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Buell Forum » Big, Bad & Dirty (Buell XB12X Ulysses Adventure Board) » Archive through October 10, 2016 » The old pile ain't what she used to be « Previous Next »

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Archive through August 17, 2016Natexlh100030 08-17-16  11:04 am
Archive through August 03, 2016Etennuly30 08-03-16  03:07 pm
         

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Hughlysses
Posted on Wednesday, August 17, 2016 - 11:13 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Vern- I've used brake fluid/water down the intake to de-carbon an engine top end before, and I used spray brake cleaner on intake ports on heads that were off the engine. I used the old chlorinated solvent type; not the new alcohol based stuff.
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Tootal
Posted on Wednesday, August 17, 2016 - 11:31 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The oil consumption may be just valve guide seals. You may not have to go too deep.

Agreed. My first action will be a compression test. If that's good then I will just do the top end. If compression is not so good in a single cylinder I'll do a leak down test to see if it's rings or valves.
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Etennuly
Posted on Wednesday, August 17, 2016 - 03:50 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Greg don't overlook the simple things. I have seen a little chunk of hard, really stuck piece of carbon, that had glued itself to a valve seat cause compression loss and a miss. I think it is worth the effort to take a look with a bore camera. Hugh's method could fix that in a half hour for a couple of bucks without a tear down.

I have also seen carbon stuck to the top of a piston curl up after sitting for a few days. It then caused a piston to knock against the head, where there was only .020 head clearance at the edge of a chamber.
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Steveford
Posted on Wednesday, August 17, 2016 - 07:03 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Tootal,
No oversize pistons available from H-D which is why I went with a cylinder/piston for the rear.
If I needed to do both cylinders I would have gone with a 1250 kit.
I got all of the crud out by immersing the heads in kerosene for a few days, scraping big chunks away and then immersing in Gunk Hydroseal for another few days with a daily chipping away at the mess.
I even thought "hey, paint stripper is pretty vile stuff, let me slob a puddle of that in there" but I might as well used spit, it didn't do anything.
I could have made a small sized snowball out of all of the crud in there.

(Message edited by SteveFord on August 17, 2016)
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Tootal
Posted on Wednesday, August 17, 2016 - 10:44 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

If I do decide to tear into it after a Colorado trip in September I will keep those thoughts n mind. If I do decide to change the pistons I will use Wiseco pistons and have the cylinders honed by my local engine builder. I built his torque plates so he can do one setup for both cylinders. My Harley cylinders were within .0002" in all directions. He's an anal bastard too! It's running well still so we will play it by ear, I just don't like constantly feeding it oil all the time. I will say, since I changed to Diesel oil it seems to have slowed down.
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Phelan
Posted on Wednesday, August 17, 2016 - 11:22 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I don't like stock cylinders because I've seen way too many separate the liner from the aluminum and leave a nasty and ridge at the gasket face. The 1250 kit cylinders are designed much better and do not separate as they have about 10 retention lips in them the way they are cast, some spots of the iron liner as much as 5/16" thick.
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Falloutnl
Posted on Thursday, August 18, 2016 - 05:14 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I have 1250 cylinders on my X1. Feels fast as hell too.
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Steveford
Posted on Saturday, October 08, 2016 - 02:05 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

SKF wheel bearings for the rear finally showed up so I'm around another 200 miles into the break in.
So far, so good aside from a lumpy idle.
It's been so long since I've really ridden it I forgot about the limited front fork lock (before you bump into the fork stop) and nearly toppled over in a heap last night during a parking lot maneuver!
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Sagehawk
Posted on Sunday, October 09, 2016 - 10:47 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Steveford: only 2 times my uly has been on the ground is due to low speed lefthanded that gravity took over. Totally sux as last one cost me a mirror and turn signal. I was pulling out from gas pump, turned left to exit pump alley and bitch in a ford explorer decided to cut me off. I hopped three times before I went down and weird thing, when said and done, I wasn't in left boot. Small tag on peg hung in pull up tag on boot and that's reason I couldn't get away from bike. Pissed me off so threw boots away when got home. I allready had double tied shoe laces get hung up on pegs before. Weird feeling when foot is tied off to peg. Hah!
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Steveford
Posted on Monday, October 10, 2016 - 07:10 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Yep, I hit the fork stop going left but kept it upright.
I did lose a boot to a bike once for a few moments: I stupidly left a disc lock on, let the clutch out and, of course, it instantly slammed me to the ground.
Luckily, my body cushioned the motorcycle and prevented any damage to it...
In the position I was in I couldn't get any leverage so I had to get my foot out of the boot so I could get out from under the mess.
I won't do that again!

(Message edited by SteveFord on October 10, 2016)
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Tootal
Posted on Monday, October 10, 2016 - 03:13 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

When I first got my 06 Uly I would hit the fork stop just leaving my driveway! When the 08 came out I bought the triple trees and put them on the 06. What a difference! Rarely hit the stops now, even off road.
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Sagehawk
Posted on Monday, October 10, 2016 - 09:57 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Tootal, I need to do the 08 tree thing on mine then.
Back to thread, has anyone came up with a number of what the stock squish clearance is on the 12 motor? I've wondered when top end time comes for mine, what I would be starting with.
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