This is to bigbill. Those seals around yourlower fork legs are rubber. never use a petroleum product on rubber, use a silicon product since this will not damage your fork seals.
Angelis

1200CC BIG BORE, W/WISECO PISTONS,.250 STROKED CRANK, PORTED/POLISHED HEADS AND LARGER VALVES, CUSTOM WELDED EXHUAST, DUAL 42MM MIKUNI CARBS.