I am working on getting how all this works straightened out, and will update soon.

We can't recommend any particular ring compressor, as we use a custom tool here for production. We have customers that have had success with smooth ...

Sorry I missed this post last april. In our experience of coils failing is failing to off when hot and then start working again when cooled down. Th...

@henry587 What is the MTOW of your Calypso now? And what country are you in?

Hello Trtnik, That is a large spread. My concern is the 760C as that is a bit higher than our recommended maximum. It is hard to tell what the ...

Yes, would advise inhibiting the cylinders and rocker chambers and then rotating it by hand every 15 days.

Our engine maintenance manuals have detailed instructions for storage of Jabiru engines. See section 7(gen 3) or section 6 (gen 4). We do not recomme...

For example if you had 5 cylinders showing 75-76psi and 1 showing 60psi, it would be worth investigating why that cylinder was different to the others...

Hello, We don't have a criteria for the differential between cylinders. Each cylinder is assessed individually. That said if you notice that one c...

The Gen 4 uses the integral plenum.

Hello John, The PD42J is pressure compensating. The balance tube is incorporated into the induction tube (cobra head) that comes with the engine. ...

Hello Matej, The black substance is Loctite Gasket Sealant #2 as described in section 3.7.5 of the JEM0001-23 Engine overhaul manual. This manual i...

I don't think the lifters would be the first part that would be damaged. Usually the pistons start to pickup in the barrels before anything else, whe...

Hello Olav, Yes of course. Send it to info@jabiru.net.au and reference this thread. And yes a hydraulic lifter that leaks down will the engine i...

Hi, yes it could mean this. One thing you could do is take the cap apart so that you and push a rod up the vent tube. If it goes all the way up to ...