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  #41  
Old 13-Oct-2009, 10:13
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DSC Region Organiser skidlids skidlids is offline
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Quote:
Originally Posted by Imola Duke
You could take dimensions, fill the form in, and maybe explain the problem
within the race series with the piston issue.

http://www.jepistons.com/pdf/customp...-orderform.pdf

They may do us a good deal on a batch if enough are intrested and
it cut's out the middle man.


Neil at Cornerspeed an official Ducati service centre has already in contact with JE Pistons on our behalf as he uses them for Pistons for the 748 to 853 conversions.


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  #42  
Old 13-Oct-2009, 10:26
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Quote:
Originally Posted by skidlids
Neil at Cornerspeed an official Ducati service centre has already in contact with JE Pistons on our behalf as he uses them for Pistons for the 748 to 853 conversions.

hopefully they will produce the piston kits and list them on the site as a stock item like the 900ss 944ss,
But not HC

I bought a pair of 904cc hc pistons a few years ago when the pound was strong and got them for £150+ postage.
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  #43  
Old 13-Oct-2009, 11:40
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DSC Region Organiser skidlids skidlids is offline
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Quote:
Originally Posted by Imola Duke
hopefully they will produce the piston kits and list them on the site as a stock item like the 900ss 944ss,
But not HC

I bought a pair of 904cc hc pistons a few years ago when the pound was strong and got them for £150+ postage.


Hopefully that will be the case

as for buying Pistons

I had arrive yesterday a really good pair of 583 pistons and rings from a late (1999 - 2001) engine that I won on Ebay for 99p last week
Now to get the Class B bike built and get it running.

So far I have sold 583s to Andy Sheppard and Dallas, they seem to do OK on them. Andys was the earlier engine with 2:1 Primary and Dallas's the later engine with the 1.85 primary and Clutch Slave on the left. even my original Class B bike wasn't to bad netting me a few trophies


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  #44  
Old 13-Oct-2009, 12:04
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Imola Duke Imola Duke is offline
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Quote:
Originally Posted by skidlids
Hopefully that will be the case

as for buying Pistons

I had arrive yesterday a really good pair of 583 pistons and rings from a late (1999 - 2001) engine that I won on Ebay for 99p last week
Now to get the Class B bike built and get it running.

So far I have sold 583s to Andy Sheppard and Dallas, they seem to do OK on them. Andys was the earlier engine with 2:1 Primary and Dallas's the later engine with the 1.85 primary and Clutch Slave on the left. even my original Class B bike wasn't to bad netting me a few trophies

I was lucky last winter when i found a pair of pistons/rings and cylinders
which had only done 2k miles. (got them for £100 complete)
Phil's got my old pistons which had covered 25k road miles and a seasons racing
they measured well out of tolerance and were scored badly on the skirts.
But it still ran
Pity I didn't check the static ignition timing last winter as it's a mile out
(retarded) max retard on pickup mount/adjuster plate

no wonder every class B rider past me down the straights

Note to self...... check the timing you retard!
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  #45  
Old 13-Oct-2009, 12:42
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DSC Region Organiser skidlids skidlids is offline
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Quote:
Originally Posted by Imola Duke
IPity I didn't check the static ignition timing last winter as it's a mile out
(retarded) max retard on pickup mount/adjuster plate

no wonder every class B rider past me down the straights

Note to self...... check the timing you retard!

I was amazed to find out how far the as delivered Cam timing can be out from the recommeded settings when checked, so it doesn't suprise me the same can apply to the Ignition timing, may well be one of the issues with my 620, note that at Cadwell your bike Steve was one of the few that didn't pull a gap on me out of the slower corners.


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  #46  
Old 13-Oct-2009, 12:54
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Quote:
Originally Posted by skidlids
I was amazed to find out how far the as delivered Cam timing can be out from the recommeded settings when checked, so it doesn't suprise me the same can apply to the Ignition timing, may well be one of the issues with my 620, note that at Cadwell your bike Steve was one of the few that didn't pull a gap on me out of the slower corners.

Kev
I was amazed that the adjuster nuts are un touched and show no marks that
it's been adjusted.
Phil has a very good write up on his blog over on ducatisti all about cam timing etc and how to do it
My pulleys are unajustable but you can make offset woodruff keys according to Phil (Ghost)

I'm a little layed up at the mo after a op .........
But i will check the cam timing and let you know.
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  #47  
Old 13-Oct-2009, 18:59
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Quote:
Originally Posted by antonye
Quick question about the Maxxis tyres - are they willing to sign off their approval for use in both dry and wet conditions? It's not mentioned in the text posted, and if the question hasn't been asked then we can only assume that they are not safe, until proven otherwise?

This goes for any other tyres, not just Maxxis ones, btw.



Mmmm, no answer to that one yet then Antonye???


Chris
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  #48  
Old 13-Oct-2009, 19:28
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DSC Member ChrisBushell ChrisBushell is offline
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Originally Posted by chris.p
Mmmm, no answer to that one yet then Antonye???


Chris

Chris,

Discussions with tyre suppliers have started this week and at the moment we are gathering information, so that a balanced decision can be taken.

It is not expected that all of the necessary facts and information will be available till the middle of next month at the earliest, so people will have to be patient.

This is a complex area and has enourmous safety implications for riders, so of necessity something that is not to be rushed.

Chris
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  #49  
Old 13-Oct-2009, 20:09
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Originally Posted by ChrisBushell
Chris,

Discussions with tyre suppliers have started this week and at the moment we are gathering information, so that a balanced decision can be taken.

It is not expected that all of the necessary facts and information will be available till the middle of next month at the earliest, so people will have to be patient.

This is a complex area and has enourmous safety implications for riders, so of necessity something that is not to be rushed.

Chris


No problem there Chris, I was just wondering why there had been no answer to Antonyes post.



Chris
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  #50  
Old 14-Oct-2009, 02:07
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Quote:
Originally Posted by chris.p
Mmmm, no answer to that one yet then Antonye???


Chris


That's because there's not going to be an issue once the weight has been added to the bike
With a couple of suggestions for a minimum combined rider and Bike weight, I thought 400kg should reduce the risk of most tyres sliding about wet or dry.


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