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Old 09-10-2012, 01:41 AM   #16
TwinDuro
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Quote:
Originally Posted by MODNROD View Post
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!
Darn right MODNROD! I tried to stay under the radar most of the time, but for a few weeks in my senior year of high school, I ran my CB500/4 with open headers, no baffles, no mufflers and no turn signals

Man, does a CB-Four make A LOT of noise at full tilt boogie like that!
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Old 09-14-2012, 01:16 AM   #17
TwinDuro
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No CB desert sled build thread is complete without engine noises!

Here's a YouTube video or two of a CB500 Four being run through the paces on the road. I couldn't find any decent ones of CB550s or 650s being run out, but the sound is very similar. This one sounds like it's either got stock pipes or 4-2s, either of which IMHO, sound manlier then a 4-1






It's funny, even this euro-spec bike has the "wagging" speedometer needle at high speeds. Mine does the same thing... at 80-100mph, the bike is almost wagging it's finger at you saying "slow down!"


The experience is killer on these bikes. It's nothing like a modern inline four...
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Old 09-15-2012, 01:48 AM   #18
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Awesome! Let us know what (if anything) you need help with. CAD skills and some fabricating/manufacturing capabilities over here.
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Old 09-15-2012, 01:19 PM   #19
Luke OP
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I figured the exhaust would be an afterthought, but it's apparently the most important part. :) It'll be 4-2, by process of elimination. 4-1 pipes all seem to have big collectors under the frame which kill ground clearance. 4-4 is heavier and more expensive, especially since the bike will need spark arrested mufflers.

The question left is whether to use supertrapps or something else.
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Old 09-15-2012, 01:48 PM   #20
Luke OP
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Quote:
Originally Posted by TwinDuro
It's funny, even this euro-spec bike has the "wagging" speedometer needle at high speeds. Mine does the same thing... at 80-100mph, the bike is almost wagging it's finger at you saying "slow down!" [/FONT]

The experience is killer on these bikes. It's nothing like a modern inline four...
I suppose a wagging speedometer is better than wagging handlebars.
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Old 09-17-2012, 12:40 PM   #21
oregoncoast
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Originally Posted by Luke View Post
I figured the exhaust would be an afterthought, but it's apparently the most important part. :) It'll be 4-2, by process of elimination. 4-1 pipes all seem to have big collectors under the frame which kill ground clearance. 4-4 is heavier and more expensive, especially since the bike will need spark arrested mufflers.

The question left is whether to use supertrapps or something else.
You don't need no stinking spark arrester for Mexico
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Old 09-17-2012, 03:35 PM   #22
LC Garage
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Originally Posted by oregoncoast View Post
You don't need no stinking spark arrester for Mexico
...or mufflers either!
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Old 09-17-2012, 03:45 PM   #23
DaveRMS
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Luke, I'm loving it. I rebuilt a 75 CB400F a couple winters back.

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Old 09-18-2012, 11:08 PM   #24
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So DocSprocket and I got in a good day of work today. First up was to weigh what we have of the bike and see how the distribution works out. It's just the frame, wheels, parts motor and swingarm. There's over 100lbs of stuff to add to get back to the stock weight, so this is very preliminary.




Next up was lining up the rear wheel in the swingarm




Checking the shock/chain clearance.



We borrowed a tank and seat from Rick's stash and stepped back for a look


It looks like a dirt bike. Except for the seat, that has to go. We found a KTM seat and threw that on, along with a mocked up shock.



Much better.


Next up, we cross the rubicon.




Gotta get the mock shock in place to see if it fits. There was plenty of room, even with the oversized reservoir.


Ended the day cleaning out the carbs. In addition to the usual gunk, the jets were all mangled in the screwdriver slots, there were two different kinds of emulsion tubes installed, one broken main jet, and three mikuni main jets installed. They're keihin carbs.

Sorry, no pictures.
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Old 09-19-2012, 12:03 AM   #25
oregoncoast
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I apparently have not received my copy of the work schedule



This thing is going to be sick...it already looks great, those forks just fit the whole thing perfectly!


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Old 09-19-2012, 01:34 AM   #26
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Luke

I like my CB550F, but the heavy bitch is sometimes a pain to keep on the road. Maybe offroading is a good idea after all
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Old 09-19-2012, 09:14 AM   #27
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Much better.

Gotta get the mock shock in place to see if it fits. There was plenty of room, even with the oversized reservoir.

That mock shock with beer can reservoir is bad a$$!

I also see Danny's retractable leash hanging off the front end, what the he** is that supposed to be????
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Old 09-19-2012, 02:28 PM   #28
azcagiva
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Looks good. Dad is in the process of building a cafe racer of his four.

I have an extra set of those forks if you need any parts or anything. I might even still have a set of heavy springs for those too. I will dig through my stuff and see if I can find them if you want.


The husky style shocks are going to be awesome.

-John
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Old 09-19-2012, 10:31 PM   #29
Luke OP
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Luke

I like my CB550F, but the heavy bitch is sometimes a pain to keep on the road. Maybe offroading is a good idea after all
Flood

When I started riding, it took a couple of exciting corners to learn that 'countersteering' wasn't 'applying a little pressure to the inside bar' like everyone said. It was holding the grips tight and twisting the bar like you're loosening a rusty lug nut. An experienced rider friend insisted I was doing it all wrong until he rode my bike.

I hope this bike will steer a little easier than that one.
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Old 09-19-2012, 10:36 PM   #30
Luke OP
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Originally Posted by LC Garage View Post

I also see Danny's retractable leash hanging off the front end, what the he** is that supposed to be????
See picture 2. We needed to line up the rear wheel with the frame, and couldn't find your laser alignment rack. Was it out for calibration?
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