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Racor LG50 Installation

Eliminate gas leakage from the fuel vent.

DISCLAIMER: TheMalibuCrew.com and the author of this article offer these instructions simply as a guide and hereby relinquish all liability and responsibility for the results of said instructions. By following any instructions set forth in this article, you agree that you are doing so at your own risk, and accept the consequences of your own actions. Again, we will not be held responsible should any undesired outcome result from following the instructions below.

This is by far & away one of the easiest yet most effective & useable mods that a person can do for their boat. If you have a problem with gas spewing out of the vent during fill ups or at any point when the tank is semi-full, then this will most likely solve the problem for you. (Note, this will only fix the problem with gas coming out of the vent. It won't do anything for gas overflow through the filler neck.)

Tools and Supplies Needed:
  • Racor LG50 Air/Fuel Separator
  • Utility knife or heavy duty scissors
  • Flat screwdriver
  • Piece of chalk or grease pencil
  • Phillips screwdriver *
  • Small length of 5/8" hose rated for fuel (available at Napa Auto Parts by the foot) *
  • 1 90 degree brass fitting, 3/4" barbed on each end (see picture below) *
  • 2 Appropriately sized clamps to go around the above mentioned hose *
  • Zip ties or other methods to secure the vent line when finished
* This installation was performed on a 2006 Wakesetter VLX. Because of the angle & location of the vent line, these additional supplies were used. Other models may not need these supplies, so check the vent line before making your purchases.

Estimated Time to Complete: 15-30 minutes
Difficulty Rating: Low

NOTE: The following recommendations must be followed for the LG50 to work as it was designed to:
  • The LG50 must be installed as close to the vent through-hull as possible.
  • It must be installed as close to vertical as possible.
  • There is a “top” & a “bottom” (it is labeled as such), & it must be installed correctly.
  • When finished, the vent line should be either level or traveling downward toward the gas tank.
Contents of the package

The Racor LG50 that we will be installing comes with the unit itself, a 90 degree adapter that you can replace one of the barbed ends with, zip ties & 2 clamps.
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Locate & remove the gas tank vent line. On the 2006 VLX, it is located ahead of the front panel in the port side rear locker. There are 3 screws in the panel to remove as well as the strut for the hatch.

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Taking care to follow & plan for the recommendations above, make a cut in the vent line. On our installation, we made the cut roughly 6 inches from the end of the line where it connects to the through hull fitting.

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You will probably need to remove a small section of hose, but to be sure of the length attach the top of the LG50 first by slipping 2 clamps over that short section of hose that you cut off of the end & then pushing the hose over the top barbed fitting on the LG50. Push the other end over the barb on the through hull fitting, & secure one clamp at the LG50 & the other at the through hull fitting.

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Then measure where the hose coming into the bottom should meet up when fully attached & make the appropriate cut. Install that end & use the other supplied clamp to secure it. Since our installation was done on a 2006 VLX & the angle/location of the vent line did not lend itself to easily following the above recommendations. Therefore we used a small length of hose with a 90 degree brass fitting at the bottom of the LG50. This allowed us to keep the vertical alignment & kept from having to risk any kinking of the vent line. This required the purchase of the brass fitting as well as additional clamps & a small section of hose, but it worked out well. So check your vent line & try to plan it out before making your purchases or cuts.

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When you are finished, check all of your clamps for tightness (making sure to not over tighten), including the clamp at the through hull fitting. Use zip ties or other preferred methods for securing the vent line along with anything else that had to be detached to do the install. Reattach any panels or other hardware that needed removing & you are done!

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