Author Topic: refreshing a 400 4 - Now Refreshed - tuned + GoPro'ed  (Read 27111 times)

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Offline NobleHops

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Re: refreshing a 400 4
« Reply #25 on: January 24, 2014, 12:55:01 PM »
OK thanks a bunch, all I lack is some fresh scotchbright, so I'll grab that and have at it.

I think you may be mistaking me for someone else re the gauges though!

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 thirsty 1

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Re: refreshing a 400 4
« Reply #26 on: January 24, 2014, 01:03:54 PM »
OK thanks a bunch, all I lack is some fresh scotchbright, so I'll grab that and have at it.

I think you may be mistaking me for someone else re the gauges though!



No problemo'! Huh, well someone had done the lower painted part of the gauges this way and it came out really good. I'll be doing mine like this so keep an eye out. It looks pretty cool.

Here's one of the brake plate.






Good job so far.  Hope to hook up a PNW ride this summer and see your finished ride...

Sure Thing! Send Me A PM When It happens!!


EDIT: Time frame: 4 beers and about 3 hours :D
« Last Edit: January 24, 2014, 01:09:55 PM by thirsty 1 »
73' CL125, 75' CB400F, 16' KTM 1190R, 05' KTM 525EXC

75' CB400F  -  http://forums.sohc4.net/index.php?topic=127295.0

My 79 CB750F for fun   ----   http://www.dotheton.com/forum/index.php?topic=19923.0

Offline NobleHops

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Re: refreshing a 400 4
« Reply #27 on: January 24, 2014, 01:14:59 PM »
Hey two more questions:

How fine did you go with the abrasives before you switched to the Scotchbrite?

And do you need/want any starter rebuild parts? I have the oring on the splined shaft, brushes and the seal at the spline/shaft end in surplus if you're going to freshen that up. Yours if you want them.

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 thirsty 1

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Re: refreshing a 400 4
« Reply #28 on: January 24, 2014, 01:24:28 PM »
I just sanded until the 320 went flat on me and it started to actually polish it. Then I switched to the different pads to get the finish. you'll understand it when it happens. haha, I did try some 600 but it wasn't doing much. Try and sand it in a circular motion. It's kind of a #$%* but .... it comes out good.

I'll take a pass on the starter parts. Thanks anyway it's appreciated. Mines all together and it works so I'm not messing with it.

I have my hoops out for powder and my spoke should be here mid next week so I should have some wheels made!!WOOT
73' CL125, 75' CB400F, 16' KTM 1190R, 05' KTM 525EXC

75' CB400F  -  http://forums.sohc4.net/index.php?topic=127295.0

My 79 CB750F for fun   ----   http://www.dotheton.com/forum/index.php?topic=19923.0

Offline NobleHops

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Re: refreshing a 400 4
« Reply #29 on: January 24, 2014, 01:30:43 PM »
I just sanded until the 320 went flat on me and it started to actually polish it. Then I switched to the different pads to get the finish. you'll understand it when it happens. haha, I did try some 600 but it wasn't doing much. Try and sand it in a circular motion. It's kind of a #$%* but .... it comes out good.

I'll take a pass on the starter parts. Thanks anyway it's appreciated. Mines all together and it works so I'm not messing with it.

I have my hoops out for powder and my spoke should be here mid next week so I should have some wheels made!!WOOT

Cool, thanks. I think I may install my bearings, put it on the truing stand and give the parts a spin for the last little bit with the Scotchbrite.
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 thirsty 1

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Re: refreshing a 400 4
« Reply #30 on: February 01, 2014, 01:55:35 PM »
Picked up my hoops from Seattle Powder Coating. This is a first for me for powder coating anything and I think they came out good especially for $87.50. My latest shipment from DSS came in too with my spokes so I figured I'd lace them up!

Laided everything out and sorted my stuff


find the first hole and then skip three. outside spokes first.


Flip and do it again


now for the inside ones.


Flip and do it again. done


on to the rear




Flip and go the other direction.


and on to the inside ones.


and the last side and done. My dial indicator is at work so the trueing part will have to wait for now.





Before:



« Last Edit: February 01, 2014, 02:08:48 PM by thirsty 1 »
73' CL125, 75' CB400F, 16' KTM 1190R, 05' KTM 525EXC

75' CB400F  -  http://forums.sohc4.net/index.php?topic=127295.0

My 79 CB750F for fun   ----   http://www.dotheton.com/forum/index.php?topic=19923.0

Offline NobleHops

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Re: refreshing a 400 4, Wheels Are Laced!
« Reply #31 on: February 01, 2014, 09:47:40 PM »
Awesome man, you make it all look easy, and you do it JUST in time for me to go to school on it :-).

Looking GOOD!
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 Mugen_Stumpo

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Re: refreshing a 400 4, Wheels Are Laced!
« Reply #32 on: February 02, 2014, 03:16:40 AM »
looks great! 8)

Offline thirsty 1

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Re: refreshing a 400 4, Wheels Are Laced!
« Reply #33 on: February 08, 2014, 07:48:01 PM »
Wheels are true and tires are on.




dash is done!


And it was a Grand Union! Hey I remember this thing!!
73' CL125, 75' CB400F, 16' KTM 1190R, 05' KTM 525EXC

75' CB400F  -  http://forums.sohc4.net/index.php?topic=127295.0

My 79 CB750F for fun   ----   http://www.dotheton.com/forum/index.php?topic=19923.0

Offline jackseattle

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Re: refreshing a 400 4
« Reply #34 on: February 08, 2014, 07:59:49 PM »
It's almost a roller! Everything is looking great
1976 400F
1971 450

Offline thirsty 1

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Re: refreshing a 400 4
« Reply #35 on: February 11, 2014, 05:14:35 PM »
Assembled my forks and did the install. I GOT A ROLLER. WOOT.



This just makes my afternoon!
73' CL125, 75' CB400F, 16' KTM 1190R, 05' KTM 525EXC

75' CB400F  -  http://forums.sohc4.net/index.php?topic=127295.0

My 79 CB750F for fun   ----   http://www.dotheton.com/forum/index.php?topic=19923.0

Offline SOHC4 Cafe Racer Fan

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Re: refreshing a 400 4 - Roller
« Reply #36 on: February 11, 2014, 05:57:27 PM »
very nice!
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
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Offline nvr2old

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Re: refreshing a 400 4 - Roller
« Reply #37 on: February 12, 2014, 10:06:43 AM »
Love the black wheels.  A very nice contrast to the chrome fenders.  Nicely done.  This bike is really coming along. 
'76 CB550F-'72 XL250-'82 MB5-'82 CX500 Turbo-'77 naked Goldwing-'75 CB400F cafe'-'79 Suzuki GS1000S..hey, it's a Wes Cooley..

Offline inv3ctiv3

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Re: refreshing a 400 4 - Roller
« Reply #38 on: February 12, 2014, 11:14:56 AM »
Such a cool build! Love it.
1975 CB400F

Offline thirsty 1

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Re: refreshing a 400 4 - Roller
« Reply #39 on: February 12, 2014, 12:34:43 PM »
Thank You Sir's!!. I suppose it's time for the harness cleaning. Have any of you used vinegar mixed with a little bit of salt to clean your connector? I've done a little Googling and figured I'd try it. Heres a actual picture from a camera and not my iphone.



73' CL125, 75' CB400F, 16' KTM 1190R, 05' KTM 525EXC

75' CB400F  -  http://forums.sohc4.net/index.php?topic=127295.0

My 79 CB750F for fun   ----   http://www.dotheton.com/forum/index.php?topic=19923.0

Offline NobleHops

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Re: refreshing a 400 4 - Roller
« Reply #40 on: February 12, 2014, 02:49:36 PM »
Dude, it looks fantastic! Black wheels look sinister and cool.

Have not heard of any magic for cleaning wiring harness connectors, although there was a guy on the 1100F board that dunked his wiring harness in his ultrasonic cleaner lock stock and barrel and they looked new when they emerged.

I tried soaking the connectors in straight lemon juice, no great effect. Definitely interested in what you learn.

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 thirsty 1

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Re: refreshing a 400 4 - Roller
« Reply #41 on: February 12, 2014, 03:23:28 PM »
Thanks Nils. The vinegar and salt works awesome. Here are some before and afters.  Basically get yourself some run of the mill white vinegar and add some salt. Soak and scrub the connections with a old tooth brush. Rinse all of the connections with water and then dunk them in another solution of water and baking soda to neutralize the acid in the vinegar. I've been doing another final rinse with a shot of brake clean or electrical connection cleaner.

















I let it all soak for about a half hour or half of one beer.
« Last Edit: February 12, 2014, 03:27:54 PM by thirsty 1 »
73' CL125, 75' CB400F, 16' KTM 1190R, 05' KTM 525EXC

75' CB400F  -  http://forums.sohc4.net/index.php?topic=127295.0

My 79 CB750F for fun   ----   http://www.dotheton.com/forum/index.php?topic=19923.0

Offline NobleHops

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Re: refreshing a 400 4 - Roller
« Reply #42 on: February 12, 2014, 04:41:24 PM »
Looks awesome Matt, great work as usual. Looks like those sprockets arrived? I would not use that particular combo! Suggest you go with a front sprocket that divides less perfectly with the rear.

Have had guests for the last week, and no opportunity to work on my bike. Jonesing to get back to it.

N.
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 thirsty 1

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Re: refreshing a 400 4 - Roller
« Reply #43 on: February 12, 2014, 06:22:53 PM »
Looks awesome Matt, great work as usual. Looks like those sprockets arrived? I would not use that particular combo! Suggest you go with a front sprocket that divides less perfectly with the rear.

Have had guests for the last week, and no opportunity to work on my bike. Jonesing to get back to it.

N.

It'll have to work for now I cut my worn out chain to fit it up. 2.23 is the 38/17 ratio, 2.0 is the 34/17 combo so it's a bit tall but it'll work. My old rings were sooooo worn out. Thanks again for the donation.
73' CL125, 75' CB400F, 16' KTM 1190R, 05' KTM 525EXC

75' CB400F  -  http://forums.sohc4.net/index.php?topic=127295.0

My 79 CB750F for fun   ----   http://www.dotheton.com/forum/index.php?topic=19923.0

Offline thirsty 1

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Re: refreshing a 400 4 - Roller
« Reply #44 on: February 16, 2014, 09:42:26 PM »
update time, I'm going to go back a bit and put the pictures of my gauges in here. Maybe this will help out another some day. So I used the paint can opener technique. Going round and round and round prying it up until I could separate the halves. My problem came up while trying to get the reset knob off which I never did! Instead I took the trip meter apart in the housing while holding it all. When I did this the speedo needle return spring got bent by fishing the mess all apart.
This one:


which lead me to this problem:


So after some fiddling about and posting the questions I got the balls enough to stick a small screwdriver in there and bend it round again - and it worked to my relief.


So I mated the halves and re-crimped the chrome ring. whoooo.

It's a bad pic but I did get all the connections cleaned and re-taped the complete harness.
 

Got my Dyna coils mounted
 



and my new  ::) harness installed


Then onto the front brake set up. After breaking my bleeder and finding out it needed a new piston I splurged for a completely new one - cheating I know but oh well. Painted the mounting arm and installed.
 

Fixed some more bad threads and rebuilt the master.




cleaned, painted, and rebuilt  :D


This is the order for the rebuild kit as the kit had no instructions.




Used my wifes BIGSEXYHAIR to fit my new squishy grips on  ;D


Until next time,
CHEERS ALL!!!
« Last Edit: February 16, 2014, 09:47:58 PM by thirsty 1 »
73' CL125, 75' CB400F, 16' KTM 1190R, 05' KTM 525EXC

75' CB400F  -  http://forums.sohc4.net/index.php?topic=127295.0

My 79 CB750F for fun   ----   http://www.dotheton.com/forum/index.php?topic=19923.0

Offline NobleHops

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Re: refreshing a 400 4 - Roller
« Reply #45 on: February 16, 2014, 10:29:23 PM »
So close - you'll be firing this up any moment!
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 neevo

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Re: refreshing a 400 4 - Roller
« Reply #46 on: February 17, 2014, 02:30:50 AM »
thirsty how much smaller are those could vs stock? I have clearance issues under my tank.

Offline thirsty 1

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Re: refreshing a 400 4 - Roller
« Reply #47 on: February 17, 2014, 08:35:28 AM »
thirsty how much smaller are those could vs stock? I have clearance issues under my tank.

They're actually a bigger dia. but the mounting bars are off set.  It's really close but they do fit.

OEM


DYNA


Tank rubber. The grab tab is torn but it's in there.
73' CL125, 75' CB400F, 16' KTM 1190R, 05' KTM 525EXC

75' CB400F  -  http://forums.sohc4.net/index.php?topic=127295.0

My 79 CB750F for fun   ----   http://www.dotheton.com/forum/index.php?topic=19923.0

Offline NobleHops

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Re: refreshing a 400 4 - Roller
« Reply #48 on: February 17, 2014, 09:41:40 PM »
This is likely too late to help, but that reset knob may have a reverse thread if there's no set screw. That's how it is on the twin-shock CBX anyway. Prolink has a set screw.
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 thirsty 1

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Re: refreshing a 400 4 - Roller
« Reply #49 on: February 23, 2014, 06:54:26 PM »
This is likely too late to help, but that reset knob may have a reverse thread if there's no set screw. That's how it is on the twin-shock CBX anyway. Prolink has a set screw.

Yup to late but thanks I was wondering. I tried my heat gun to avail. It's stuck on there. 
73' CL125, 75' CB400F, 16' KTM 1190R, 05' KTM 525EXC

75' CB400F  -  http://forums.sohc4.net/index.php?topic=127295.0

My 79 CB750F for fun   ----   http://www.dotheton.com/forum/index.php?topic=19923.0