Welcome to the Jabiru Engine Forum!  We invite our members with Jabiru engines, and those with interest in Jabiru engines, to post their questions, problems, and successes here!  For "official" support, information, etc., contact Jabiru at Arion Aircraft.

John

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Zenith.aero Forum Moderator

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Thank you John.

This will be a great help to all.

Mack

Just a reminder to all Jabiru owners to be careful if they see an oil leak around the fuel pump to engine block spacer. Over tightening the pump mount bolts can increase your fuel pressure which will may cause a slight change in fuel mixture. How do I know? I tapped into the fuel line just ahead of the Bing carb. and installed a fuel pressure gauge in the cockpit and observed fuel pressure greater than the maximum the Bing calls for. Some people installed junk pressure regulators,(China), to reduce the pressure. Not good!!
I found that installing some thick gasket card stock I was able to shim the preload of the internal pump spring to obtain the exact pressure the Bing requires. I ultimately left the gauge installed as I had used one continuous length of 3/16" brake line from the tee by the carb all the way inside to the gauge. If I remember, 3psi maximum to a minimum of 3/4psi at full throttle. This was on my Jabiru 2200. I can't say for sure if these pressure requirements are the same for the 3300 or newer 2200's... Hope this helps someone...

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