Has anyone with an Oasis experienced a difficult to operate rudder lever from the rear, or had the set screw back out on them? Also is there a proper procedure for lubricating the metal steering mechanism?
Yes, I've also had the screw back out on the new style rudder handle. When you put it back in , use a dab of Loctite Blue to hold it and it will stay put. It screws in with a 1/8" Allenhead wrench as shown here:
Note, this applies to the new style rudder handle only -- if you notice any wobbliness with the rudder handle, the screw is probably coming loose. Don't wait for it to fall off (as I also did). Pop the decal off and reinsert the screw with a drop of Loctite and you'll be set. If the handle comes off on the water and you have a 1/8" Allenhead wrench in your kit, you can repair it on the spot. If not, you can probably insert the screw sufficiently with a nearby twig, needle nose pliers, or anything small enough to fit in the Allenhead pocket to get you back. If not, you have your trusty paddle available as an expedient rudder.
This is apparently not an issue with the newest boats, as Hobie is reportedly now Loctiting the rudder handle screws at the factory.
The dual control rudders (Oasis and Outfitter) have more system friction than the singles. A little silicon spray on the steering crank shaft and spring from underneath and on all other pivot points on the system should help.
Thomas, the rudder handles are not interchangeable. You need to also change the steering crank. Depending on the model, this may or may not fit your hull.