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Author Topic: 500 550  (Read 1231 times)

Offline simonc

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500 550
« on: April 18, 2020, 05:57:14 PM »
Hi I am in the middle of re building a 550f2 ? 1977 usa import came with 500 k? engine fitted have removed engine stripped engine looks to be very good internally oa standard bore all in spec i have de glazed bores unbelievable condition.
wiring loom poor but have very good replacement,Is the wiring on 500 same as 550f? ::)
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cb72 1964
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cb550 1977 with cb 500k engine

Offline Bryanj

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Re: 500 550
« Reply #1 on: April 18, 2020, 06:25:53 PM »
No, 550 had a safety inlock system so you couldnt start it in gear unless you pulled the clutch lever in, 3 active fuse fuse box and ignition switch between clocks i think
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Offline simonc

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Re: 500 550
« Reply #2 on: April 18, 2020, 06:31:41 PM »
Ah that may explain why it looked as though it had been hot wired. the replacement harness is the same as one fitted is there away round this everything on running gear, frame is cb 550f ?
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cb72 1964
cb550f1 1976
cb550f1 1976
cb550 1977 with cb 500k engine

Offline Nurse Julie

  • 1977 CB550/4 Mongrel Brat. 1974 UK 500/4 K1. Honda CD250u.
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Re: 500 550
« Reply #3 on: April 18, 2020, 06:32:01 PM »
Why has your 550f2 got a 500k engine fitted🤔
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Offline simonc

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Re: 500 550
« Reply #4 on: April 18, 2020, 06:36:02 PM »
us import came this way at the time i had 3 other cb 550fs but this was cheap? :D
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cb72 1964
cb550f1 1976
cb550f1 1976
cb550 1977 with cb 500k engine

Offline Nurse Julie

  • 1977 CB550/4 Mongrel Brat. 1974 UK 500/4 K1. Honda CD250u.
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Re: 500 550
« Reply #5 on: April 18, 2020, 06:38:46 PM »
You mean you got it that way, they never came from the factory with a 550 frame with a 500 engine. The 500 engines had finished years before the 550 came out, even in USA.
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Offline simonc

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Re: 500 550
« Reply #6 on: April 18, 2020, 06:55:24 PM »
yes i realise that it is not original  but it came that way all the plug ins  fit surely  this has been done before. I have just  looked at engine no ending 500E is the engine an f dont know year, excuse my ignorance.
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cb72 1964
cb550f1 1976
cb550f1 1976
cb550 1977 with cb 500k engine

Offline simonc

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Re: 500 550
« Reply #7 on: April 18, 2020, 07:02:43 PM »
sorry i bought it as is  lol ;D :D :D
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cb72 1964
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cb550 1977 with cb 500k engine

Offline Nurse Julie

  • 1977 CB550/4 Mongrel Brat. 1974 UK 500/4 K1. Honda CD250u.
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Re: 500 550
« Reply #8 on: April 18, 2020, 07:03:55 PM »
Quote from: simonc on April 18, 2020, 06:55:24 PM
yes i realise that it is not original  but it came that way all the plug ins  fit surely  this has been done before. I have just  looked at engine no ending 500E is the engine an f dont know year, excuse my ignorance.
The engine is a 500 from a 500 four, or 500 K0, K1 or K2. If you let us know the engine number, Bryanj on the forum will be able to give you an approximate build date for the engine. What is your VIN number, that will give a clue to when the frame was manufactured.
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LINK TO MY CB400/4 ENGINE STRIP / ASSESSMENT AND REBUILD...NOW COMPLETE
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Offline Nurse Julie

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Re: 500 550
« Reply #9 on: April 18, 2020, 07:05:28 PM »
Quote from: simonc on April 18, 2020, 07:02:43 PM
sorry i bought it as is  lol ;D :D :D
Don't be sorry, nothing wrong with a Mongrel as long as you knew it was a Mongrel when you bought it.
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LINK TO MY EBAY PAGE. As many of you know already, I give 10% discount and do post at cost to forum members if you PM me direct.
https://www.ebay.co.uk/sch/julies9731/m.html?item=165142672569&rt=nc&_trksid=p2047675.m3561.l2562

LINK TO MY CB400/4 ENGINE STRIP / ASSESSMENT AND REBUILD...NOW COMPLETE
http://www.sohc.co.uk/index.php/topic,14049.msg112691/topicseen.html#new

Offline simonc

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Re: 500 550
« Reply #10 on: April 18, 2020, 07:08:51 PM »
yes i knew thank you is it ok to post engine and frame no on here?
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cb72 1964
cb550f1 1976
cb550f1 1976
cb550 1977 with cb 500k engine

Offline Nurse Julie

  • 1977 CB550/4 Mongrel Brat. 1974 UK 500/4 K1. Honda CD250u.
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Re: 500 550
« Reply #11 on: April 18, 2020, 07:15:19 PM »
Quote from: simonc on April 18, 2020, 07:08:51 PM
yes i knew thank you is it ok to post engine and frame no on here?
Yes, plenty of people do. You can leave off the last 2 numbers of both and just put a star in their place if you wish.
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LINK TO MY EBAY PAGE. As many of you know already, I give 10% discount and do post at cost to forum members if you PM me direct.
https://www.ebay.co.uk/sch/julies9731/m.html?item=165142672569&rt=nc&_trksid=p2047675.m3561.l2562

LINK TO MY CB400/4 ENGINE STRIP / ASSESSMENT AND REBUILD...NOW COMPLETE
http://www.sohc.co.uk/index.php/topic,14049.msg112691/topicseen.html#new

Offline simonc

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Re: 500 550
« Reply #12 on: April 18, 2020, 07:21:15 PM »
cb500E2028001 engine ,cb550f 2105260 frame
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one job leads to another
cb72 1964
cb550f1 1976
cb550f1 1976
cb550 1977 with cb 500k engine

Offline Nurse Julie

  • 1977 CB550/4 Mongrel Brat. 1974 UK 500/4 K1. Honda CD250u.
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Re: 500 550
« Reply #13 on: April 18, 2020, 07:29:13 PM »
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LINK TO MY EBAY PAGE. As many of you know already, I give 10% discount and do post at cost to forum members if you PM me direct.
https://www.ebay.co.uk/sch/julies9731/m.html?item=165142672569&rt=nc&_trksid=p2047675.m3561.l2562

LINK TO MY CB400/4 ENGINE STRIP / ASSESSMENT AND REBUILD...NOW COMPLETE
http://www.sohc.co.uk/index.php/topic,14049.msg112691/topicseen.html#new

Offline Nurse Julie

  • 1977 CB550/4 Mongrel Brat. 1974 UK 500/4 K1. Honda CD250u.
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Re: 500 550
« Reply #14 on: April 18, 2020, 07:32:08 PM »
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LINK TO MY EBAY PAGE. As many of you know already, I give 10% discount and do post at cost to forum members if you PM me direct.
https://www.ebay.co.uk/sch/julies9731/m.html?item=165142672569&rt=nc&_trksid=p2047675.m3561.l2562

LINK TO MY CB400/4 ENGINE STRIP / ASSESSMENT AND REBUILD...NOW COMPLETE
http://www.sohc.co.uk/index.php/topic,14049.msg112691/topicseen.html#new
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