2008 Honda Aquatrax ARX1500T3/T3D factory service manual, Page 350Get this manual
PROPULSION SYSTEM Check the rubber coupling for deformation, cracks or other damageRUBBER COUPLING
Check the splines of the drive shaft for wear or deformationAlso check the driven coupler and impeller conditionCheck the polished area for irregular surfaceSet the drive shaft in an inspection stand and measure the shaft runout with dial indicator each point of the shaft center and polished areaSERVICE LIMIT: 0.2 mm (0.01 in)