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Author Topic: 400/4 frame and engine numbers  (Read 9240 times)

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Offline andyspark

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400/4 frame and engine numbers
« on: January 09, 2013, 02:33:48 PM »
I am trying to identify the year of manufacture and country of origin of my 400/4 that i am restoring as a cafe racer.

The frame number is CB400F 1070373 and engine number is CB400FE 1067778.

Is it possible to identify from these numbers
Thanks
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Offline Rodger

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Re: 400/4 frame and engine numbers
« Reply #1 on: January 09, 2013, 02:52:29 PM »
It's a 1975.  It's a later 75 the 1070373 is toward the end at model year, they only went to 1074000 or so i think?
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69 Honda CB350, 71 Honda CB350K, 72 Honda CB350K Café,
75 Honda CB400F Blue, 75 Honda CB400F Red 73 Honda CL175 and 76 Honda CJ360

Offline MoMo

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Re: 400/4 frame and engine numbers
« Reply #2 on: January 09, 2013, 02:57:23 PM »
Here is a link you can use for future reference  http://www.motorera.com/honda/index.htm  ...Larry
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Offline bryanj

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Re: 400/4 frame and engine numbers
« Reply #3 on: January 09, 2013, 11:59:50 PM »
Starting 1 is 75 starting 2 is 76 starting 21 is 77 according to the US ID guide, i don't thik even Honda can tell you where it first went
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Semi Geriatric ex-Honda mechanic and MOT tester (UK version of annual inspection). Garage full of "projects" mostly 500/4 from pre 73 (no road tax in UK).

Remember "Its always in the last place you look" COURSE IT IS YOU STOP LOOKIN THEN!

Offline Dream750

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Re: 400/4 frame and engine numbers
« Reply #4 on: January 10, 2013, 03:54:46 AM »
Quote from: andyspark on January 09, 2013, 02:33:48 PM
I am trying to identify the year of manufacture and country of origin of my 400/4 that i am restoring as a cafe racer.

The frame number is CB400F 1070373 and engine number is CB400FE 1067778.

Is it possible to identify from these numbers
Thanks

Welcome to the SOHC forums. Here’s a basic guide for 1975 CB400F frame numbers, by the country of origin:

CB400F-1007709 to 1073399 (England)

CB400F-1003859 to 1071669 (France)

CB400F-1003864 to 1073209 (Germany)

CB400F-1012968 to 1033142 (Sweden)

CB400F-1007366 to 1084404 (Australia)

CB400F-1000001 to ? (USA)

CB400F 1003869 to 1072669 (European Direct)
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Offline bryanj

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Re: 400/4 frame and engine numbers
« Reply #5 on: January 10, 2013, 10:49:58 PM »
Sorry that list of countries  don't make sense as more than 1 country has same numbers
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Semi Geriatric ex-Honda mechanic and MOT tester (UK version of annual inspection). Garage full of "projects" mostly 500/4 from pre 73 (no road tax in UK).

Remember "Its always in the last place you look" COURSE IT IS YOU STOP LOOKIN THEN!

Offline Felix

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Re: 400/4 frame and engine numbers
« Reply #6 on: January 12, 2013, 06:44:05 AM »
Quote from: Dream750 on January 10, 2013, 03:54:46 AM
Quote from: andyspark on January 09, 2013, 02:33:48 PM
I am trying to identify the year of manufacture and country of origin of my 400/4 that i am restoring as a cafe racer.

The frame number is CB400F 1070373 and engine number is CB400FE 1067778.

Is it possible to identify from these numbers
Thanks

Welcome to the SOHC forums. Here’s a basic guide for 1975 CB400F frame numbers, by the country of origin:

CB400F-1007709 to 1073399 (England)

CB400F-1003859 to 1071669 (France)

CB400F-1003864 to 1073209 (Germany)

CB400F-1012968 to 1033142 (Sweden)

CB400F-1007366 to 1084404 (Australia)

CB400F-1000001 to ? (USA)

CB400F 1003869 to 1072669 (European Direct)


My frame number is CB400F-1080280, would that make it a 1975 Australian bike?
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Offline Dream750

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Re: 400/4 frame and engine numbers
« Reply #7 on: January 13, 2013, 06:09:24 AM »
Guys, I apologize for the late reply as I’m no longer receiving forum topic reply email notifications due to the ongoing SOHC website upgrades.

I did some checking and CMSNL shows 400F serial numbers that are nearly identical to my list in reply #4. I can’t explain why Honda did this, any thoughts?  ???

General Export (KPH) http://www.cmsnl.com/honda-cb400f-general-export-kph_model14637/info/

General Export (MPH) http://www.cmsnl.com/honda-cb400f-general-export-mph_model14638/info/

England: http://www.cmsnl.com/honda-cb400f-england_model14639/info/

European Direct: http://www.cmsnl.com/honda-cb400f-european-direct-sales_model14640/info/

France: http://www.cmsnl.com/honda-cb400f-france_model14641/info/

Germany: http://www.cmsnl.com/honda-cb400f-germany_model14642/info/

Sweden: http://www.cmsnl.com/honda-cb400f-sweden_model14643/info/

Australia: http://www.cmsnl.com/honda-cb400f-australia_model14644/info/

USA: no serial numbers listed
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Offline Felix

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Re: 400/4 frame and engine numbers
« Reply #8 on: January 13, 2013, 06:56:29 AM »
And these are serial numbers for 1975 only, or is it 1975-78?
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Offline rockvegas400

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Re: 400/4 frame and engine numbers
« Reply #9 on: January 13, 2013, 02:24:37 PM »
The attached info is from my parts manual.
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1975 CB400F
1988 VFR750F-J

Offline Dream750

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Re: 400/4 frame and engine numbers
« Reply #10 on: January 14, 2013, 11:44:53 AM »
rockvegas400, thanks for posting up your serial numbers. ;)



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Offline andyspark

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Re: 400/4 frame and engine numbers
« Reply #11 on: January 20, 2013, 01:18:11 PM »
Thanks for all the help with this. It appears my bike is a late 1975 400F.
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