1000DS closer shim adjustment

WetDuc · March 22, 2012, 03:21:17 AM

Hey guys,
My bike is in my townhouse (very popular with the wife right now) and I've got everything broken down in the middle of my valve adjustment. All of my valves seem out:
V,intake:opener 0.0025", closer 0.004"
V,exhaust: opener 0.004", closer 0.0025"
H,intake: opener 0.0025", closer 0.003"
H,exhaust: opener 0.0025", closer 0.0025"
On my '07 S2R1000, I can't seem to find a happy spot rotating the cam that will allow me to move both opener rocker arms aside, for either cylinder. Therefore, I can't figure out a way to rotate the cam 360* to check the new closers for binding.
Is there a helpful hint someone can throw me so that I can adjust my closers?
Thanks.

He Man · March 22, 2012, 03:42:52 AM

you cant slide both arms over. only one at a time.

some people remove the rocker arms completely.

if there is binding, youll notice it immediately binding for the side you are working on, AFAIK, you can only check both sides individually if you leave the rockers in.

WetDuc · March 22, 2012, 04:01:23 AM

If I don't have to remove the rocker arms, that would be preferable.
How can I check for binding if I can't spin the cam 360*? Will I feel the binding in the roughly 45* that I can spin the cam near its TDC?
I was thinking to take a closer off on one side, lower the piston to allow enough room so the opener rocker can go thru its motion without contacting the valve stem, then check the other closer for binding...maybe?
I'm a bit confused, but there has GOT to be a way to do this properly on the DS.
For me, the DS is much more difficult to work on than the 620's, 695 and 696 I have wrenched on.

He Man · March 22, 2012, 03:23:57 PM

yea its a bit different, and a little more annoying to do. which reminds me i have to do mine. I skipped the 26,000 mile service. I'm at 31000 right now

Smokescreen · March 22, 2012, 04:24:06 PM

Okay, per the LT Snyder bible of desmoduo things, these are the recommended clearances.

INTAKE
Opener (.0019-.0047") LT SETTINGS .004"
Closer (.001-.0078") <.002"

EXHAUST
Opener (.0019-.0059") .004"
Closer (.001-.0078") <.002"

I only listed standard, not metric because you posted in standard...
So your intake closers are a little sloppy by these standards, and your exhaust closers are only just on the sloppy side of spec.

If this is true, your motor should spin without binding, and you could give it a turn and recheck your measurements. You shouldn't have to worry about binding if this is the case.

WetDuc · March 22, 2012, 07:07:16 PM

I'm sorry, I may have been unclear. These are my old shim measurements after 8600 miles before removing any shims, my shims are removed now and I want to fit my new closers. No binding issues. I just want to make sure each closer is good individually so I wanted to spin the cams 360*. It seems on the DS, it's a bit different than on the smaller 2V's because both opener rockers don't allow both to move over therefore the 360* spin can't happen. OK. Sleep now. Conquer tomorrow.

Smokescreen · March 22, 2012, 07:24:33 PM

I like your style! Conquer tomorrow for sure! I'll have to do that same!

brad black · March 23, 2012, 03:14:14 AM

the ds will bind at the ends of the closing lobe base circle, they always have a touch of clearance in the middle of the base circle.

i always remove the opening rockers myself.

WetDuc · March 23, 2012, 05:01:25 AM

I have not removed the rockers. I hope I don't have to this time.
I have the vertical closers off and the horizontal intake, but trying to get that horizontal exhaust closer is a real pregnant dog!

Dang bike almost fell off the stand this morning due to the pressure I had to apply to depress the closer rocker. Wife had to come run out of the bathroom save me as I'm sitting there on the floor with the duc in my lap and my dog staring at me like I'm an idiot. $:-\$

Is there a way I can jam the closer rocker arm depressed so I can work? I read on this forum about a wooden block wedge...I just can't figure out how it fits in there to hold it. Got plenty of wood. ~4" x 1/3" so I will cut one up today and give it a shot.

Thanks for the help so far, ya'll.
Is it feasible for me to just pull the heads next time and work on the valves on my table?

This is some trippy adventure...

He Man · March 23, 2012, 08:26:52 AM

you can slide a thick piece of metal like a 8mm allen key in between the cams to jam it so the spring can push it up. you would be pressing the closing rocker arm down, then sliding the key below it through to the other side. theres only 1 way to do it and you cant mess up your bike, so if you start sliding a key into the cams and it wont go try a different route, the open one will lock the cam in place. just do go suddenly drop the closing rocker arm or youll be slapping the cam lobe against the allen key.

Another thing to note is that you should be using either a closing rocker arm depressor or a brass punch with a large 1/2inch face to push the closing rocker arm down. a screw diver is dangerous since you can slip and punch the head by accident.

I guess i probably should of made that tutorial back last year when i was in there. well im doing a valve adjustment in about 2 weeks if you can wait. $:-\$ probably not though.

WetDuc · March 23, 2012, 01:48:58 PM

Thanks for the description, I will try that tonight.
I bought a Kawasaki shim for $3 and it does fit inside the closer. Can someone confirm that the Kawasaki shims do fit correctly in the Ducati 7mm closer shims to do measurements?

WetDuc · March 23, 2012, 02:15:50 PM

Checking with the Kawasaki shim as a measuring tool does not seem to work. Maybe this used to work on the 8mm Ducati closers but it seems like it does not fully seat in the 7mm closers.

He Man · March 23, 2012, 02:37:53 PM

Quote from: WetDuc on March 23, 2012, 02:15:50 PM
Checking with the Kawasaki shim as a measuring tool does not seem to work. Maybe this used to work on the 8mm Ducati closers but it seems like it does not fully seat in the 7mm closers.

that. 7mm vs 8mm.

buy the EMS shim.

WetDuc · March 23, 2012, 02:57:28 PM

I will order the measuring tool, just sucks I didn't do it earlier before I started.
I'll update regarding the 8mm allen rocker blocker attempt.
Thanks

WetDuc · March 23, 2012, 05:53:35 PM

I ordered the tool and now I will sit here like a tool until it arrives.
To anyone reading this who is going to do your own valves, buy the closer measurement tool before you start...
I saw the closer arm depressor tool and I think I see exactly what you mean, He Man, when I look at my bike. I think I see the spot to put the wedge in.
I also got the LT Snyder manual. I wana see what all the whoopla is about.

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1000DS closer shim adjustment