A small leak began on my stock, 1989 Shadow VT1100c 35K miles. Scotty, youtube mechanic recommends APT AT-205, a polymer sealant oil additive be added with oil change to rejuvenate rubber seals & gaskets as a method to mitigate oil leaks. Given the '87-93 VT1100c engines use a "wet clutch" system, certain synthetic oils aren't recommended as they'll cause clutch slippage. I use Shell Rotella T4 15w-40 and change every 1500 miles. It has worked well, and since changing clutch plates 3 yrs ago, no slippage. My concern is if the Oil re-sealant will work as it should without creating clutch slippage. ie. ATP AT-205, Lucas Oil 10278, and Liqui Moly Motor Oil Saver. These products are designed to condition seals and stop minor oil leaks effectively from inside and avoid costly seal and/or gasket replacement. I can live with the small leakage (I'm talkin' 2 drops, quarter sized, per 2 wks) but am curious if adding sealant to oil is safe and will not create any new issues to deal with. I appreciate any & all comments from experience(s). Thx. j