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Author Topic: Confirm my goof.  (Read 1025 times)

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Offline Unsung

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Confirm my goof.
« on: March 25, 2018, 10:16:42 AM »
Hey guys, purchased my first Honda CB550 ('77) a while back and finally have a little time to tear her down for the build. In doing so, I may have discovered why she was so inexpensive... based on the serial # of the engine, it appears that someone swapped in a CB500 engine at some point. I just want confirmation from you experienced folks. Pics follow:



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Online jlh3rd

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Re: Confirm my goof.
« Reply #1 on: March 25, 2018, 10:40:17 AM »
Yep
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Offline Unsung

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Re: Confirm my goof.
« Reply #2 on: March 25, 2018, 10:43:23 AM »
Welp. Live and learn I suppose. Thanks for the quick reply.
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Offline Shtonecb500

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Re: Confirm my goof.
« Reply #3 on: March 25, 2018, 10:44:20 AM »
Thats a bummer buddy, where are you located and are there any 550 motors for sale on CL?

I have a cb500 and i love my bike so you will still be a happy camper, it makes me upset if someone got over on you tho.
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73/74'' CB500/550 resto-mod - sold
75' 750f 91' cbr f2 swap cafe - mock up
74' 750 chopper hardtail - complete - sold
74' CB750/836kit - Black mix & match - daily rider - always tweaking
71' cb500 K0 survivor - complete
71' K1 - CANDY GOLD/BROWN Winton kit - in process

Offline Kevin D

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Re: Confirm my goof.
« Reply #4 on: March 25, 2018, 10:53:44 AM »
Look on the cylinder. Isn't the cc cast in on the front? Certainly the bottom end is from a 500. Is it possible that the cyl has been swapped or bored?
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71 CB750 K1
108,000 miles
Original Owner
———past———
70 SL100/125/150
70 Candy BlueGreen CB 750 K0
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Former Honda parts kid/counter kid/do all
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Whether you think you can or think you can’t, you’re right
Genius is 99% perspiration, 1% inspiration

Offline Unsung

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Re: Confirm my goof.
« Reply #5 on: March 25, 2018, 10:55:41 AM »
Hey Shtone, I'm in GA, US. Perusing CL as we speak, ha. I  don't think it was a case of someone getting over, as I still got a great deal on the bike. I imagine the seller was just as ignorant as I was. I will get her going as-is until an engine comes along. She's in rough shape anyways so I was planning on a brat build, so not a huge deal.  :)
« Last Edit: March 25, 2018, 10:58:04 AM by Unsung »
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Offline Unsung

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Re: Confirm my goof.
« Reply #6 on: March 25, 2018, 10:57:05 AM »
Hmm, I will have to check Kevin D. Good point.
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