Ive been wanting to build a bobber for as long as I can remember but never seriously enough to spend any money. So when this CB550 came up on gumtree I decided Id give it a crack.
It was pretty much just the motor and frame with a front end, along with a hacked out rear wheel and a box of parts. The rear end had already been cut off and a universal hardtail kit was thrown in.
I soon to it into work to strip down and blast the frame, before tacking the rear end up.
It took quite some time deciding how I wanted to run the lines and just as long to tack it up square.
I took it home to test fit everything and make sure it sat how I wanted it. Everything was pretty spot on.
Really happy to see it rolling at this stage, this was the first time I’d seen it look anything like a bike.
I spent a solid day fully welding and flushing the rear of the frame.
First mock up with the donk in. The front end really needs to be dropped.
I machined all the saddles for the seat cross member, which made it a dream to weld.
Now with the seat on and the tank mocked up its starting to take shape.
I picked up this old sportster tank from a wrecker and the lugs had been moved. I cut them off and moved them back to a similar position as what they would have been standard, I imagine.
Perfect fit,
I thorough some paint stripper on the tank bring it back to raw metal for the build period. Id love to leave it raw and clear it but theres a bit bog in the front so it would be more effort than its worth.
After welding up a few holes in the rear rim, I took them in to get blasted and powder coated.
Really happy with how they came out. I wasn’t expecting much considering the condition they where in. I got them done spokes and all and the build up around the nipples is barely noticeable.
I grabbed a few buffing wheels for my little bench grinder to have a play with. The first thing I picked up was this sprocket, and it came up quite well.
I was planning on replacing it, but its looking great now.
Pile of blasted metal in the shed ready to piece back together.
It been sitting like this for a few weeks now, Ill have to roll it out for some proper photos later on.





























Nice work mate. Really impressive.
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Cheers mate, she’s got a long way to go yet.
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Hey man, the frame came up mint!
I’m building my 550 and was looking to get a similar frame build. Where abouts are you located?
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Thank mate, Im in adelaide.
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