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Author Topic: 1974 CB360 - first bike/build  (Read 13207 times)

Offline huck_finn

  • Posts: 167
    • 1974 CB360
Re: 1974 CB360 - first bike/build
« Reply #40 on: Jan 24, 2018, 11:26:01 »
I grabbed the float height tool specs from Trek and printed out a few - they came out perfectly. I printed 19.5, 20.5, and a 21.5 heights.



Offline crazypj

  • Posts: 13226
  • Split personality, I fake being smart
Re: 1974 CB360 - first bike/build
« Reply #41 on: Jan 24, 2018, 11:42:06 »
You won't need 21.5 unless your 6,000ft or more up or use E85.
 21mm is my recommended float height for E10 or modified carbs although 20.5mm is very slightly richer everywhere if you need it due to exhaust length/modifications
'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 advCo

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  • Posts: 2743
  • Nick Ol' Eye
    • adventur Studios
Re: 1974 CB360 - first bike/build
« Reply #42 on: Jan 24, 2018, 11:43:24 »
I grabbed the float height tool specs from Trek and printed out a few - they came out perfectly. I printed 19.5, 20.5, and a 21.5 heights.




Those look familiar!  ;)
"He broke the mirrors off his Cadillac, 'cause he doesn't like it looking like he looks back."

74 CB360 - Luna - http://www.dotheton.com/forum/index.php?topic=63294.0 - Sold
82 GS550L - Tracker-ish - http://www.dotheton.com/forum/index.php?topic=67229.0 - Sold
74 XL350 - The Turd - http://www.dotheton.com/forum/index.php?topic=70252.0 - Sold
Suzuki FA50 "No-Ped" - http://www.dotheton.com/forum/index.php?topic=71189.0
73 Suzuki RV125 -http://www.dotheton.com/forum/index.php?topic=73875.0
'97 BMW F650st - http://www.dotheton.com/forum/index.php?topic=75732.0

Offline huck_finn

  • Posts: 167
    • 1974 CB360
Re: 1974 CB360 - first bike/build
« Reply #43 on: Jan 24, 2018, 11:59:52 »
Here are a few shots of the corrosion I was talking about. The other carb is in good shape, but I am not sure if I will be chasing my tail trying to get this one working the way it should.











Offline huck_finn

  • Posts: 167
    • 1974 CB360
Re: 1974 CB360 - first bike/build
« Reply #44 on: Jan 24, 2018, 13:46:37 »
Those look familiar!  ;)

Can't thank you enough for working these out - the dimensions are dead on.

Offline crazypj

  • Posts: 13226
  • Split personality, I fake being smart
Re: 1974 CB360 - first bike/build
« Reply #45 on: Jan 24, 2018, 17:43:12 »
No need to worry about the corrosion as long as nothing is 'pin-holed' I've worked on much worse that worked fine
'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 huck_finn

  • Posts: 167
    • 1974 CB360
Re: 1974 CB360 - first bike/build
« Reply #46 on: Jan 24, 2018, 22:50:18 »
No need to worry about the corrosion as long as nothing is 'pin-holed' I've worked on much worse that worked fine
That is good news for sure.

Offline advCo

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  • Posts: 2743
  • Nick Ol' Eye
    • adventur Studios
Re: 1974 CB360 - first bike/build
« Reply #47 on: Jan 25, 2018, 22:24:15 »
If nothing else, just Be careful tightening the jets into those corroded castings. A Yamaha  I recently sold had similar corrosion and the main jet had been over tightened and cracked the casting.


Sent from my iPhone using DO THE TON
"He broke the mirrors off his Cadillac, 'cause he doesn't like it looking like he looks back."

74 CB360 - Luna - http://www.dotheton.com/forum/index.php?topic=63294.0 - Sold
82 GS550L - Tracker-ish - http://www.dotheton.com/forum/index.php?topic=67229.0 - Sold
74 XL350 - The Turd - http://www.dotheton.com/forum/index.php?topic=70252.0 - Sold
Suzuki FA50 "No-Ped" - http://www.dotheton.com/forum/index.php?topic=71189.0
73 Suzuki RV125 -http://www.dotheton.com/forum/index.php?topic=73875.0
'97 BMW F650st - http://www.dotheton.com/forum/index.php?topic=75732.0

Offline crazypj

  • Posts: 13226
  • Split personality, I fake being smart
Re: 1974 CB360 - first bike/build
« Reply #48 on: Jan 25, 2018, 23:12:02 »
Pretty sure Mikuni use a 'stock' zinc based alloy which does seem to be more brittle than the Kei-Hin stuff.?
I've done XS400's with less corrosion but more damage plus a few XS650's and Kawasaki's have needed at least 1 'new ' carb.
Maybe Kei-Hin use a different 'proprietary' zinc alloy? It does seem more 'malleable' when I've been doing carb mods compared to the Mikuni's I've done (only GS and GSX-F air / oil cooled range, everything else is 'too new'  ;D )
'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 huck_finn

  • Posts: 167
    • 1974 CB360
Re: 1974 CB360 - first bike/build
« Reply #49 on: Jan 26, 2018, 18:26:36 »
I put the new friction plates & springs on last night (after soaking the plates in oil for 24hr). I also bolted on the new stator. There isn't a whole lot more to do with the engine right now since I am not going to bore it out. Anything that needed replacing/fixing was done while still on the frame.

My frame and a few other pieces are in the shop for paint - having the paint/bodywork program at the community college where I work do it for me. All I needed to do was pay for the paint. They do a good job, but you just can't be in a hurry to get things back.

I think I remember seeing some pictures (can't find via search) on how to dremel out the metal oil guide (right crankcase) to help with oil flow. Do I need to watch out for anything if I give it a go?
« Last Edit: Jan 26, 2018, 18:28:52 by huck_finn »