2023 OWNER’S MANUAL 
/
 410
A small amount of waterproof grease on the plug contacts and 
light bulb bases will help prevent rust and corrosion.
Before every trip, check for burned out or broken bulbs, cracked or 
broken light lenses, etc.
Trailer Runway Lights by XKGlow
XKGlow trailer runway lights are available on all MasterCraft Trailer 
Models. The lights are used for a number of dierent purposes, but 
generally they are designed to beautifully light a boat resting on 
its trailer. For instructions on operating and troubleshooting the 
XKGlow runway lights, see the XKGlow Operating Manual included 
in your boat’s Information Packet.
 HUBS, WHEEL BEARINGS, AXLES 
AND LUBRICATION
Trailers equipped with Dexter Marine Products or Georgia actuators 
are also equipped with Vortex hubs and spindles. The hubs are pre-
greased and assembled at the factory. As a result, they should not 
require any additional adjustments. The Vortex hub uses tapered 
roller bearings adjusted to a maximum .006 end play. The twelve-
sided castle nut easily maintains this maximum .006 end play.  
The configuration requires a minimal amount of end play that is 
factored in at the time of assembly.
The rear seal rides on a stainless steel wear sleeve. This provides 
longer life for the seal as the surface does not corrode.  
Corroded or rusted seal surfaces act like sandpaper on the seal, 
causing premature seal failure. Every reasonable attempt has been 
made to prevent this.