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Old 05-15-2005, 08:31 AM   #21
TXsodbuster
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Default Re: Valve adjust on a Duc?

Found a decent deal on a new '04 ST3, and temptation will most likely overcome good sense. The ducatitech site scares me, but ducatisuite is very informative. I'm NOT Mr. Goodwrench. 500 miles on chain adjustment? Forget it. I do that much each day on my summer ride. My dealer tells me it'll be about $450 for the 6,000 mi. service. Maybe I'm just cheap (or lazy or demanding) but a daily rider shouldn't be this much work.
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Old 05-16-2005, 04:12 AM   #22
ruister
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Default Re: Valve adjust on a Duc?

If good sense had anything to do with it we would all be driving Honda Civics!
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Old 05-16-2005, 11:00 AM   #23
YellowDuck
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Default Re: Valve adjust on a Duc?

I'll confirm what someone else said - I have 23,000 miles on my SS and it has needed exactly one shim changed. No biggee. I only have experience with the air cooled models, but I doubt the ST3 is a whole lot different.



Checking the valves is dead simple. Adjusting openers is easy enough, but closers are a little trickier. Still easier than pulling cams to do shims under buckets though! And the 6000-mile interval is on the conservative side, given that they have now gone to harder valve seats.



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Old 05-16-2005, 12:36 PM   #24
Vlad
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Default Re: Valve adjust on a Duc?

The EFM is set by the factory for when the valves are in adjustment. So "adjusting" your valves should merely put you back to where you should have been all along. In other words, no, you don't need to recalibrate.



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Old 05-16-2005, 01:45 PM   #25
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Default Re: Valve adjust on a Duc?

What kind of SS do you have? I've always wanted one.
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Old 05-16-2005, 05:42 PM   #26
danphoto
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Default Re: Valve adjust on a Duc?

>Can't speak from experience, but machines are machines. Check this link:



>http://www.sportrider.com/tech/146_9504_hand/



Just one problem on this page. The writer states, "Valves tend to sink into their seats as the motor wears in, so the clearance should get looser." This is not correct. As valves sink into their seats, the clearance between stem and rocker (or bucket and cam) decreases and makes the valves tighten.



Hope this helps someone.



Dan
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Old 05-17-2005, 07:20 AM   #27
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Default Re: Valve adjust on a Duc?

I saw that comment too, but it may be that the CLOSING rocker clearance (desmo actuation) does get looser.
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Old 05-17-2005, 10:21 AM   #28
hooter13
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Default Re: Valve adjust on a Duc?

The people at the dealerships will say the valves are due at 10,000. Ask him 10,000 what? the answer is 10,000 km or 6000 miles. My 600 mile check up in my 05 st3 cost me $250.00. I am expecting a $350.00 + for the 6000 mile tune up because they will replace the cam belts at that time. I will try to do most of the work myself after the warrenty is off.
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