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Author Topic: 1974 CB360 - first bike/build  (Read 6067 times)

Offline huck_finn

  • Posts: 136
    • 1974 CB360
Re: 1974 CB360 - first bike/build
« Reply #10 on: Nov 23, 2017, 21:53:00 »
I noticed that my left-side muffler was tilted before riding to work on Tuesday morning - found a crack in the mount on the muffler - had to adjust things a little to be able to ride that day. Not sure what I am going to do with it in the long run - but I am eyeing a Mac 2-into-1 exhaust.

And despite living in the Southeastern US - it has been dropping into the 30's. But I refuse to give up riding it just yet.


Offline huck_finn

  • Posts: 136
    • 1974 CB360
Re: 1974 CB360 - first bike/build
« Reply #11 on: Nov 23, 2017, 22:04:59 »
My right cylinder wasn't firing at all last week - which it had been running just fine previously. Plugs were good, fuel was flowing, had just replaced the coils (new condensor was added last Fall). After I pulled the carbs I found that the slide on my right carb was stuck.

I very gently and patiently got it out of the carb body - but I couldn't feel any burrs in the carb body (slide from left carb moved up and down in it just fine). I couldn't feel any burrs or see any deformation on the right slide either. But I grabbed some sand paper and worked it around the slide and few times and tried it again. After about 20 rounds of that, it is moving just like it should. I was terrified of taking metal off that would affect how the carb worked.

I had cleaned the carbs this past Fall using a boiling pot of lemon juice - worked like a charm, but had deal with the chalky-residue on my hands when working with them for a while.

Offline huck_finn

  • Posts: 136
    • 1974 CB360
Re: 1974 CB360 - first bike/build
« Reply #12 on: Nov 23, 2017, 22:09:14 »
I am still playing with my jetting and float heights - right now here is where things stand:

Primary: 68
Secondary: 108
Slow: 35
Float heights are set to 19mm

I was running rich at 100 secondary and 18mm - I have been working my way up to where I am now. Haven't pulled the plugs to see how things are lining up since adjusting to my current secondary/float height.

Offline trek97

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Re: 1974 CB360 - first bike/build
« Reply #13 on: Nov 23, 2017, 22:45:06 »
Great to see youre on it huck.

I rebuilt a fresh pair of carbs for mine.  You may find some useful info here...
http://www.dotheton.com/forum/index.php?topic=27417.msg885289#msg885289

I got my floats set up at 20.5mm w 100 secondaries.  Ive ridden it a few times and she's performing well.
Didn't take the time to check it w the O2 sensors.  Bad weather set in early here this year.

Check the orientation of the vent holes in the slides are on the filter side.  If the slides get twisted around it can cause them to hammer.  This will deform them and make them stick.
« Last Edit: Nov 23, 2017, 22:49:14 by trek97 »

Offline huck_finn

  • Posts: 136
    • 1974 CB360
Re: 1974 CB360 - first bike/build
« Reply #14 on: Nov 23, 2017, 23:05:19 »
Thanks Trek - the diaphragm on the problem slide is an aftermarket unit (stock had a tear in it), which doesn't have the orientation tab. I made sure to get it in the right orientation when I buttoned it back up...hopefully it doesn't get twisted around in the carb.

I feel like I have been chasing my tail with jets and float heights.

I am about to break everything back down and see if I can't get the frame, swing arm, and triple blasted/painted before things warm back up. So it might be a while before I get back to my carbs.

Offline trek97

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Re: 1974 CB360 - first bike/build
« Reply #15 on: Nov 28, 2017, 20:05:23 »
I gotcha bookmarked.

Also, My bike was utterly un-ridable (rich) w the JBM diaphragms.  I coughed up the $ for new Honda's.  It ran great instantly.

Offline huck_finn

  • Posts: 136
    • 1974 CB360
Re: 1974 CB360 - first bike/build
« Reply #16 on: Jan 08, 2018, 10:30:41 »
I broke down the bike over the weekend - everything was straightforward - used lots of zip-loc bags to label everything. I hope to have the frame and a few other pieces sent to paint very soon.





« Last Edit: Jan 08, 2018, 10:32:25 by huck_finn »

Offline huck_finn

  • Posts: 136
    • 1974 CB360
Re: 1974 CB360 - first bike/build
« Reply #17 on: Jan 08, 2018, 10:36:44 »
I got a few new pieces in the mail right after Christmas, including a new stator from Rick's, new clutch springs & friction plates, and a couple of mini gauges. I will post some pics of all the new goodies after I get back to the house tonight. But here is a shot of the new MAC 2-into-1 exhaust and the Tarrozi clip-ons.


Offline trek97

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Re: 1974 CB360 - first bike/build
« Reply #18 on: Jan 09, 2018, 06:27:14 »
Nice bud, once adjusted to suit you, those Tarozzi bars should be a big improvemnt to your riding comfort over the clubmans.

Offline crazypj

  • Posts: 12774
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Re: 1974 CB360 - first bike/build
« Reply #19 on: Jan 09, 2018, 13:02:13 »

I am keeping a running list of everything I have bought for the bike in this Google Sheet. The list includes who I bought it from, how much I paid, and most of them have a direct link to the item. 95% of what I put on the bike came from Sparck Moto, Common-Motor, Dime City Cycles, and Bike Bandit.
Starting to really understand that I don't have a clue what I am doing:


LOL, probably how 90% of people on this site started.
If you intend to keep bike, NEVER count up just how much it's cost, if you intend to sell it at some time, NEVER count up how much it's cost, you'll be crying when you see how much of a loss you have   ;)
'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