34nineteen
Well-known member
You probably already colored in all of the pages. You jerk!
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New Buell for me.
- Thread starter 34nineteen
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You probably already colored in all of the pages. You jerk!
RidetheLightning
Well-known member
Wow thanks for posting this. I'm always uneasy about valvetrain noise since I've never had a good reference for what a knock sounds like. I think I'm good now....
34nineteen
Well-known member
Use the video posted here. I was able to get the bike to idle after replacing that hose. I probably need to clean the spark plugs again after cleaning the gunk out of the TB.
https://www.buellxb.com/forum/showthread.php?56531-New-Buell-for-me&p=624959&viewfull=1#post624959
https://www.buellxb.com/forum/showthread.php?56531-New-Buell-for-me&p=624959&viewfull=1#post624959
Cooter
Well-known member
njloco
Well-known member
You do know what color the coils are supposed to be, right ?
34nineteen
Well-known member
The motor is probably going to be out of my XB tomorrow night. Really all that is left is the 2 isolator bolts and I’m just going to drop the motor using my floor motorcycle jack and lift the fuel tank/frame/fork/front wheel off over the top.
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njloco
Well-known member
Unless there are pictures, It never happened !
34nineteen
Well-known member
Ok, everyone... let hear your guesses to what’s actually going on with my engine. The big reveal is going to be tomorrow with pics and all. What do you think the noise is?
Mike lowery - crank
Njloco - bad lifter
Me - crank
Cooter - crank
Barrett- piston slap
Mike lowery - crank
Njloco - bad lifter
Me - crank
Cooter - crank
Barrett- piston slap
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njloco
Well-known member
Wouldn't the crank be more of a thumping sound ?
34nineteen
Well-known member
I kind of thought that too, but the noise seems to disappear for a second when you rev the motor. Usually piston slap gets worse as you rev the motor.
I pulled the primary off a couple nights ago, and rotated the motor over with the spark plugs out. I rotate to the TDC so the rod is still pushing the piston upward then quickly rotate it backwards. If there is a sloppy wrist pin or especially lower bearing, you'll feel a clunk as the rod reverses its motion. I couldnt feel it this time, but my breaker bar had some slop in it, and since the motor was in the frame I had a hard time verifying I was at TDC. I think I was, but it was hard to tell.
What do you think is going on? Let’s see who has the keenest ear.
Shes peeking out from the bottom.
I actually grabbed the bike by the seat rails, lifted up and forward and rolled the frame forward away from the motor. Easy peasy. I'll probably make a stand this weekend to hold the frame upright and more securely.
I pulled the primary off a couple nights ago, and rotated the motor over with the spark plugs out. I rotate to the TDC so the rod is still pushing the piston upward then quickly rotate it backwards. If there is a sloppy wrist pin or especially lower bearing, you'll feel a clunk as the rod reverses its motion. I couldnt feel it this time, but my breaker bar had some slop in it, and since the motor was in the frame I had a hard time verifying I was at TDC. I think I was, but it was hard to tell.
What do you think is going on? Let’s see who has the keenest ear.
Shes peeking out from the bottom.
I actually grabbed the bike by the seat rails, lifted up and forward and rolled the frame forward away from the motor. Easy peasy. I'll probably make a stand this weekend to hold the frame upright and more securely.
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34nineteen
Well-known member
Last chance to vote on this party people.
Surprisingly the intake seals look good.
Surprisingly the intake seals look good.
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34nineteen
Well-known member
So, it looks like Barrett figured it out.
So, what probably happened is that the bike is likely still running the factory stock (lean) map. Now with the Jardine, its going to run leaner. Add on that the fuel pressure was probably falling off as the leak in the hose got worse and worse. It was likely barely able to provide enough pressure to run the fuel injection making it run even leaner. At some point, things just melted down. In fact I think the wrist pins were starting to seize as well.
This also happened. So, they probably spun in the small end.
So, what probably happened is that the bike is likely still running the factory stock (lean) map. Now with the Jardine, its going to run leaner. Add on that the fuel pressure was probably falling off as the leak in the hose got worse and worse. It was likely barely able to provide enough pressure to run the fuel injection making it run even leaner. At some point, things just melted down. In fact I think the wrist pins were starting to seize as well.
This also happened. So, they probably spun in the small end.
RidetheLightning
Well-known member
forgot to say my vote was "whatever barrett says"...
njloco
Well-known member
Well, I'm sorry to hear this but, now you can rebuild it better and f you get some beer, Cooter will come over and Install the coils for you.
34,
Well you just weren't using your head. Instead of mucking about with the old frapped out XB you could be roaring down the freeway on my(your) EBR 1190RX at 150mph enjoying the big double overhead cam sensation. Probably could have had mine for what it will cost you to get the XB up to spec.
Opto
Well you just weren't using your head. Instead of mucking about with the old frapped out XB you could be roaring down the freeway on my(your) EBR 1190RX at 150mph enjoying the big double overhead cam sensation. Probably could have had mine for what it will cost you to get the XB up to spec.
Opto
34nineteen
Well-known member
34nineteen
Well-known member
Are you looking for an XLCH or XLCX?
Well, 34, I am not familiar with the XLCX designation so lets go with the XLCH. The why is 'cause no electrical system to speak of, kick start, gravity fuel supply--primitive. Has a big appeal, and I am not in too much of a hurry these days.
My trips are more aimed towards camping and even fishing in some remote lake.
The kickstart on the XLCH might be a problem(kneesville) so am definitely interested in the XR1200--Barrett says they are the bomb.
Offering a twofer on the XR1200--my Uly and the EBR
Opto
My trips are more aimed towards camping and even fishing in some remote lake.
The kickstart on the XLCH might be a problem(kneesville) so am definitely interested in the XR1200--Barrett says they are the bomb.
Offering a twofer on the XR1200--my Uly and the EBR
Opto
34nineteen
Well-known member
An XLCH was an older model sports model from back in the ironhead days.
The 2016-up Sportster Roadster is an XL1200CX
Two completely different bikes.
The 2016-up Sportster Roadster is an XL1200CX
Two completely different bikes.
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