On the drive spline, if you look at the very bottom of the pocket, you might see a sort of step that would be an indicator of the spline wear relative...

I do not believe any Airmail editions before Feb. 2023 will ever be published digitally.

I have been following this topic since the start. I wonder about the slide(s) underneath the diaphragms. More specificly, the needles and needle jets....

After looking at your photo again, you might be able to jam 2 nuts together on that stud and back the stud out of the case.

It's been a long time since I pulled a transmission and I just don't remember. Having said that, there is some longitudinal float in the driveshaft t...

You did not give your location, but in the mid-west, the Indiana Airmarshal, Don Beverage is competent working inside a transmission. Somewhere on thi...

What you have there is a broken pawl spring in the shift mechanism. The '74 transmissions have a reputation for this particular issue. If you were to ...

Welcome Michael. Quite the epic trip you have planned. That is a good looking rig you have there. You might be well advised to have phone contact i...

To the best of my knowledge, all Airhead frames came from the factory painted black. My guess would be that some previous owner changed the frame colo...

I was reluctant to respond initially since this question is beyond my range of knowledge. While there may be a proof mark that is specific to the cyli...

The intake spigot is the sleeve on the intake side of the heads where the carburetor fits up. More precisely, the stub that the rubber sleeve fits on....

One of our members here in IL lives fairly close to me and has a tire machine. I took a new tire and rear wheel by his shop and the first thing he ask...

Many thanks to Richard for posting that picture. That orifice in the bottom of the float bowl is what I am on about. A good telltale for that is to ...

Well Mike, it might be time to contact your Airmarshal to see if he can find someone to put an extra set of eyes on it with you. Where are you located...

I bought the one I had used at a swap meet maybe 15 or 20 years ago. At the time, I might have seen a similar fairing in the J.C.Whitney catalog.