frankd Posted February 7, 2010 Share #1 Posted February 7, 2010 I've got my 89 in pieces--it's winter and a great time to do Preventative Maintenance. I pulled the shaft drive apart to grease the front spline. Is there any reason for me to pull the shaft out of the gearbox and lube the rear spline?? Or is the designed lube flow (from the gearbox) just fine and never given anybody a problem?? If I pull it apart, do I just take the snap ring off and slide the washer off? Frank Link to comment Share on other sites More sharing options...
MiCarl Posted February 8, 2010 Share #2 Posted February 8, 2010 The oil seal is bonded to the coupler. You'll ruin it removing. If it were me I'd pull it apart and lube it. It's probably been 20 years. You'll need a new oil seal though. Link to comment Share on other sites More sharing options...
dingy Posted February 8, 2010 Share #3 Posted February 8, 2010 The oil seal is bonded to the coupler. You'll ruin it removing. If it were me I'd pull it apart and lube it. It's probably been 20 years. You'll need a new oil seal though. Carl, Do you have to have the seal ? Do the MKI's not have this ? Gary Link to comment Share on other sites More sharing options...
MiCarl Posted February 9, 2010 Share #4 Posted February 9, 2010 As I recall the MKIs do not have it. The MKIIs do, and I believe the 2nd gens do. Based on the number of MKIs that have ruined splines I'd guess that the engineers at Yamaha decided they needed to keep dirt out, grease in, or both. Link to comment Share on other sites More sharing options...
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