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Hello all! I wanted to create a post to share my progress with this cx500 Im building. So far everything is going very smoothly. Im a little delayed in joining the forum so Ill catch everyone up....
1980 CX500
-'05 1000rr front end
-Cognito moto front and rear wheels (with dual disk brakes up front and hydraulic rear brake)
-Ballistic battery
-CX500 deluxe tank
Parts ordered
-Pod filers
-new clip ons
-new wave rotors
-LED headlight
Fab'ed Parts
-rear sets
-mono shock/ bobber seat
Currently working on the wiring while the new seat/mono shock mount is being welded up. Still researching exhaust system and which tires I wanna put on her. Also looking into aftermarket speedo/dash system, so if anyone has any input on that, that would be great!
The photos look like ass, but Im just putting her together for now. Once shes road worthy and I work out all the kinks, she well come apart for final cleaning, paint, and assembly!
I post regularly on instagram if any of you follow that sort of thing.... @charlymabry
Have wanted to do a CX for a while. My initial thoughts are that the "GOAL" bike is not ridable. Lights and safety stuff required in most areas missing aside, I really do not think that rear swing arm is robust enough to handle the torque of acceleration/deceleration. The original springs would have provided the torque dampening. While i have never converted to a Mono shock, the geometry of the "GOAL" bike does look odd to me.
I still want to see the end result, i just would be careful about the physics and do the math on the swing arm from a mono shock point of view, as well as the removal of the old spring/shocks.
you have to remember a lot of these bikes posted on various sites and forums are not riders, they are simply a build that sits on the floor and has pictures taken of them.
I feel ya. I thought the same thing for a long time. The rear mono, while it isnt common, is out there a bit with good results. Theyre all voer youtube. Im not sure if they reinforced the swing arm but I am reinforcing the swing arm in a few places to ensure it is safe to ride.
I want to build something thats ridable... if you cant ride it, its not worth the time.
As far as the lights... Yeahhhhhhhh it wont be "LEEEEEGGGAAAAAALLLLL" in some places but I think it will be legal enough. It will have all the normal required equipment. Whether or not they meet the " Blinkers must be this far apart" I think will be the only issue? Luckily in Az we are pretty good. I run just a brake light wired to my front brake.... never had an issue. Even when sitting at a light talking to motorcycle cops.
Ill keep posting the progress. Parts started arriving today!
That's a nice offer CXman, but I don't know if the OP understands why the target design has inherent flaws that may cause it to fold up in the middle unless the arms are carefully strengthened. Maybe he's an engineer and has done the math. You mentioned swaps for different swingarms, could you perhaps suggest a better alternative path for this young man to follow?
The swing arm (and the bike) is free of ANY rust.... its just dirtier than all hell. I appreciate the offer though.
I am not an engineer. But the mono shock rear end on the CX has been done many of times before. Im not reinventing the wheel. I have a local fab shop that is going to brace the swing arm when I take the bike in for final welding.
i do a lot of work with some of these guys and dont fool your self
most of these are pogo sticks
they bounce around using knee action shocks in direct linkage configuration and dont have safe travel and rebound suspension
when i do mine i relocate a gl swing arm and use the pro link system on the ccx500 frame
then match to a shock of my choice
kamn also did this in his build
all the components are designed to work together this way
if you want a real rider then quit justifying the look go back and read a bunch of the threads on the cx x500 forum
and what the guys are finding when they start trying to ride these
and figure out what you are going to do to answer the suspension issues instead of the poser issues
and still dont use that swingarm i can send you a rust free one !!
Yes, there is a difference between linkage and non-linkage shocks. Putting an appropriate rear shock on the rear end will be fine. After all, the original rear shocks were direct with no linkage? So why is it all of a sudden an issue when it's converted to a mono shock? We have chosen a new rear shock with no linkage, new spring with a progressive sprint rate (for correct weight of bike and average rider) to mimic a linkage system while also re working internals and having compression and rebound settings.
I HAVE A RUST FREE SWING ARM!?
I thought this group would be more supportive instead of a bunch of fucking nazis.....
It is not lack of support
For me it is watching another newb copy other peoples
Mistakes
Do more research on the issue of shocks your ignorance is showing
Gentlemen,
I'm working on a similar build. Same starter bike exactly. I've got the Cognito fork conversion for a GSX-R750 and am headed down to the shop today to get it back from having the stem pressed into the lower triple. I plan to stick with the twin shocks but I haven't actually touched the CX yet just tore the donor apart.
CXman if you have any advice on the rear set up I'm all ears. I was thinking I would cut the frame, weld a hoop and run a cafe hump style seat...
Google cx500 forums and read.....alot....being an engineer doesn't mean a thing, I deal with plan errors every week. Making something do what it wasn't made for usually is not a good thing without proper modifications. these $#@&%* "Nazis"are thinking of your best interest and keeping you safe. Grow up and take advice, research and listen to the devoted cx guys..cxs are their passion..they know their stuff. Sidecar Bob I think, there, had a great link to shocks and geometry.
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