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Author Topic: CB400f rebuild  (Read 5521 times)

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Offline Tezrhc

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CB400f rebuild
« on: January 12, 2015, 09:27:46 AM »
Hi,this is my first post on here so go easy on me.
I've started building my 400/4 up,most of the bits have been chromed,zink plated or sprayed.
I try to do as much work as I can myself,eg paint,zink and all the rebuild.
Not really done photos of the before on parts but I will put on what I've got.
The frame,swingarm,stands and engine mounts are powder coated gloss black done by redditch powder coaters.
will post some pics as soon as I work out how.
Fuel tank primed and waiting for paint.
« Last Edit: January 12, 2015, 10:30:36 AM by Tezrhc »
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Previous bikes-NC30 x 5,RD350LC x 2,TDR250,CB250G5,SUZUKI GT750,CB400f x 2,Z650,Gilera 50 trial,RD250 x 2,DT125,DT175,IT175,BMWK100RS,KLX650,GSXR1100M,GSXR6/750SRAD,GS1000E,CR500 Supermoto x 2,GS400L,KLE250,KLX250 x 3,CB750f x 2,TS125,CM250,TDR250 x 2.
Now- NC30,RD350LC,CB400f.

Offline Tezrhc

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Re: CB400f rebuild
« Reply #1 on: January 12, 2015, 10:40:30 AM »
Tank painted,only 1 fly landed in the clear coat which I was able to sand out  ;D
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Previous bikes-NC30 x 5,RD350LC x 2,TDR250,CB250G5,SUZUKI GT750,CB400f x 2,Z650,Gilera 50 trial,RD250 x 2,DT125,DT175,IT175,BMWK100RS,KLX650,GSXR1100M,GSXR6/750SRAD,GS1000E,CR500 Supermoto x 2,GS400L,KLE250,KLX250 x 3,CB750f x 2,TS125,CM250,TDR250 x 2.
Now- NC30,RD350LC,CB400f.

Offline Tezrhc

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Re: CB400f rebuild
« Reply #2 on: January 12, 2015, 10:46:10 AM »
Forks to be taken apart and the stantions sent for straightening and rechroming.
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Previous bikes-NC30 x 5,RD350LC x 2,TDR250,CB250G5,SUZUKI GT750,CB400f x 2,Z650,Gilera 50 trial,RD250 x 2,DT125,DT175,IT175,BMWK100RS,KLX650,GSXR1100M,GSXR6/750SRAD,GS1000E,CR500 Supermoto x 2,GS400L,KLE250,KLX250 x 3,CB750f x 2,TS125,CM250,TDR250 x 2.
Now- NC30,RD350LC,CB400f.

Offline Tezrhc

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Re: CB400f rebuild
« Reply #3 on: January 12, 2015, 10:50:46 AM »
Casings polished with my diy mops and drill.
Some parts to be chromed.
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Previous bikes-NC30 x 5,RD350LC x 2,TDR250,CB250G5,SUZUKI GT750,CB400f x 2,Z650,Gilera 50 trial,RD250 x 2,DT125,DT175,IT175,BMWK100RS,KLX650,GSXR1100M,GSXR6/750SRAD,GS1000E,CR500 Supermoto x 2,GS400L,KLE250,KLX250 x 3,CB750f x 2,TS125,CM250,TDR250 x 2.
Now- NC30,RD350LC,CB400f.

Offline Tezrhc

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Re: CB400f rebuild
« Reply #4 on: January 12, 2015, 10:55:05 AM »
Engine stripped,blasted and painted.
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Previous bikes-NC30 x 5,RD350LC x 2,TDR250,CB250G5,SUZUKI GT750,CB400f x 2,Z650,Gilera 50 trial,RD250 x 2,DT125,DT175,IT175,BMWK100RS,KLX650,GSXR1100M,GSXR6/750SRAD,GS1000E,CR500 Supermoto x 2,GS400L,KLE250,KLX250 x 3,CB750f x 2,TS125,CM250,TDR250 x 2.
Now- NC30,RD350LC,CB400f.

Offline Restoration Fan

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Re: CB400f rebuild
« Reply #5 on: January 12, 2015, 11:09:01 AM »
Quote from: Tezrhc on January 12, 2015, 10:40:30 AM
Tank painted,only 1 fly landed in the clear coat which I was able to sand out  ;D

I like the color.  Is that a shadow on the tank or is that an uneven body line underneath the paint showing through?
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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 Tezrhc

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Re: CB400f rebuild
« Reply #6 on: January 12, 2015, 11:11:14 AM »
Got this seat cover from the states,parts for this bike are hard to find in the UK unless you pay the price or have something your not happy with >:(
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Previous bikes-NC30 x 5,RD350LC x 2,TDR250,CB250G5,SUZUKI GT750,CB400f x 2,Z650,Gilera 50 trial,RD250 x 2,DT125,DT175,IT175,BMWK100RS,KLX650,GSXR1100M,GSXR6/750SRAD,GS1000E,CR500 Supermoto x 2,GS400L,KLE250,KLX250 x 3,CB750f x 2,TS125,CM250,TDR250 x 2.
Now- NC30,RD350LC,CB400f.

Offline Tezrhc

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Re: CB400f rebuild
« Reply #7 on: January 12, 2015, 11:19:19 AM »
Quote from: Restoration Fan on January 12, 2015, 11:09:01 AM
Quote from: Tezrhc on January 12, 2015, 10:40:30 AM
Tank painted,only 1 fly landed in the clear coat which I was able to sand out  ;D

I like the color.  Is that a shadow on the tank or is that an uneven body line underneath the paint showing through?
Hi Ron,the colour was matched by my local paint supplier and should be as close as possible to origional,I think it's a reflection of the table its on,there's nothing showing through the paint,but I've done it myself and I'm not a professional painter.
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Previous bikes-NC30 x 5,RD350LC x 2,TDR250,CB250G5,SUZUKI GT750,CB400f x 2,Z650,Gilera 50 trial,RD250 x 2,DT125,DT175,IT175,BMWK100RS,KLX650,GSXR1100M,GSXR6/750SRAD,GS1000E,CR500 Supermoto x 2,GS400L,KLE250,KLX250 x 3,CB750f x 2,TS125,CM250,TDR250 x 2.
Now- NC30,RD350LC,CB400f.

Offline Tezrhc

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Re: CB400f rebuild
« Reply #8 on: January 12, 2015, 11:32:30 AM »
Wheel rims rechromed,new spokes and painted hubs.
Switchgear stripped rewired and painted gloss black,I thought they were gloss origionally but having looked on the Internet all have been semigloss,unless anybody knows different please give me your ten pennith.
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Previous bikes-NC30 x 5,RD350LC x 2,TDR250,CB250G5,SUZUKI GT750,CB400f x 2,Z650,Gilera 50 trial,RD250 x 2,DT125,DT175,IT175,BMWK100RS,KLX650,GSXR1100M,GSXR6/750SRAD,GS1000E,CR500 Supermoto x 2,GS400L,KLE250,KLX250 x 3,CB750f x 2,TS125,CM250,TDR250 x 2.
Now- NC30,RD350LC,CB400f.

Offline Tezrhc

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Re: CB400f rebuild
« Reply #9 on: January 12, 2015, 12:24:03 PM »
Had it rebored with a 466cc piston kit from Japan.
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Previous bikes-NC30 x 5,RD350LC x 2,TDR250,CB250G5,SUZUKI GT750,CB400f x 2,Z650,Gilera 50 trial,RD250 x 2,DT125,DT175,IT175,BMWK100RS,KLX650,GSXR1100M,GSXR6/750SRAD,GS1000E,CR500 Supermoto x 2,GS400L,KLE250,KLX250 x 3,CB750f x 2,TS125,CM250,TDR250 x 2.
Now- NC30,RD350LC,CB400f.

Offline Riceman

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Re: CB400f rebuild
« Reply #10 on: January 12, 2015, 12:29:19 PM »
The rebore should perk it up!
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Offline Tezrhc

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Re: CB400f rebuild
« Reply #11 on: January 12, 2015, 12:33:20 PM »
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Previous bikes-NC30 x 5,RD350LC x 2,TDR250,CB250G5,SUZUKI GT750,CB400f x 2,Z650,Gilera 50 trial,RD250 x 2,DT125,DT175,IT175,BMWK100RS,KLX650,GSXR1100M,GSXR6/750SRAD,GS1000E,CR500 Supermoto x 2,GS400L,KLE250,KLX250 x 3,CB750f x 2,TS125,CM250,TDR250 x 2.
Now- NC30,RD350LC,CB400f.

Offline Tezrhc

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Re: CB400f rebuild
« Reply #12 on: January 12, 2015, 12:34:57 PM »
Quote from: Riceman on January 12, 2015, 12:29:19 PM
The rebore should perk it up!
Yes the origional ring gap was big enough to get a pound coin between.
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Previous bikes-NC30 x 5,RD350LC x 2,TDR250,CB250G5,SUZUKI GT750,CB400f x 2,Z650,Gilera 50 trial,RD250 x 2,DT125,DT175,IT175,BMWK100RS,KLX650,GSXR1100M,GSXR6/750SRAD,GS1000E,CR500 Supermoto x 2,GS400L,KLE250,KLX250 x 3,CB750f x 2,TS125,CM250,TDR250 x 2.
Now- NC30,RD350LC,CB400f.

Offline Tezrhc

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Re: CB400f rebuild
« Reply #13 on: January 12, 2015, 12:38:21 PM »
Carbs were in a poor state but came up well,blasted with plastic media and zink plated choke lever and ancillaries.
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Previous bikes-NC30 x 5,RD350LC x 2,TDR250,CB250G5,SUZUKI GT750,CB400f x 2,Z650,Gilera 50 trial,RD250 x 2,DT125,DT175,IT175,BMWK100RS,KLX650,GSXR1100M,GSXR6/750SRAD,GS1000E,CR500 Supermoto x 2,GS400L,KLE250,KLX250 x 3,CB750f x 2,TS125,CM250,TDR250 x 2.
Now- NC30,RD350LC,CB400f.

Offline Tezrhc

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Re: CB400f rebuild
« Reply #14 on: January 12, 2015, 01:01:53 PM »
Finally get the engine in with some help from Olive the cat.
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Previous bikes-NC30 x 5,RD350LC x 2,TDR250,CB250G5,SUZUKI GT750,CB400f x 2,Z650,Gilera 50 trial,RD250 x 2,DT125,DT175,IT175,BMWK100RS,KLX650,GSXR1100M,GSXR6/750SRAD,GS1000E,CR500 Supermoto x 2,GS400L,KLE250,KLX250 x 3,CB750f x 2,TS125,CM250,TDR250 x 2.
Now- NC30,RD350LC,CB400f.

Offline NobleHops

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Re: CB400f rebuild
« Reply #15 on: January 12, 2015, 02:27:03 PM »
Great job so far, looks fantastic. Keep going!
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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 Kevin

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Re: CB400f rebuild
« Reply #16 on: January 12, 2015, 02:29:39 PM »
Nice!!
You're doing an awesome job, especially for doing most of the work yourself.
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A couple of 400F's and a
'98 Suzuki Intruder VS1400 ~ for long rides

Offline MoMo

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Re: CB400f rebuild
« Reply #17 on: January 12, 2015, 03:00:35 PM »
switches were not high gloss, semi or satin would be a better description.   Good work and welcome.  Nice to have warm enough weather to work outside...Larry
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Offline przjohn

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Re: CB400f rebuild
« Reply #18 on: January 12, 2015, 03:26:17 PM »
Love the color and keep up the great work!
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I like poetry, long walks on the beach, and poking at dead things with a stick.

Offline Tezrhc

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Re: CB400f rebuild
« Reply #19 on: January 13, 2015, 12:20:24 AM »
Quote from: MoMo on January 12, 2015, 03:00:35 PM
switches were not high gloss, semi or satin would be a better description.   Good work and welcome.  Nice to have warm enough weather to work outside...Larry
Thanks Larry,I may go over the switches with a semi gloss clear coat.
Most of this work has been done over last year,at the moment it's freezin but I've got a heater in the shed and one more week off work so more work can be done.
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Previous bikes-NC30 x 5,RD350LC x 2,TDR250,CB250G5,SUZUKI GT750,CB400f x 2,Z650,Gilera 50 trial,RD250 x 2,DT125,DT175,IT175,BMWK100RS,KLX650,GSXR1100M,GSXR6/750SRAD,GS1000E,CR500 Supermoto x 2,GS400L,KLE250,KLX250 x 3,CB750f x 2,TS125,CM250,TDR250 x 2.
Now- NC30,RD350LC,CB400f.

Offline Tezrhc

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Re: CB400f rebuild
« Reply #20 on: January 13, 2015, 12:19:30 PM »
The 400/4 at present
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Previous bikes-NC30 x 5,RD350LC x 2,TDR250,CB250G5,SUZUKI GT750,CB400f x 2,Z650,Gilera 50 trial,RD250 x 2,DT125,DT175,IT175,BMWK100RS,KLX650,GSXR1100M,GSXR6/750SRAD,GS1000E,CR500 Supermoto x 2,GS400L,KLE250,KLX250 x 3,CB750f x 2,TS125,CM250,TDR250 x 2.
Now- NC30,RD350LC,CB400f.

Offline jvandyke

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Re: CB400f rebuild
« Reply #21 on: January 13, 2015, 08:15:32 PM »
Looks great.
I think the switch housings were black anodized, no?  I'm a total noob so don't rely on that.  Satin will look right.  I'm think I'm going to polish the ones on my '72 CB500 four.
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1972 CB500, 7500 miles, in family since '73

Offline Tezrhc

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Re: CB400f rebuild
« Reply #22 on: January 13, 2015, 10:40:41 PM »
Quote from: jvandyke on January 13, 2015, 08:15:32 PM
Looks great.
I think the switch housings were black anodized, no?  I'm a total noob so don't rely on that.  Satin will look right.  I'm think I'm going to polish the ones on my '72 CB500 four.
Hi jvandyke,now you've said that I think your right,I've got spare switches that are faded and it doesn't look like paint.
Thanks for the info
Tez.
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Previous bikes-NC30 x 5,RD350LC x 2,TDR250,CB250G5,SUZUKI GT750,CB400f x 2,Z650,Gilera 50 trial,RD250 x 2,DT125,DT175,IT175,BMWK100RS,KLX650,GSXR1100M,GSXR6/750SRAD,GS1000E,CR500 Supermoto x 2,GS400L,KLE250,KLX250 x 3,CB750f x 2,TS125,CM250,TDR250 x 2.
Now- NC30,RD350LC,CB400f.

Offline Tezrhc

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Re: CB400f rebuild
« Reply #23 on: January 14, 2015, 08:17:18 AM »
Today I have cleaned the powder coating off where the coils bolt to with the dremmel,good earth and no signs when bolted on.
« Last Edit: January 14, 2015, 08:27:43 AM by Tezrhc »
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Previous bikes-NC30 x 5,RD350LC x 2,TDR250,CB250G5,SUZUKI GT750,CB400f x 2,Z650,Gilera 50 trial,RD250 x 2,DT125,DT175,IT175,BMWK100RS,KLX650,GSXR1100M,GSXR6/750SRAD,GS1000E,CR500 Supermoto x 2,GS400L,KLE250,KLX250 x 3,CB750f x 2,TS125,CM250,TDR250 x 2.
Now- NC30,RD350LC,CB400f.

Offline Kevin

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Re: CB400f rebuild
« Reply #24 on: January 14, 2015, 01:28:28 PM »
Looking good!
Make sure you do a good job of grounding the battery box too. I usually run a wire between frame and battery box just to be sure it has a good ground.
If it isn't grounded well you will have battery charging issues as some of the electrics are bolted to it and use it as their ground.

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A couple of 400F's and a
'98 Suzuki Intruder VS1400 ~ for long rides
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