Karcepts KFL02 - Manual (Page 10)

5. FUEL LINE INSTALLATION (continued…)
5. Slide the remaining hose clamp over the shrink wrapped end of the return line.
Locate the factory return hard line and tighten the hose clamp firmly around the
hard line. Double check to make sure this connection is tight by tugging on the
line. You don’t want to dump fuel out at this location due to a loose hose
clamp. If the provided return line length is longer than desired, we recommend
using a single edge razor blade to trim it square and to the preferred length.