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bobber update, 2 obstacles

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Old Aug 11, 2008 | 06:16 AM
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Default bobber update, 2 obstacles

Well,

She has been on a little trip up the street and back.....pretty "bouncy", but I have 2 obstacles to overcome:

Bike falls flat around 3,000 RPM, so the ignition is not advancing

Clutch, have double checked everything, and cannot get the clutch to disengage. I honestly don't know what else to do, so I have to step away for awhile, and keep reading the manual and try to figure out just exactly what I am missing.

P.S. The 8 inch baffles in the drags will be coming out, and I will cut them down to 3-4 inches, 8 inches of baffle is restricting the bike too much.

~Joe
 
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Old Aug 11, 2008 | 11:02 AM
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This part of the build can be frustrating but hang in there,stepping away is always a good thing.Bouncy? maybe too heavy fork fluid.Ignition. Have fun! Clutch! that is just an adjustment issue.Start from the begginning on that one,at the derby cover,then the cable adjuster.Good Luck. Dog
 
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Old Aug 11, 2008 | 08:37 PM
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Default Check your cable

I had one where when I pulled in the clutch lever the cable was so packed with crap that it wouldn't let the clutch release all the way when I let go of the lever.
 
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Old Aug 13, 2008 | 08:58 AM
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Joe you can order thicker springs for the seat as well, that will assist taking the pogo out from under your ***... there may be something to the whole thinner fork oil idea, but being that your running a springer... not an issue... i would play with some diff seat springs, do you feel the bounce out of the front or under you (whole bike) it is a narrow rear hard tail it is going to bounce a bit, you can take a bit of air out of your rear tire as well, on a hard tail it will amaze you how much that will help! ... What year is that motor? points? go back run though a clutch adjustment and make sure you have the right amount of fluid in there as well, sometimes that will affect how the clutch disengages... man your in the home stretch... keep hammering it out!
 

Last edited by JRK5892; Aug 13, 2008 at 09:03 AM.
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Old Aug 13, 2008 | 09:05 AM
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ooh ya! if your clutch does not adjust, check your torque settings from the center bolt when you replaced the basket! Fluid is clean and good so save that and just replace it back in after your done checking it... does look good!
 
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Old Aug 13, 2008 | 09:55 PM
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Got a friend to help me, and we got it together to where it works......a mix-match of parts from different years. had to do a little modifying, but it works GREAT!

The carb just needs some help. I'll play with it a little more, but if I can't figure it out, then I'll swap it for a rebuilt one.

runs good otherwise. Thanks for the positive comments, guys.

P.S. once the carb work is ironed out, I will clean it all up and take a bunch of completed pics, and load up my album on here. Soooo nice to see the end in sight!

~Joe
 
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Old Aug 14, 2008 | 12:14 PM
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JOe is it a Mikuni carb? if so there is a step by step on tuning online... i have used it on several projects... really helps!
http://www.mikuni.com/fs-tuning_guide.html
 
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Old Aug 14, 2008 | 09:33 PM
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Joe,

It's the CV made by Keihin.

I'm looking at getting a custom built CV from a guy on eBay that builds them with the guts all polished and customized.

Even with only 1/2 of the throttle usable right now, the little thing REALLY scoots!

~Joe
 
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Old Aug 18, 2008 | 04:24 PM
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all the old honda Cb's i have worked on have Keihin carbs! let me know if you need a hand with it! they are real easy... pretty close to a mikuni
 
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Old Aug 19, 2008 | 08:28 AM
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have you checked timing.......................... . . . . . . ............
 
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