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Author Topic: "Mile High" CB350 Four project  (Read 32733 times)

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Offline NobleHops

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Re: "Mile High" CB350 Four project
« Reply #150 on: June 15, 2017, 08:43:21 PM »
I ain't skeered about a tricky project, but that one was a huge pain in the ass with zero net benefit when done. Pass.
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Nils Menten * Tucson, Arizona, USA

I have a motorcycle problem.

My build thread: NobleHops makes a 400F pretty for his wife: http://forums.sohc4.net/index.php?topic=131210.0

Offline jag767

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Re: "Mile High" CB350 Four project
« Reply #151 on: June 16, 2017, 04:49:22 AM »
How did I miss this!?!? Nice work so far!
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Offline Denver_Larry

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Re: "Mile High" CB350 Four project
« Reply #152 on: June 16, 2017, 10:35:07 AM »
Quote from: jag767 on June 16, 2017, 04:49:22 AM
How did I miss this!?!? Nice work so far!
Thanks, I appreciate it!
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2005 RC51
1973 CB350F...project

Offline Denver_Larry

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Re: "Mile High" CB350 Four project
« Reply #153 on: June 17, 2017, 08:38:05 PM »
Spent a few hours today getting some basic assembly done.  Nils with Restocycle did another great job for me by cleaning up and refinishing a bunch of the hard to replace hardware.  I'm liking how it's coming together!
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2005 RC51
1973 CB350F...project

Offline calj737

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Re: "Mile High" CB350 Four project
« Reply #154 on: June 18, 2017, 02:09:45 AM »
This little bike has all kinds of attitude oozing!
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'74 550 Build http://forums.sohc4.net/index.php?topic=126401.0
'73 500 Build http://forums.sohc4.net/index.php?topic=132935.0

"Of all tyrannies, a tyranny sincerely exercised for the good of it's victim may be the most oppressive. It may be better to live under robber barons than under omnipotent moral busybodies. The robber baron's cruelty may sometimes sleep, his cupidity may at some point be satiated, but those who torment us for our own good will torment us without end for they do so with the approval of their own conscience." - C.S. Lewis

Offline SOHC4 Cafe Racer Fan

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Re: "Mile High" CB350 Four project
« Reply #155 on: June 18, 2017, 08:56:18 AM »
I like the combination of the blue powdercoated frame, the modern GSXR front and the bare metal tank.  Good stuff happening here.
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1975 CB550K1 "Blue" Stockish Restomod (http://forums.sohc4.net/index.php?topic=135005.0)
1975 CB550F1 frame/CB650 engine hybrid "The Hot Mess" (http://forums.sohc4.net/index.php/topic,150220.0.html)
2008 Triumph Thruxton (http://forums.sohc4.net/index.php/topic,190956.0.html)
2014 MV Agusta Brutale Dragster 800
2015 Yamaha FZ-09 (http://forums.sohc4.net/index.php/topic,186861.0.html)

"There are some things nobody needs in this world, and a bright-red, hunch-back, warp-speed 900cc cafe racer is one of them — but I want one anyway, and on some days I actually believe I need one.... Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba." Hunter S. Thompson, Song of the Sausage Creature, Cycle World, March 1995.  (http://www.latexnet.org/~csmith/sausage.html and https://magazine.cycleworld.com/article/1995/3/1/song-of-the-sausage-creature)

Sold/Emeritus
1973 CB750K2 "Bionic Mongrel" (http://forums.sohc4.net/index.php?topic=132734.0) - Sold
1977 CB750K7 "Nine Lives" Restomod (http://forums.sohc4.net/index.php?topic=50490.0) - Sold
2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.html) - Sold

Offline Denver_Larry

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Re: "Mile High" CB350 Four project
« Reply #156 on: June 18, 2017, 11:58:12 AM »
Almost didn't go blue with the frame but I'm glad that I did.  And yeah the tank and tail look good bare but I think it will still see some paint
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2005 RC51
1973 CB350F...project

Offline Denver_Larry

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Re: "Mile High" CB350 Four project
« Reply #157 on: June 21, 2017, 05:43:01 PM »


A little bit more progress as I got a couple care packages today.  First up was my shocks came in!   To get the front end geometry right I went a bit longer than stock this had caused a minor issue with the rear brake shaft that sits in the frame up by the swingarm pivot.  They now interfere and I'll need to cut this one down or more likely the TTR400 one when I get it.  Side benefit of getting the geometry right is the stance is leveled out a bit visually now and I'm happy with that!
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2005 RC51
1973 CB350F...project

Offline Denver_Larry

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Re: "Mile High" CB350 Four project
« Reply #158 on: June 21, 2017, 05:48:10 PM »
Also got my cognito front hub and the led brake strip.  Hub is getting a trip to the powdercoaters as soon as figure out a few more pieces to take with it.  Taking Nils' advice on the rear hub, I'll just paint that black to match to avoid cooking the cush drives.
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2005 RC51
1973 CB350F...project

Offline Denver_Larry

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Re: "Mile High" CB350 Four project
« Reply #159 on: June 30, 2017, 06:35:32 PM »
Need some advice.  Lacing up my front wheel and I'm pretty sure I have the pattern right but I just can't twist the hub enough to lace the 2nd set of spokes.  Building bicycle wheels I always laced one way then spun the hub to get the opposite spokes.  Buchanan supplied the wheel and made the spokes so I feel like they did their job right.  What am I doing wrong?
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2005 RC51
1973 CB350F...project

Offline Denver_Larry

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Re: "Mile High" CB350 Four project
« Reply #160 on: July 01, 2017, 02:21:23 PM »
So I'm calling the verdict: spokes are too short.  With the holiday weekend I likely won't be starting a resolution until Wednesday or so, but at least I can work on the rear hub/ wheel.  Getting started with a high build primer:
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2005 RC51
1973 CB350F...project

Offline Denver_Larry

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Re: "Mile High" CB350 Four project
« Reply #161 on: July 02, 2017, 11:36:13 AM »
P.S.A. For all you eBay shoppers, stay away from a seller with the ID "Cobi-vagt".  Deal didn't go right on a $15 item and he's acting like a 5 year old about it.


Sent from my iPad using Tapatalk
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2005 RC51
1973 CB350F...project

Offline SOHC4 Cafe Racer Fan

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Re: "Mile High" CB350 Four project
« Reply #162 on: July 02, 2017, 03:48:37 PM »
Can you elaborate?
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1975 CB550K1 "Blue" Stockish Restomod (http://forums.sohc4.net/index.php?topic=135005.0)
1975 CB550F1 frame/CB650 engine hybrid "The Hot Mess" (http://forums.sohc4.net/index.php/topic,150220.0.html)
2008 Triumph Thruxton (http://forums.sohc4.net/index.php/topic,190956.0.html)
2014 MV Agusta Brutale Dragster 800
2015 Yamaha FZ-09 (http://forums.sohc4.net/index.php/topic,186861.0.html)

"There are some things nobody needs in this world, and a bright-red, hunch-back, warp-speed 900cc cafe racer is one of them — but I want one anyway, and on some days I actually believe I need one.... Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba." Hunter S. Thompson, Song of the Sausage Creature, Cycle World, March 1995.  (http://www.latexnet.org/~csmith/sausage.html and https://magazine.cycleworld.com/article/1995/3/1/song-of-the-sausage-creature)

Sold/Emeritus
1973 CB750K2 "Bionic Mongrel" (http://forums.sohc4.net/index.php?topic=132734.0) - Sold
1977 CB750K7 "Nine Lives" Restomod (http://forums.sohc4.net/index.php?topic=50490.0) - Sold
2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.html) - Sold

Offline Denver_Larry

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Re: "Mile High" CB350 Four project
« Reply #163 on: July 02, 2017, 03:56:00 PM »
I put an offer in on a part.  The part was listed as local pick up, but my offer included having it shipped.  He didn't see the note in my offer and accepted.  No big deal for me since he missed the note about shipping, but he refused to ship or refund for a week.  He started texting me in the meantime, talking garbage and generally being an idiot.
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2005 RC51
1973 CB350F...project

Offline Denver_Larry

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"Mile High" CB350 Four project
« Reply #164 on: July 02, 2017, 06:08:18 PM »
A couple questions for you folks:

1.  The 2 spacers on the rear axle are slightly different widths.  Which one goes on the right/left sides of the hub?  The usually helpful parts diagram has no details about their dimensions..

2.  What rear sprocket is the best quality?  There doesn't seem to be many options, and I've seen a couple reviews of the Parts Unlimited one being machined improperly on the backside.
« Last Edit: July 02, 2017, 06:10:38 PM by Denver_Larry »
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2005 RC51
1973 CB350F...project

Offline Denver_Larry

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Re: "Mile High" CB350 Four project
« Reply #165 on: July 10, 2017, 11:31:28 AM »
Quote from: Denver_Larry on July 02, 2017, 06:08:18 PM
A couple questions for you folks:

1.  The 2 spacers on the rear axle are slightly different widths.  Which one goes on the right/left sides of the hub?  The usually helpful parts diagram has no details about their dimensions..

2.  What rear sprocket is the best quality?  There doesn't seem to be many options, and I've seen a couple reviews of the Parts Unlimited one being machined improperly on the backside.

Anyone?  The best I can tell is that the smaller spacer goes on the left (drive) side of the wheel, but I would rather know for absolute sure.
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2005 RC51
1973 CB350F...project

Offline Denver_Larry

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Re: "Mile High" CB350 Four project
« Reply #166 on: July 13, 2017, 10:47:40 AM »
Progress:
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2005 RC51
1973 CB350F...project

Offline Denver_Larry

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Re: "Mile High" CB350 Four project
« Reply #167 on: July 14, 2017, 07:11:44 PM »
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2005 RC51
1973 CB350F...project

Offline Denver_Larry

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Re: "Mile High" CB350 Four project
« Reply #168 on: July 14, 2017, 07:18:18 PM »
So after getting it down off the stand and rolling around, I've discovered an issue (of course!). Something is amiss with the lower race of the steering bearings.  The lower triple I noticed runs REALLY close to the head tube when I installed it.  Turns out it was touching and the bearing wasn't really engaged at all.  On the steering stem, should there be something below the lower race and seal to space it off the lower triple?
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2005 RC51
1973 CB350F...project

Offline palepainter

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Re: "Mile High" CB350 Four project
« Reply #169 on: July 14, 2017, 08:54:43 PM »
Looking great so far!! 
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Offline Denver_Larry

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Re: "Mile High" CB350 Four project
« Reply #170 on: July 14, 2017, 09:49:01 PM »
Quote from: palepainter on July 14, 2017, 08:54:43 PM
Looking great so far!!
Thanks Pale!  BTW that tank and tail may be headed your way at some point.
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2005 RC51
1973 CB350F...project

Offline calj737

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Re: "Mile High" CB350 Four project
« Reply #171 on: July 15, 2017, 02:13:25 AM »
Yes, below the bearing should be a dust cover, then one of the 2 spacers/washers. The bearing sets usually ship with 2 to choose from, one being thinner than the other.

You'll need to remove the bottom bearing then install that spacer, then the dust cover, then bearing. This also adds enough length overall that when tightening the stem, the bearings get compressed sufficiently to seat them and hold the stem.
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'74 550 Build http://forums.sohc4.net/index.php?topic=126401.0
'73 500 Build http://forums.sohc4.net/index.php?topic=132935.0

"Of all tyrannies, a tyranny sincerely exercised for the good of it's victim may be the most oppressive. It may be better to live under robber barons than under omnipotent moral busybodies. The robber baron's cruelty may sometimes sleep, his cupidity may at some point be satiated, but those who torment us for our own good will torment us without end for they do so with the approval of their own conscience." - C.S. Lewis

Offline NobleHops

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Re: "Mile High" CB350 Four project
« Reply #172 on: July 15, 2017, 06:29:44 AM »
I ran into the same thing when I installled the tapered bearings in my 400. As Cal said, you need a washer beneath the lower bearing, usually the thin one. I actually recorded a nausea-inducing video about this.



P.S. yes, upside-down, I know 😁
« Last Edit: July 15, 2017, 06:48:16 AM by NobleHops »
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Nils Menten * Tucson, Arizona, USA

I have a motorcycle problem.

My build thread: NobleHops makes a 400F pretty for his wife: http://forums.sohc4.net/index.php?topic=131210.0

Offline Denver_Larry

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Re: "Mile High" CB350 Four project
« Reply #173 on: July 15, 2017, 07:27:39 AM »
Good to know, wish I knew before!  Gotta make mistakes to learn from them I guess...
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2005 RC51
1973 CB350F...project

Offline Denver_Larry

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Re: "Mile High" CB350 Four project
« Reply #174 on: July 15, 2017, 07:32:44 AM »
And my kit definitely didn't have that little diagram and notes!  Oh well, I see some time on the buffing wheel later today.
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2005 RC51
1973 CB350F...project
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