vapor lock

[martyslc]

I have a 2005 XLV that vapor locks every time I take it to Lake Powell. I'm pretty sure that it's the pump itself because it's mounted to the engine.

Has anyone had this problem and does anyone have any suggestions?

Here's what I have found out.

1- Replace fuel filter
2- Let boat run a few minutes after a hard run to lower temp
3- Turn blower on during and after a run
4- Use good high grade gas
5- Make sure there's no kinks in fuel line


I would like to install a second pump before the fuel filter to help push the gas and I was wondering if anyone knows the psi that indmar is sending out to rectify this problem on the 07's?

Thanks,
Marty

[cab13367]

marty,

Please read the post from Engine Nut in the link below. He is with Indmar.

Al

http://www.moomba.com/msgboard/viewtopic.php?t=4534

[martyslc]

Does anyone know what the PSI is on the pump that Indmar is sending out to rectify the problem on the 07 models?

-Marty

[Engine Nut]

Does anyone know what the PSI is on the pump that Indmar is sending out to rectify the problem on the 07 models?

-Marty

The pump we are using is the HVLP pump that was used on the carbureted engines which is approx 6-8psi. The pump itself is easy but you also need to be able to tap into the existing fuel pump wiring so the second pump only runs when the high pressure pump on the engine does. We really didn't see vapor lock issues on those models. I suspect you may have some other issue with the boat's fuel system like a sticky anti siphon valve or some other restriction.