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Budget CB550, 'Parking Space' Build!

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Raygun:
Hey all,

I've posted a few times asking for help and parts so thought it would be worthwhile starting a build thread. Bit of background: Over some of the lockdowns I built up a Suzuki GS125, thought the project took a bit less time than I was hoping and so after chatting with my neighbour I decided to up the stakes a bit and build 2x Honda CB550 'F2's- one for each of us!

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Here is the Suzuki, recently finished and listed for sale.

I've picked up 2 engines, 2 frames, and some other not very useful parts and am slowly realising this is a much bigger project than the little Suzuki!

I've just started on a carburettor rebuild of the old PD's until I can track down some 069As to fit instead, so at least I have something. Seperately, I've started a a top end rebuild on both engines, which are heading off to Nurse Julie's for some inspection soon. (All credit to this forum for helping me arrange that)

Here is how they were when I found them
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I've taken some timelapse videos so will post up a link soon.

P.S- I'll keep updating my Parts Required thread, so if you have any parts for a CB550 that you need rid of, please let me know and I'll likely what to offer you something for them!

Johnwebley:
Hi.

Looks like fun,

I had forgotten Suzuki did small 4 strokes

I immediately thought of the small  2strokes

Sent from my SM-A750FN using Tapatalk

taysidedragon:
The Suzuki looks good. 👍
Good luck with the 550s, looking forward to seeing the finished article.

Raygun:
Thanks all!

Both engines have now had their top ends stripped, now deciding on what route to go for refinishing the engines and whether I want to stomach a bottom end rebuild whilst I'm in here. Top ends going off to Nurse Julie once I box them up over the weekend.

I'm getting the engines into the stand tomorrow to flip them over and take a look again at the sump, not lying beneath the bike!

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Carbs coming apart for cleaning and rebuild

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Strip in progress!

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Apart, in the bike.

Raygun:

--- Quote from: Oddjob on March 19, 2021, 02:24:04 AM ---I actually think one of them is a K3 not an F2. It would explain why you have a set of PD carbs.

--- End quote ---

Oddjob, I think you're right. Taking apart the second top end last night and the engine serial read CB550 'E' rather than 'F', must be where the PD carbs are from.

Another forum member has managed to locate two sets of 627B carbs which look like they will be a better solution than the PDs (From my limited research!)

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