Most people end up making a compressor. Here's one that will give you an idea of what works.

https://www.honda305.com/forum/viewtopic.php?p=93317&hilit=shock+compressor#p93317

The original shocks should look something like the one in the picture. I don't think any Dream came with external ...

I've never really thought about this although I normally replace them if they are old or their age is unknown. The parts book just calls for 6004 bearings, which implies CN, so that's what I have used and I have never had a problem.

I found some guidance here:

https://tflbearing.com/blog ...

Actually, I got it wrong. They were supposed to lower the pressure and reduce the oil getting into the valve guides. There was also something to do with the also discontinued power jet in the carbs. Have a look at the carburetor, air filter and cylinder pages in these.

https://drive.google.com/file ...

The story I have heard is that they attached to the air filters with the intent of drawing oil into the valve guides. Original air filters have the connectors but newer ones don't so it seems that Honda thought them unnecessary. I have some little rubber caps over mine but there seems to be no harm ...

Normally they are part of a carb kit although not necessarily. I just did a quick search for "honda cb77 carb kit" and this came up and it appears to have them.

https://4into1.com/ultimate-carburetor-rebuild-kit-honda-cb77-305-super-hawk/

There were lots of others too. I'd give anyone selling ...

The covers on the ends of the camshaft do this for you. If you look you will see that they sit next to the outer bearings.

Yeah. The shop manual shows the C72/77 but not the CBs. The only difference is that in the C77 the pistons move together but in the CB77 they alternate. There are two marks on the alternator rotor labelled T and LT. T is top dead centre for the right cylinder and that's the one you need.

There is ...