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Author Topic: 72 CB350 Build For The Wife  (Read 68543 times)

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Offline Harsh

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Re: 72 CB350 Build For The Wife
« Reply #175 on: October 04, 2014, 05:52:36 AM »
Started work on the tank.  Popped off the side emblems and cleaned the inside of the tank.  There was minimal rust, but looked like there was a little bit of a varnish so I poured in some MEK and sloshed it around for a while.  All varnish removed.  Rinsed it out and poured in some Prep-N-Etch.  Sloshed it around and let it sit for a while.  I had the tank propped up on it's nose and inadvertently bumped the table and off she went.  I now have a nice dent in the right rear corner of the tank.  Nothing my paint and body guy can't fix, but it would have been nice to have an unmolested tank.

As previously mentioned the bike was originally red.  Sometime after it was painted black then maroon.  I stripped all of the paint off and found a few rust spots.  You can see a strip in the center of the tank on the first pic.  Gave the tank a nice coating of PNE to keep it from rusting until it gets painted.





Still waiting on my powder coat and wheels to be completed.

I ordered an LED headlight retro fit kit.  Looks fairly simple to install an should brighten things up a lot.  If it works as I hope I may do one for the 750 as well.  I already opened up the OEM sealed headlight in preparation.  I am not going to use the halo ring.  This should reduce the current draw a lot while providing better visibility.

http://www.dx.com/p/20w-2000lm-8000k-motocycle-led-headlamp-w-angel-eye-12v-216822#.VC_saRaK1LR


Here is a how to thread for the light.

http://www.hondatwins.net/forums/50-electrical-discussion/25905-led-headlight-install-oem-sealed-beam-headlamp.html
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Offline grcamna2

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Re: 72 CB350 Build For The Wife
« Reply #176 on: October 04, 2014, 06:53:01 AM »
Thanks for the info on the LED Harsh,'ouch' on the tank  :o
Does that Prep & Etch product leave the inside of the tank somewhat protected from flash rust ?
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75' CB400F/'bunch o' parts' & 81' CB125S modded to a 'CB200S'
  I love the small ones too !
Do your BEST...nobody can take that away from you.

Offline SOHC4 Cafe Racer Fan

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Re: 72 CB350 Build For The Wife
« Reply #177 on: October 04, 2014, 07:31:26 AM »
Bummer about the tank. It's a good thing that most bodywork things can be fixed.
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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 Harsh

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Re: 72 CB350 Build For The Wife
« Reply #178 on: October 04, 2014, 01:15:00 PM »
Quote from: grcamna2 on October 04, 2014, 06:53:01 AM
Thanks for the info on the LED Harsh,'ouch' on the tank  :o
Does that Prep & Etch product leave the inside of the tank somewhat protected from flash rust ?

Yes it prevents flash rust. It actually chemically converts the rust that is already present and there is a chemical reaction that "seals" the steel.  It will leave the steel a greyish color.
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Offline grcamna2

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Re: 72 CB350 Build For The Wife
« Reply #179 on: October 04, 2014, 01:20:22 PM »
Quote from: Harsh on October 04, 2014, 01:15:00 PM
Quote from: grcamna2 on October 04, 2014, 06:53:01 AM
Thanks for the info on the LED Harsh,'ouch' on the tank  :o
Does that Prep & Etch product leave the inside of the tank somewhat protected from flash rust ?

Yes it prevents flash rust. It actually chemically converts the rust that is already present and there is a chemical reaction that "seals" the steel.  It will leave the steel a greyish color.


Do you have to fill the entire tank up full strength ?
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75' CB400F/'bunch o' parts' & 81' CB125S modded to a 'CB200S'
  I love the small ones too !
Do your BEST...nobody can take that away from you.

Offline Harsh

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Re: 72 CB350 Build For The Wife
« Reply #180 on: October 04, 2014, 01:34:19 PM »
I use it full strength.   I pour in a gallon of it and slosh it around real well.  Then I try to let it sit for a while on the bottom, sides, front, and back to make sure it really has time to do its work.  I pour it back out into the jug it came from so it can be reused.  I use a paint strainer when I pour it back into the jug so I can see what is being removed.

It says to rinse with water, but I have found the rust will return after a little bit.  So I rinse with water and then pour in some gas or denatured alcohol and slosh it around.  Then pour that out and dispose of it.  If your tank is painted take precautions to keep it off the tank.  It won't necessarilly remove the paint, but you don't want to let it sit on a painted surface.
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Offline grcamna2

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Re: 72 CB350 Build For The Wife
« Reply #181 on: October 04, 2014, 04:08:56 PM »
OK Thanks
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75' CB400F/'bunch o' parts' & 81' CB125S modded to a 'CB200S'
  I love the small ones too !
Do your BEST...nobody can take that away from you.

Offline rtbmrgl

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Re: 72 CB350 Build For The Wife
« Reply #182 on: October 05, 2014, 08:39:48 AM »
Hey Harsh, there is a fellow in Reno Nv. he and his brother specialize in CB350's, the race them, work on them plus other older Honda. He will ship parts to you, I bought a 72 CL350 from him awhile back.
His name Is Peter, 775-851-7661. He has a Craigslist add now, selling CB500 pistons

http://reno.craigslist.org/mpo/4662773852.html
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thanks, Mark
Roseville, Ca

Got Points!

1973 CB500 back yard find 1243 orig mi,  http://forums.sohc4.net/index.php?topic=124285.0
1976 CB750 Restoring,        http://forums.sohc4.net/index.php?topic=132997

Offline Harsh

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Re: 72 CB350 Build For The Wife
« Reply #183 on: October 07, 2014, 12:01:19 PM »
Quote from: rtbmrgl on October 05, 2014, 08:39:48 AM
Hey Harsh, there is a fellow in Reno Nv. he and his brother specialize in CB350's, the race them, work on them plus other older Honda. He will ship parts to you, I bought a 72 CL350 from him awhile back.
His name Is Peter, 775-851-7661. He has a Craigslist add now, selling CB500 pistons

http://reno.craigslist.org/mpo/4662773852.html

Thanks.  If and when I need some parts I will definitely give him a holler.  After this build I have to build another 350 for my daughter.


I forgot to post up the pics the other day of the tank and fork parts that will receive paint.  I got them all stripped and cleaned with PnE.  Some minor cleanup and they should be ready for the painter.






The dent doesn't look so bad after I removed the paint.





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Offline Harsh

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Re: 72 CB350 Build For The Wife
« Reply #184 on: October 09, 2014, 02:25:06 PM »
Powder coat...in all it's glory.





The fuel line I also ordered came in.  I think someone might be color blind, because it certainly doesn't look clear to me.

« Last Edit: October 09, 2014, 02:28:19 PM by Harsh »
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Offline rtbmrgl

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Re: 72 CB350 Build For The Wife
« Reply #185 on: October 09, 2014, 03:13:06 PM »
Quote from: Harsh on October 09, 2014, 02:25:06 PM


The fuel line I also ordered came in.  I think someone might be color blind, because it certainly doesn't look clear to me.



Looks like you have the "blues"  ::)
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thanks, Mark
Roseville, Ca

Got Points!

1973 CB500 back yard find 1243 orig mi,  http://forums.sohc4.net/index.php?topic=124285.0
1976 CB750 Restoring,        http://forums.sohc4.net/index.php?topic=132997

Offline SOHC4 Cafe Racer Fan

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Re: 72 CB350 Build For The Wife
« Reply #186 on: October 09, 2014, 05:48:20 PM »
You and the camera took too much Viagra!
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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 calj737

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Re: 72 CB350 Build For The Wife
« Reply #187 on: October 09, 2014, 05:55:04 PM »
Ah, the voice of experience chimes in!  8)
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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: 72 CB350 Build For The Wife
« Reply #188 on: October 09, 2014, 09:31:59 PM »
 ;D ;D ;D
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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 Restoration Fan

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Re: 72 CB350 Build For The Wife
« Reply #189 on: October 10, 2014, 05:24:13 AM »
Quote from: calj737 on October 09, 2014, 05:55:04 PM
Ah, the voice of experience chimes in!  8)

OK, I laughed out loud at that one. 

Beautiful work, Harsh.
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Ron

Stella - Logan's Senior Project    78 750K http://forums.sohc4.net/index.php?topic=141761.0

Logan's Reward - CB500 and CB550 Cafes    http://forums.sohc4.net/index.php/topic,147787.0.html

Offline Harsh

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Re: 72 CB350 Build For The Wife
« Reply #190 on: October 10, 2014, 05:47:53 AM »
Quote from: CB750 Cafe Racer Fan on October 09, 2014, 05:48:20 PM
You and the camera took too much Viagra!

Hey!  I may only be 3/8" around...but I am 10' long.
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Offline calj737

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Re: 72 CB350 Build For The Wife
« Reply #191 on: October 10, 2014, 05:59:07 AM »
CB750 will tell you (again from experience) that's good for a colonoscopy but so great for your wife  ;D
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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 Harsh

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Re: 72 CB350 Build For The Wife
« Reply #192 on: October 13, 2014, 02:05:30 PM »
Spent part of the day tapping the bolt holes and cleaning the ground points.  Then I mounted the engine in the frame.  It went in extremely easy even with the exhaust studs installed.  It is starting to come together slowly.



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Offline grcamna2

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Re: 72 CB350 Build For The Wife
« Reply #193 on: October 13, 2014, 02:50:45 PM »
Looking Good Harsh
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75' CB400F/'bunch o' parts' & 81' CB125S modded to a 'CB200S'
  I love the small ones too !
Do your BEST...nobody can take that away from you.

Offline SOHC4 Cafe Racer Fan

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Re: 72 CB350 Build For The Wife
« Reply #194 on: October 13, 2014, 03:30:50 PM »
Man, that looks like its becoming factory new (or I should say better than factory new).  Hope the wife appreciates it!
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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 SF

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Re: 72 CB350 Build For The Wife
« Reply #195 on: October 13, 2014, 08:18:24 PM »
Great job. I am rebuilding my mom's 72,  could you post harness routing pics around battery trey when you get to it. I've lost all my pics and am stumped....there's just something that doesn't look right. I also have a signal beeper and can't remember where it goes for the life of me. Looks better than new
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92 wr250 sold
98 zx6r sold
04 zx10r
73 cb350 twin
75 cb550f
75 cb550f
72 r5c
rgid springer bobber project

Offline Harsh

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Re: 72 CB350 Build For The Wife
« Reply #196 on: October 14, 2014, 03:09:26 AM »
SF...I also lost most of my teardown pics due to a faulty memory card so I don't have any pics of the wiring.  However, I have another 350 that I can take some pics of for you.
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Offline MoMo

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Re: 72 CB350 Build For The Wife
« Reply #197 on: October 14, 2014, 04:53:08 AM »
The wire routing diagram is usually in the back of a shop manual...Larry
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Offline SF

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Re: 72 CB350 Build For The Wife
« Reply #198 on: October 14, 2014, 12:05:42 PM »
harsh... when ever you get to it dude thx...larry thanks for the tip man
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92 wr250 sold
98 zx6r sold
04 zx10r
73 cb350 twin
75 cb550f
75 cb550f
72 r5c
rgid springer bobber project

Offline grcamna2

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Re: 72 CB350 Build For The Wife
« Reply #199 on: October 14, 2014, 03:00:56 PM »
Quote from: SF on October 13, 2014, 08:18:24 PM
Great job. I am rebuilding my mom's 72,  could you post harness routing pics around battery trey when you get to it. I've lost all my pics and am stumped....there's just something that doesn't look right. I also have a signal beeper and can't remember where it goes for the life of me. Looks better than new

The harness pulls to the left side of the frame and toward the back of the fuel tank as it goes to the battery box and also goes through the left side(as you're sitting on the bike)of the rear part of the frame(under the seat)on it's way to the taillight.
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75' CB400F/'bunch o' parts' & 81' CB125S modded to a 'CB200S'
  I love the small ones too !
Do your BEST...nobody can take that away from you.
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