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-   -   CB desert sled (http://www.advrider.com/forums/showthread.php?t=823952)

Luke 09-06-2012 12:32 AM

CB desert sled
 
AKA spawn of Outta Sight Racing.
AKAKA, saving a bunch of old Honda parts from cafe racer purgatory.


So after being part of some serious vintage bike idiocy for a couple of years, mostly involving two rounds of the Mexican 1000, it was time for me to build a bike. I wanted something a bit bigger then the SL. An old airhead was my first impulse, but I kept coming up with practical objections. Weight, balance, power, etc, etc. In truth, the problem was I used to own an oilhead GS and didn't really want another.

That brought me to the old Honda CBs. Something like an old CB550 was still heavy, but would be easier to balance (shorter motor, chain drive) and have a bit more power. But that's just dressing up the fact that my first bike was a CB650 and I do kind of miss that one.


So with about 8 months to go until the next MX1K I enlisted some accomplices and started ordering parts. Most notable among the accomplices is Rick "LC Garage" who is letting me build this thing in his garage. :clap This bike is being built with a mind towards the race, but mostly as a

Normally with a build, it makes sense to start with a complete bike and modify it. Unfortunately, the old SOHC 4s have such a following that complete bikes are quite expensive, so I'm starting from parts. The good news is that the cult has produced a lot of information on building and tuning these bikes, and has also kept the aftermarket alive.

Ebay and Craigslist were scoured, parts trickled in, and building starts.

I've only gotten as far as a test fit of the forks to the frame, but so far everything is progressing perfectly. :eek1 Rick has some posed pictures, but here is one I took while checking the wheel clearance.

http://drduck.smugmug.com/Motorcycle.../IMG9895-L.jpg


The forks and wheel are from a DRZ. So far, so good. But there is a bit more to do.

Luke 09-06-2012 01:25 AM

Docsprocket says:


Absolutely awesome! I want in super bad, but I want deep in. Give me a "what's-missing?" list, I'll start tracking it down. Rick's is closer to my place, and I can be there more than schelpping out to the coast. Set me up with a sub-project. For the love of God, anything! My hands have been idle for too long, and I'm on the verge of tricking out my 4-year-old electric Mini Cooper toy car. Dear Lord save me. And Larry's got those crazy eye like he knows what I'm thinkning, and he's in too...

DOCsprocket 09-06-2012 01:48 AM

Hey Luke,

Looks like you left yourself logged in to the nextbook I lent you guys to take down there. That was me trying to post above. Didn't realize it was "you" until after I sent it. But in summary: Hells yeah, count me in.

Luke 09-06-2012 03:35 AM

:dunno


At this time of night, I totally could be talking to myself.




What does it need? Just imagine a motorcycle. Then look at the picture above. It needs everything else. :lol3

Seriously, what it needs first is a proper BS session / sanity check. Before cutting the frame in half or ordering fancy custom shocks.

oregoncoast 09-06-2012 06:45 AM

I'm so confused :scratch


And sooo IN!

Luke should I box up that DRZ rear brake set-up for you??

Loud Al 09-06-2012 06:53 AM

Do you have the complete engine or just the bits in the picture?

LC Garage 09-06-2012 08:12 AM

Oh the Insanity!
 
Luke's new project is so far out of the box, it even makes Andrew Folcher's SC500 seem sane by comparison. :lol3

Here are some photos from the first few work days:

Day 1, a pile of parts and a dream (nightmare?);

http://lastchancegarage.smugmug.com/.../IMG2546-S.jpg

Day 2, parts pile begins to resemble a motorcycle;

http://lastchancegarage.smugmug.com/.../IMG2559-S.jpg

http://lastchancegarage.smugmug.com/.../IMG2561-S.jpg

http://lastchancegarage.smugmug.com/.../IMG2560-S.jpg

http://lastchancegarage.smugmug.com/.../IMG2562-S.jpg

I'm sure this project will have it's share of names and nick-names, right now I'm voting for CBZR-650! :wink:

JimmyTheHog 09-06-2012 08:21 AM

I had a CB550 and loving this! Im in.

What youre going to find is that most of us here are very impatient and will want daily (hourly?) progress updates !!! So lets get cracking!!!!! :D

istandalone 09-06-2012 09:31 AM

Neophyte desperately searching for WTF is "desert sled." I think I got it now!!! good luck!

Luke 09-06-2012 01:58 PM

Quote:

Originally Posted by oregoncoast (Post 19532055)
I'm so confused :scratch


And sooo IN!

Luke should I box up that DRZ rear brake set-up for you??


Please. The front brake is on indefinite back order, and I better have at least one working brake before the motor is working.


Quote:

Originally Posted by Loud Al (Post 19532100)
Do you have the complete engine or just the bits in the picture?

It's going to have a frankenmotor. Two, actually. I'll build a spare at the same time.
I have one parts motor already, and another in the mail.

Luke 09-06-2012 03:54 PM

Quote:

Originally Posted by JimmyTheHog (Post 19532714)
I had a CB550 and loving this! Im in.

What youre going to find is that most of us here are very impatient and will want daily (hourly?) progress updates !!! So lets get cracking!!!!! :D


You would know. :lol3


I like your Harley. And your CAD drawings, too. They are much nicer than mine.

TwinDuro 09-07-2012 01:52 AM

I can't imagine a much more beautiful sight and the even more beautiful sound of a CB four blasting across Baja at 9,000 rpm with open pipes; Chuck Norris agrees, so I'm in! :deal

http://i244.photobucket.com/albums/g...aCB500Four.jpg

I used those crash bars exclusively for crashing, believe you me! :lol3



Aussie Steve 09-07-2012 02:45 AM

Good luck with it.

Thread here might be of interest http://www.advrider.com/forums/showthread.php?t=497905 (towards the end)

Remarksman 09-07-2012 05:16 PM

Subscribed!

MODNROD 09-08-2012 05:52 PM

Quote:

Originally Posted by TwinDuro (Post 19539337)
I can't imagine a much more beautiful sight and the even more beautiful sound of a CB four blasting across Baja at 9,000 rpm with open pipes; Chuck Norris agrees, so I'm in! :deal

Yep.
My CB500/4 was also fun sitting at the lights next to the "beautiful people" in their soft-tops.
Open megs and methanol on the way to the track will do that........

PLEASE have 4 pipes! :D


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