SOHC.co.uk Forums > CB500/550

Trouble mounting new HM 323 pipes

<< < (4/14) > >>

Bryanj:
Its probably the side on view showing the bends that would be better Ash

paulbaker1954:
I had some issue with my CMSNL pipes and the brackets I got from eBay Italy

Here is where I went wrong and how I then got it right.

Firstly I started with the lhs and wrongly put the no 2 cylinder outside the frame (it should go INSIDE FRAME) this is an easy mistake to make and will NEVER fit. Then I tightened up the exhaust flanges fully and the fitted brackets and it was all bad as your description with the interconnect pipes miles out. This was wrong approach and actually ended up bending a bracket slightly.

Here is how I did it right. Make sure the number 2 Pipe lies inside frame, put exhaust headers on but do NOT fully tighten yet just get them located but leave some waggle slack. Now put brackets on making sure they go inside AND outside rear rest bracket.

Now gradually tighten all up and should be ok. Oh and yes I did end up bending one of the brackets back a bit but think that is because I bent it in my first bad fit attempt.

Mine fit pretty well now except I never did get the connecting pies on lhs exactly in line and also I had to fettle a small bracket to extend the place where the main stand rubber goes as the main stand was missing the rubber and whacking the pipes.

Just needs patience and some fettling

Hope this helps

deltarider:

--- Quote ---and wrongly put the no 2 cylinder outside the frame (it should go INSIDE FRAME) this is an easy mistake to make and will NEVER fit.
--- End quote ---
I disagree on this. Decades ago I made that mistake myself and never knew it. Exhausts worked perfectly and when I took them of, I could see by inspecting the gaskets that the headers had made full contact. Now, that I wanna do it as Sohron describes, the brackets are distorted somewhat and now I can't get it right. Wish I never started it and had left them the way they were, even if it was't according to the book. You may be interested to read this thread: http://www.sohc.co.uk/index.php/topic,9170.msg63297.html#msg63297
BTW, CB500s that have the balance pipes precisely in line are rare and were rare, even on new bikes back then.

AshimotoK0:

--- Quote from: Bryanj on June 13, 2016, 05:54:33 AM ---Its probably the side on view showing the bends that would be better Ash

--- End quote ---

Here goes:- couldnt use Julies wedding dress background  though    :-[ :-[


[ Guests cannot view attachments ]

[ Guests cannot view attachments ]

deltarider:
Since one SOHC parts supplier here in Holland gave me the wrong answer and another dodges the question, I would like to know how our bikes new from the factory line were crated, with the exhausts mounted or without? It could be that back then even dealers didn't know what to do with it and have mounted them wrongly.

Navigation

[0] Message Index

[#] Next page

[*] Previous page