it open the carb complete.

first you need to do a tune up. replace spark plugs, wires, distributor cap, rotor, and points. make sure you set the points. then check timing. while your doing this, you can get a look at the engine and see if anything else looks funny or wore. also check the throttle cable and carb linkage and make sure you are getting full throttle. without knowing the condition of these parts, your problem will be a shot in the dark.

Did the prior owner tell you there is a power loss before you bought It? The first thing I would is check your firing order of 1432. Without that you will have very little power. I had a 69 and 71. After the firing order is checked, do what Chris said above

I am the same problem on my 1971 Beetle 1600--fully tuned up-new plugs-new points-new condencer-in sact complete new distributor-new plug lead wires-timing is perfect--this car was never like this in the past-starts-ides perfect but on the road just sluggish and uphill battles to even keep a speed of 50km? Johnny Nair