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Author Topic: Cb360 Reassembly Help  (Read 5463 times)

Offline cb360j

  • Posts: 76
Re: Cb360 Reassembly Help
« Reply #20 on: May 12, 2018, 19:22:01 »
Ok. I am infact blind, because I had the thrust washer in a bag beside me even labeled. Installed it. Re positioned crank and cam timing. Here are the pictures you asked for pj


Offline crazypj

  • Posts: 13198
  • Split personality, I fake being smart
Re: Cb360 Reassembly Help
« Reply #21 on: May 12, 2018, 20:28:38 »
Thrust washer goes on other end of cam.Where is the tensioner top cup?Looks like you need to re-set tensioner as well, bit too much of tensioner blade sticking up.What your describing is what happens when early style blade breaks. I`m suspecting you don`t have top cup fitted?BTW, you never try to fit rocker cover without removing inspection caps and backing off adjusters.It's easier to do while taking things apart
« Last Edit: May 12, 2018, 20:45:57 by crazypj »
'you can take my word for it or argue until you find out I'm right'
Best thing I ever overheard
"yep, PJ's my boss, he taught me everything I know, just didn't teach me everything he knows"
Brian Morgan, 1982

CB360's,  http://www.dotheton.com/forum/index.php?topic=11736.0
XS650,  http://www.dotheton.com/forum/index.php?topic=11922.0

Offline MiniatureNinja

  • Posts: 479
Re: Cb360 Reassembly Help
« Reply #22 on: May 12, 2018, 20:40:20 »
Also with LT lined up, left cam lobes should be down, correct?

Sent from my SM-G955U using DO THE TON mobile app

'75 Honda CB360 - thread

Offline crazypj

  • Posts: 13198
  • Split personality, I fake being smart
Re: Cb360 Reassembly Help
« Reply #23 on: May 12, 2018, 20:51:19 »
Also with LT lined up, left cam lobes should be down, correct?

Sent from my SM-G955U using DO THE TON mobile app

Yes, it's being assembled on overlap
It's so 'automatic' for me I've had to really think if it makes a difference.
Too 'brain dead' from looking after Jaxon but I think it does.Well spotted
« Last Edit: May 12, 2018, 21:31:57 by crazypj »
'you can take my word for it or argue until you find out I'm right'
Best thing I ever overheard
"yep, PJ's my boss, he taught me everything I know, just didn't teach me everything he knows"
Brian Morgan, 1982

CB360's,  http://www.dotheton.com/forum/index.php?topic=11736.0
XS650,  http://www.dotheton.com/forum/index.php?topic=11922.0

Offline cb360j

  • Posts: 76
Re: Cb360 Reassembly Help
« Reply #24 on: May 13, 2018, 18:05:37 »
Cam timing officially set correctly. Lobes in down position. Washer on correct side. Valve tappets backed all the way out, engine spins freely now. Not as freely as it would with the head cover off, this is my only reference to how it spins now. In my experience with automobile engines they tend to turn freely so Iím not sure if the engine is now correct or not.
Problems:

Installing the cam chain tensioner, as in the manual the tensioner is sticking to far up as pj pointed out, but it seems to be in the correct position. How is this solved, or are there any problems associated with this?


Offline MiniatureNinja

  • Posts: 479
Re: Cb360 Reassembly Help
« Reply #25 on: May 13, 2018, 20:21:37 »
the tensioner needs to be backed off... which can be done by splitting the case open, not fun.

the alternative is to source a length of 3mm threaded rod, make a loop in one end of it, and then use the other ended to thread into the tensioner through the case plug - use the loop to pull the tensioner out (with the top adjusting lock bolt backed off) and then tighten up the lock bolt.

EDIT: here is the thread on how to do it
I wish I knew what happened to Lethal and his 360... strange when someone you feel connected to (though never met) disappears
'75 Honda CB360 - thread

Offline crazypj

  • Posts: 13198
  • Split personality, I fake being smart
Re: Cb360 Reassembly Help
« Reply #26 on: May 13, 2018, 21:01:32 »
Instead of threaded rod I've used old spokes, surprisingly, Honda ones from 70's don't work as they are 1/8" Whitworth thread. Harley |Davidson uses metric
'you can take my word for it or argue until you find out I'm right'
Best thing I ever overheard
"yep, PJ's my boss, he taught me everything I know, just didn't teach me everything he knows"
Brian Morgan, 1982

CB360's,  http://www.dotheton.com/forum/index.php?topic=11736.0
XS650,  http://www.dotheton.com/forum/index.php?topic=11922.0

Offline cb360j

  • Posts: 76
Re: Cb360 Reassembly Help
« Reply #27 on: May 14, 2018, 00:05:01 »
How exactly does this work?
Just curious as I donít know what the tensioner looks like inside of the case.

Offline MiniatureNinja

  • Posts: 479
Re: Cb360 Reassembly Help
« Reply #28 on: May 14, 2018, 02:25:10 »
How exactly does this work?
Just curious as I donít know what the tensioner looks like inside of the case.
It's a spring loaded c shaped kinda wacky thingy. The top "adjuster" locks it into place, so if you did what I did and backed it off and then did the tensioner it will spring to the most closed or "up" position
'75 Honda CB360 - thread

Offline cb360j

  • Posts: 76
Re: Cb360 Reassembly Help
« Reply #29 on: May 14, 2018, 10:46:32 »
It's a spring loaded c shaped kinda wacky thingy. The top "adjuster" locks it into place, so if you did what I did and backed it off and then did the tensioner it will spring to the most closed or "up" position

So when doing this, is there anything in particular to watch out for ?

Let me get my understanding correct. With the adjusting bolt out, I am threading what is essentially another bolt into the tensioner push bar, then pulling it? Any particular distance it needs to come out? Or will there be any clicking or details indicating that this is done correctly?

Sorry for my ignorance on this, just trying to learn what I can.