Supra SR Owner's Manual page 80

Component Lubrication
Normal use of your Supra causes metal to metal movement
at some parts in the boat. The driver's seat track should be
lubricated with a water resistant chassis lubricant such as
silicon grease.
© 2016 Skier's Choice, Inc.
Dripless Shaft Seal
Your Supra comes standard with a dripless shaft seal. If any
seepage occurs, contact your dealer.
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