The extra weight for the enlarged ventral fin that was fitted to J170-C's is only a few hundred grams.

Hello Glen, Depending on what was required to maintain the CoG in a favourable position the aircraft can have ballast in the ventral fin or in the e...

The only means of changing the timing of the cold start is to bend/twist the tag that the timing sensor mounts on. Bend the tab so that the tip of th...

It can be replaced with the current jabiru starter.

@jabiruyank Can you tell me is it touching one side of the prop hub and the other side has a wider gap? What can happen is that it can pull to one ...

Hello Brian, For that you need to look in the overhaul manual, currently JEM0001-22 table 9. Torque depends on through bolt size. for 3/8 it i...

Hello Kjell, Unfortunately I can't help you there. Your best bet is to contact microair. www.microair.com.au (They are no longer in the building n...

Hello Jabiruyank, Kody did ask me about this. And it is fine however when you torque the bolts you need have the torque wrench on the nut.. This c...

Toby, Couldn't open the picture. However if the hole hasn't already been used for the cht it probably isn't tapped. However it is an 3.2mm plain h...

The most likely culprit is the sender but it is also worthwhile checking the wire from the gauge to the sender for damage.

By olive I think you are talking about the thing we call a rod end. The rod ends that Jabiru uses don't have any means provided to lubricate them and...

Hello Alex, I had another thought, on those heads there is some holes that go through from near the spark plugs to the underside of the head. Near ...

Hello Alex, I see your problem. And no I see I have led you the wrong path. With heads like yours (we call them coarse fin heads) there isn't enou...

Hello, Sorry to hear that. It must have got caught in the spam filter. Anyway we'll be in contact shortly.

Yes thats right.