In addition to light lube, the Drive has three grease locations:
About once every couple of years depending on use (or when they start squeaking) they should be regreased, especially if they haven't been kept moist with a light lube. Hobie uses a marine grade
axle grease (also specified for boat trailer axles). If you use a non-marine grade, it will wash out relatively quickly. Auto parts stores frequently carry this at a reasonable price -- call around. One small can will last a lifetime.
This project entails a major disassembly and re-tuning of the Drive. If you're at all mechanical, it's best to learn how to do this yourself. If you're not up to it, try to find a knowledgeable
dealer who can handle the job (not all dealers are mechanics -- don't assume that they are).
You don't have to tackle all three shafts at once. Each one can be a separate project. PS Also note, any time you (or your dealer) disassemble the Drive, always use new Nyloc nuts for your cables (6 required). The old nuts lose their locking ability once cycled a couple of times because the cables use unique slotted threads that tend to shred the "Nyloc". This applies to cables and cable/chains only.