1979 CBX 1000Z - Time to put it back together...

[jnnngs]

Exhaust Brackets

Got the replacement exhaust bracket - but it's exactly the same as the one I have! Not sure whether I was just sent the wrong one, or I have a different problem.

Dave (or any one else), can you recognise whether this bracket is the "good" one or the "bad" one:

20150703_171828.jpg

20150703_171911.jpg

20150703_172231.jpg

Any ides if this is the correct bracket or not?

Paul.

[daves79x]

Can't say for sure, but it looks like the standard bracket. I have a boxed new set here that has both brackets in it, but they are boxed up and a bit inaccessible right now. Are you sure that is exactly what you already have? There is a clear difference in the replacement bracket and it works.

Dave

[jnnngs]

Can't say for sure, but it looks like the standard bracket. I have a boxed new set here that has both brackets in it, but they are boxed up and a bit inaccessible right now. Are you sure that is exactly what you already have? There is a clear difference in the replacement bracket and it works.

Dave

Dave,

Yes - I now have two right hand brackets that are the same, both result in the right hand silencer being higher than the left (I did try both brackets!)

Paul.

[jnnngs]

Centre Stand Update

Whilst rebuilding the bike, I'd had the centre stand on a block of wood - it gave more clearance while working on it. What I hadn't realised is that once I put the bike on the stand as normal, it was impossible to get it back off the stand as both wheels were firmly on the ground!

I already had another centre stand, but was from a different model, so wasn't sure whether it would fit OK:

20150714_114903.jpg

20150714_115001.jpg

It is both narrower, and not as tall as the one on the bike. Don't know whether it's off an A model, or whether different stands were fitted to the Z during it's production run?

It fits OK - doesn't quite give the same clearance of the back wheel off the ground, but is much easier to get it on the stand. It is also a much better fit with the sankei exhaust - the stand lines up with the rubber stops better. So, problem solved:

20150714_152019.jpg

The original stand stop plates had collapsed by quite some way. I glued a couple of plates on them just to see how far off they were - I will get them welded before using again:

20150714_115113.jpg

That's side and centre stands sorted!

Paul.

[daves79x]

The stand on the right is the correct stand - the wrong one was fitted previously.

Dave

[jnnngs]

The stand on the right is the correct stand - the wrong one was fitted previously.

Dave

Looks like my original centre stand may not be off a CBX then? Looks very similar, and fits reasonably well, so must be of the same period, off a CB900F or something? The spring lug is also wrong - its attached to the inside of the leg, whereas on the other stand the lug is more on the outside - so the spring clears the rear wheel.

Paul.

[jnnngs]

Exhaust Update

I've spent some time getting the exhaust heights lined up.

With judicious use of a dremel, I adjusted the brackets on both the left and right hand sides to get them lined up. Seems to have done the trick:

Exhausts.jpg

One more problem sorted.

Paul.

[jnnngs]

Engine / Carb Update

I sync'd the carbs - they were pretty close after the bench sync, only adjustment needed was +/- a quarter turn on the adjusters.

Only issue was access to the adjuster on carb #6. I couldn't get clear access due to the frame being in the way. Is there a knack to getting at this one, or do I have a different problem?

Not sure it idles any better after sync'ing, but its done anyway.

Also did a compression test afterwards - hot engine, open throttle all cylinders were in the range 155 - 160 PSI. Is that pretty normal?

Paul.

[steve murdoch icoa #5322]

Nice work getting the exhaust sorted, Paul.
Those compression numbers are good.

[Syscrush]

Exhaust Update
With judicious use of a dremel, I adjusted the brackets on both the left and right hand sides to get them lined up. Seems to have done the trick:

Exhausts.jpg

Very nice. I'm a bit jealous of that photo - my seat unit is canted a bit. This makes me want to get it squared up.

[daves79x]

Honda makes a short adjusting tool for the 5-6 adjuster.

Dave

[jnnngs]

Honda makes a short adjusting tool for the 5-6 adjuster.

Dave

Thanks Dave, do you have a part number for it?

[steve murdoch icoa #5322]

Carb tool # 07908-4600200
I don't know if they are still available from Honda.

[daves79x]

I think they are.

Dave

[jnnngs]

Finished Article

The bike has finally taken a trip out to get it's MOT (road worthiness test in the UK). Everything was OK and it passed. Bike rode / performed well on the way there and back, everything seemed to be as it should be.

So, I am calling this project finished!

Final pictures:

DSC04926.JPG

DSC04958.JPG

DSC04948.JPG

DSC04929.JPG

DSC04933.JPG

DSC04934.JPG

DSC04935.JPG

DSC04938.JPG

Thanks everyone for your help and guidance along the way - really appreciated!

Paul.