Author Topic: CB400 Four, version 9.0 for ME I flip for 400 fours  (Read 31042 times)

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Offline MoMo

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Re: CB400 Four, version 9.0 for ??? I flip for 400 fours
« Reply #125 on: June 04, 2016, 07:59:46 PM »
Good to see that filled,looks like aluminum rod arc welding.That should smooth out,how's the inside look ?


Inside is built up but it doesn't interfere with the alternator so I hardly touched it. Unfortunately , I had to do quite a bit of grinding on the inside of the small upper hole so that the case would sit flush.  All in all, I may have spent an hour at most.  Since the motor will be on the ugly cosmetic side I plan to paint it. I   own a Hondaline Red, white, black and silver riding jacket along with similar color scheme helmet and gloves.  The bike may be painted to match the jacket

Offline RAFster122s

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Re: CB400 Four, version 9.0 for ??? I flip for 400 fours
« Reply #126 on: June 05, 2016, 12:52:17 AM »
Some file work or sandpaper work on the JB Weld & Aluminum and it will be ready for paint in no time.  It isn't a highly visible place, so I'm with you...spend a little time but not a lot on it and move on...

Plenty of other things that are more important to have just right, this isn't one of them.

Frame is looking pretty good, you didn't drag it along to have your Amish welder redo those nasty welds?

Nice wheel and rotor too.

You forgot to mention your shoe collection and all the people you know for Post # 115
http://forums.sohc4.net/index.php/topic,157763.msg1812850.html#msg1812850

 :o :P ;)

David
David- back in the desert SW!

Offline MoMo

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Re: CB400 Four, version 9.0 for ??? I flip for 400 fours
« Reply #127 on: June 05, 2016, 05:04:28 AM »

All those crevices are indications of impurities and porosity in the weld. All due to grime. The pictures also depict a too cold weld heat. As long as you're satisfied, fine. But it is exactly the outcome I described when you weld old, grimy cast aluminum.





Works for me.  I would've replaced the cases with the polished set I have if I wanted perfection.  And....................it sure isn't in a critical area.


Not sure how impurities would have been removed  as I had spent an hour or so cleaning the cases in the parts cleaner, then using carb cleaner around the broken area...Larry

Offline MoMo

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Re: CB400 Four, version 9.0 for ??? I flip for 400 fours
« Reply #128 on: June 05, 2016, 05:07:52 AM »
Some file work or sandpaper work on the JB Weld & Aluminum and it will be ready for paint in no time.  It isn't a highly visible place, so I'm with you...spend a little time but not a lot on it and move on...

Plenty of other things that are more important to have just right, this isn't one of them.

Frame is looking pretty good, you didn't drag it along to have your Amish welder redo those nasty welds?

Nice wheel and rotor too.

You forgot to mention your shoe collection and all the people you know for Post # 115
http://forums.sohc4.net/index.php/topic,157763.msg1812850.html#msg1812850

 :o :P ;)

David


The wheel is original to the bike, the rotor is one I had drilled but never used. Spokes aren't too bad.  I had an extra set but I gave them to a forum member. Thanks David...Larry

Offline strynboen

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Re: CB400 Four, version 9.0 for ??? I flip for 400 fours
« Reply #129 on: June 05, 2016, 05:56:32 AM »
yes the welder vas not prof. it can be done  more nice and stronger..some vas to Cold and to fast movens dont get it meldet dovn to the rigth height...but it did the job...and it vill not fall off...
if it vas a brake caliber or fork brace..or trippel top..im be vorried to use it...but on a casing..vho just need to be vater tight..its fine
« Last Edit: June 05, 2016, 06:09:45 AM by strynboen »
i kan not speak english/but trying!!
http://forums.sohc4.net/index.php?topic=60973.0
http://forums.sohc4.net/index.php?topic=144758.0
i hate all this v-w.... vords

Offline MoMo

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Re: CB400 Four, version 9.0 for ??? I flip for 400 fours
« Reply #130 on: June 05, 2016, 08:30:59 AM »
thanks for  the thorough explanation Cal, not sure what he used but the price and quality fills my needs for this bike.   If I crash(only happened once in 50 years ;)) I do have that spare set of cases  ;D

along as it doesn't fall off strynboen I am a happy camper



Offline MoMo

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Re: CB400 Four, version 9.0 for ??? I flip for 400 fours
« Reply #131 on: June 05, 2016, 06:19:38 PM »
This must be what happens when a screwdriver is used to remove fork seals :( Fortunately not in a critical area.  Smoothed it out with a Dremel.


I have posted this before but here goes again-this is by far the best setup I've used to install fork caps.  Tube is in the vise for pictures only.


Usually the pivot arm is in far worse condition, this required minimal attention

 


.



Offline MoMo

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Re: CB400 Four, version 9.0 for ??? I flip for 400 fours
« Reply #132 on: June 05, 2016, 07:26:42 PM »
Disassembled the S&W shocks with this old spring compressor I've had for many moons, kind of surprised there still was dampening so I'll give the shocks a go.




Test fit my new handlebars


Think if I flip them upside down they'll give me that uncomfortable, back-breaking cafe racer ride I'm looking for?...Larry


Offline grcamna2

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Re: CB400 Four, version 9.0 for ??? I flip for 400 fours
« Reply #133 on: June 05, 2016, 08:35:22 PM »
Larry,
What's the recommended tool for removing old fork seals ?
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 MoMo

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Re: CB400 Four, version 9.0 for ??? I flip for 400 fours
« Reply #134 on: June 05, 2016, 08:40:55 PM »
I use an old tire iron(after heating the fork leg) and rest it another iron or a screwdriver that sits atop the fork leg. Slowly pry around the circumference.  I broke a lower leg once when I rested the iron on the leg so I put something between the leg and iron.  I'll post a photo if you'd like...

Offline grcamna2

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Re: CB400 Four, version 9.0 for ??? I flip for 400 fours
« Reply #135 on: June 05, 2016, 08:44:52 PM »
I use an old tire iron(after heating the fork leg) and rest it another iron or a screwdriver that sits atop the fork leg. Slowly pry around the circumference.  I broke a lower leg once when I rested the iron on the leg so I put something between the leg and iron.  I'll post a photo if you'd like...

Thanks Larry,I needed that info.  ;)
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 NobleHops

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Re: CB400 Four, version 9.0 for ??? I flip for 400 fours
« Reply #136 on: June 06, 2016, 01:22:45 PM »
Those 400s use the old style seals including a metal ring - and they can be a real PITA to extract. Heat the area and spray a ring of WD40 around the edge of the seal and you will see it get wicked between the seal and leg. Heat it again and when you hear popping sounds the seal is going to be a lot easier to remove.
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 MoMo

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Re: CB400 Four, version 9.0 for ??? I flip for 400 fours
« Reply #137 on: June 07, 2016, 08:21:57 PM »
Rear end is cleaning up nicely.   I'd post more photos but photobucket does not work. Hopefully, it is temporary as most all  my bike photos are stored there

Offline grcamna2

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Re: CB400 Four, version 9.0 for ??? I flip for 400 fours
« Reply #138 on: June 07, 2016, 08:34:10 PM »
Looks good for orig. paint Larry  8),are those the shocks you cleaned and rebuilt?
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 MoMo

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Re: CB400 Four, version 9.0 for ??? I flip for 400 fours
« Reply #139 on: June 08, 2016, 07:39:50 PM »
Looks good for orig. paint Larry  8),are those the shocks you cleaned and rebuilt?



original paint but spot touched up using a high quality sable brush and Rustoleum satin black.  It is the same technique I used on the Yamaha DS6 I restored.  Shocks were taken apart and cleaned, not rebuildable but dampening seemed to be fine so I'll give them a shot as is.  Plan is to keep the bike.

Offline MoMo

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Re: CB400 Four, version 9.0 for ??? I flip for 400 fours
« Reply #140 on: June 08, 2016, 07:50:46 PM »
There has not been one thing on this 400 that wasn't butchered by a PO. Every nut and bolt was loose.  I thought I needed swing arm bushings because when I grabbed the rear wheel I was able to move it side to side, so I ordered swing arm bearings-when I took the swing arm off the nut was loose. 

How about this repair?


Inside of the housing, I keep the innards of old beat up turn signals so I can transfer to a good cosmetic housing with bad sockets.


How about this chain adjuster repair?  Looks as though someone fabricated a replacement stop-original is to the right.  Nut and bolt on the adjuster are American threads.  I happened to have a spare adjuster laying around.

Offline MoMo

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Re: CB400 Four, version 9.0 for ??? I flip for 400 fours
« Reply #141 on: June 08, 2016, 08:20:40 PM »
Plan is to try and keep the budget under 1000 including purchase price, which was too much(450). That plus 40 for the motor case repair and 110 for tires has current expenditures at 600.  Battery, air filter and paint still needed. I hopefully have anything else needed( a sweep the floor project ;))....Larry

Offline grcamna2

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Re: CB400 Four, version 9.0 for ??? I flip for 400 fours
« Reply #142 on: June 08, 2016, 08:44:50 PM »
Plan is to try and keep the budget under 1000 including purchase price, which was too much(450). That plus 40 for the motor case repair and 110 for tires has current expenditures at 600.  Battery, air filter and paint still needed. I hopefully have anything else needed( a sweep the floor project ;))....Larry

I'm glad you decided to keep a 400/4  :)
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 MoMo

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Re: CB400 Four, version 9.0 for ??? I flip for 400 fours
« Reply #143 on: June 11, 2016, 07:48:09 PM »
Went out to the shop with an 11 bullet list of things I wanted to accomplish on the latest 400, managed to do all but one-and that was finding replacement handlebar switches.  The left is good but the right had been just a little bit butchered by a PO. Guess I'll be adding a switch into the budget.


Rebuilt the MC but the caliper has a broken easy out in the bleed hole so that'll be added.  Looks like my 1k goal is going to be topped . Other than the distorted rubber the MC was  clean-even the little hole was clear.


My rear end is finished . Everytime I get a colonoscopy I feel that it is ::)




Most parts for the front end are finished and drying,  I'll need handlebars, right switch and front caliper to have a chassis ready for the motor.  Plan is to have a rolling chassis, then finish the motor.  Antique title/tags applied for and should be here in a couple weeks.  Cheers...Larry


« Last Edit: June 12, 2016, 09:06:04 PM by MoMo »

Offline grcamna2

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Re: CB400 Four, version 9.0 for ??? I flip for 400 fours
« Reply #144 on: June 11, 2016, 07:52:02 PM »
lol   :D  Good progress Larry,even the back-end of your bike is clean..  ::)
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 RAFster122s

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Re: CB400 Four, version 9.0 for ??? I flip for 400 fours
« Reply #145 on: June 12, 2016, 12:16:33 AM »
He used Charmin, because everyone has to go...

MoMo, the PO must have really hated that bike to do all the damage to it. At least now it has a good home with someone who will show it some love.

The CX500 crowd has been using a very inexpensive round MC supplier from ebay that sells them for like $20 last time I looked and they were of surprising good quality and have been durable with no failures.  Shall I dig up the ebay seller name for you?

David
David- back in the desert SW!

Offline MoMo

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Re: CB400 Four, version 9.0 for ??? I flip for 400 fours
« Reply #146 on: June 12, 2016, 04:21:50 AM »
He used Charmin, because everyone has to go...

MoMo, the PO must have really hated that bike to do all the damage to it. At least now it has a good home with someone who will show it some love.

The CX500 crowd has been using a very inexpensive round MC supplier from ebay that sells them for like $20 last time I looked and they were of surprising good quality and have been durable with no failures.  Shall I dig up the ebay seller name for you?

David




Thanks David but it is the caliper-most likely a broken easy out down inside the bleeder hole.  I've used inexpensive(cheap) master cylinders that worked well. Unfortunately, a caliper from DSS is over $150. I may have an alternative plan but will have to do some research.

Offline MoMo

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Re: CB400 Four, version 9.0 for ??? I flip for 400 fours
« Reply #147 on: June 12, 2016, 04:48:09 AM »
I have a functional brake arm and caliper that is maybe a half inch longer than stock.  Plan is to check fitment after taking wheel and fender back off.  If it is doable I'll have to run the bike without the front fender bracket...Larry

Offline grcamna2

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Re: CB400 Four, version 9.0 for ??? I flip for 400 fours
« Reply #148 on: June 12, 2016, 07:20:18 AM »
I have a functional brake arm and caliper that is maybe a half inch longer than stock.  Plan is to check fitment after taking wheel and fender back off.  If it is doable I'll have to run the bike without the front fender bracket...Larry

Larry,
What is that caliper and brake arm from orig.? pics ?
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 MoMo

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Re: CB400 Four, version 9.0 for ??? I flip for 400 fours
« Reply #149 on: June 12, 2016, 07:22:44 AM »
I have a functional brake arm and caliper that is maybe a half inch longer than stock.  Plan is to check fitment after taking wheel and fender back off.  If it is doable I'll have to run the bike without the front fender bracket...Larry

Larry,
What is that caliper and brake arm from orig.? pics ?


No idea, possibly a 1973 Cb350G.  I'll take photos later-on my way to work now...Larry