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Author Topic: CBX550-Brat/urban scrambler on a budget  (Read 45017 times)

Offline pjdave

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Re: CBX550-Brat/urban scrambler on a budget
« Reply #20 on: Dec 12, 2015, 04:42:57 »
looking good

Offline NoRiders

  • Posts: 701
Re: CBX550-Brat/urban scrambler on a budget
« Reply #21 on: Dec 12, 2015, 19:03:23 »
looking good

Thank you PJ.

Good day - bad day haha!

Managed to borrow the long stem allen socket and release the holding bolt holding the plunger mechanism in the fork housing. Renewed the oil seal, quite straight-forward really. Good day.



Pleased with myself I cleaned the legs and then realised I hadn't filled them with oil....DOH!! :rolleyes: School boy error haha! I'll find the capacity data and fill using a syringe though the lower bolt hole....which means getting them undone again!!

In other news.....tyres are on :D



Tried to show the difference in widths, but perspective is playing it's usual trick.





Can't wait to fit them up to check for clearances.

Thanks for checking in :)

Offline NoRiders

  • Posts: 701
Re: CBX550-Brat/urban scrambler on a budget
« Reply #22 on: Dec 13, 2015, 18:09:42 »
Righto, I've had a good think in the garage and made a decision.

I'm going to keep the stock airbox, intake and filter housing which incorporates the battery holder as well as ignition/electrical components.

Having read a good few project threads about 'pods' and how they drastically affect the performance of CV carbs like the Kiehins on the CBX I've decided it's just not worth the bother for the sake of cheap looking pods which would be a git to fit anyway due to the frame spine being close to the middle two intakes.



I'm going to have hand made side covers anyway, so why not just house everything where it already was and extend the side covers to disguise the ugly airbox. I night even jazz it up a bit with some punch stainless sheet.

Also, I was dicking about with the rear guard as I now have tyres on the wheels, so quickly stuck the axle in and without the shock on I have no clearance issues that I can tell. The front edge of the guard needs trimming, but when I stuck the alloy guard on there is just looked right....so an alloy rear guard will be purchased at the next Kempton jumble. The filter box will provide a fixing point for it as well.


Needs trimming down, but this is the front anyway.

So, along with a number roundel, maybe part of the side panel?, I'll have all that I need in the correct place working as it should.

I might reposition the ignition switch as I like the idea of a central speedo and could mount it where the ignition barrel now sits....more thought about that in due course.

Fitted the seat locating/mounting lugs to the seat pan. Nylocs is the only way I could do it, they're right under where my arse will be.





So I cut three layers of yoga mat to line the pan and build up some more padding.




I might even find/make thick rubber washers so there'll be no danger of feeling the nuts.

Just need to make a H bracket to rivet to the front edge so the tank nut can also hold the seat in place as well.



Not bad for a few hours today. Cheers for checking in.

Offline NoRiders

  • Posts: 701
Re: CBX550-Brat/urban scrambler on a budget
« Reply #23 on: Dec 15, 2015, 15:44:53 »
Snaffled a CBR 600 monoshock off my biker neighbour. Trial fit looks like it's too long...can it be shortened on the coils, anyone know that can help? Thank you.

Looks v/smart I have to say.



It's long by 40mm, I could modify the top mount which doesn't look too difficult.



Mount the remote tank on the subframe somewhere like this.



I'm pretty sure the spring rate will be OK, there's only 15kg difference between the two bikes.

Could I source a shorter coil to reduce the length? I'd remove it to paint it as yellow wouldn't suit the overall colour scheme.....maybe paint it orange?

Any advice would be good, cheers
« Last Edit: Dec 15, 2015, 15:57:52 by NoRiders »

Offline xb33bsa

  • Posts: 7726
Re: CBX550-Brat/urban scrambler on a budget
« Reply #24 on: Dec 15, 2015, 18:31:07 »
just keep the stock shock on it or get an aftermarket shock made to fit
you cant just swap a shock from another bike and assume it might work because the bike have a similar weight that has nothing to do with whether it will work or not
if you want to go mucking with suspension get some books and learn

Offline NoRiders

  • Posts: 701
Re: CBX550-Brat/urban scrambler on a budget
« Reply #25 on: Dec 16, 2015, 06:04:40 »
just keep the stock shock on it or get an aftermarket shock made to fit
you cant just swap a shock from another bike and assume it might work because the bike have a similar weight that has nothing to do with whether it will work or not
if you want to go mucking with suspension get some books and learn

Yeah, thanx for that.

I had hoped it would go straight on, but I hadn't got any dimensions before collecting it last night. I know compressing it too much will not be good as it'll bottom out too soon.

I only asked if there was a tolerance in spring/length adjustment within the 30-40mm. I also know if the rear is raised significantly the steering will be affected and the chain may be too slack or rub on the frame.

I also know if I move the top mount it will affect the trajectory/alignment which could have a neg affect on handling, so will probably not move the mount.

I have another option for a monoshock, rather than fit the stock item. But, I may even end up doing that in the end.

Offline xb33bsa

  • Posts: 7726
Re: CBX550-Brat/urban scrambler on a budget
« Reply #26 on: Dec 16, 2015, 10:43:05 »
do you not still have the stock shock ?

Offline NoRiders

  • Posts: 701
Re: CBX550-Brat/urban scrambler on a budget
« Reply #27 on: Dec 16, 2015, 10:50:21 »
do you not still have the stock shock ?

Yes, I do. Hydro-pneumatic and trick in it's day.

It's an ugly/rusty brute but could clean up I suppose.

I had hoped a newer monoshock would work. I know of a UK shock absorber company that makes alloy billet bodies adjustable dampers/coil-overs who will build a 'made to measure' coil-over or me. I had thought to save money with the CBR item. Alas, it's not to be I fear.

Offline xb33bsa

  • Posts: 7726
Re: CBX550-Brat/urban scrambler on a budget
« Reply #28 on: Dec 16, 2015, 22:58:18 »
ive been trying to look at a parts breakdown on that goofy thing i cant find cbx550 is it just a slereved 750 ? anyway rterason i ask is cause i have a shocvk that may siut at least it has possabilities .it isa foxtwin clicker from a v45 sabre which has the same configuration rear suspensionj...i think anyway ....the twin clicker as it is is quite long but its just got a long ass eye end on one end .it can be easily shortened to suit without messin with the   spring length .how long was the stock shock yougot any pitchurs of it ? the twin clicker is a good by gawd american made unit just needs resealing.the biggest clue is the full travel of the stock shock...for a chance of viability

Offline 8ball

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Re: CBX550-Brat/urban scrambler on a budget
« Reply #29 on: Dec 16, 2015, 23:20:57 »
We didn't get the CBX550 in the US.  I think Canada got them, but basically they were an up-sized CBX400....which we also didn't get
Life's short....Brake LATE!!!!