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  #11  
Old 28-Mar-2005, 23:34
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sparkin sparkin is offline
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Big Twin
 
Posts: 1,734
Join Date: Jun 2003
Mood: This is a carbon free zone!
888, 24000miles,oil change every 3000miles,all rockers perfect
Apparently the T8 doesn`t overly seem to suffer from rocker wear,don`t ask me why,but they just don`t.
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  #12  
Old 28-Mar-2005, 23:44
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rcgbob44 rcgbob44 is offline
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Bikes: 998s, Jota, KTM 690 Duke
 
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Join Date: May 2003
Mood: My Jota goes rumpety rump! & I have my wife exactly where she wants me!
Good oil is very cheap compared to rockers!
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  #13  
Old 29-Mar-2005, 00:10
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Nigel C Nigel C is offline
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Posts: 1,710
Join Date: Aug 2002
Mood: happy bike passed MOT
serves me right for looking

I will never look at a thread on this subject again it's making me paranoid
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  #14  
Old 29-Mar-2005, 00:20
Mr_S Mr_S is offline
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Another thing is knowing the bikes history from new, how it's been treated, serviced etc.

I've only had mine since 12K (13 months) Some are lucky enough to own from new so have a bette idea of how they're treated, and also what effects oil / starting process etc has on rocker wear.

I believe the problem rose with rocker wear around '97 when there was a take over and the plating was outsourced for the first time.

It's also believed to be worse in 748's due to the revvier nature of the engine (or in Dibble's bike, just because..)
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  #15  
Old 29-Mar-2005, 01:15
Rip Rip is offline
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Posts: 32
Join Date: Feb 2002
Mood: Mellow
'99 748 bip, 3yrs old at the time. Replaced 2 openers at 9k miles. Always used FS 15w50 new every 2k or so, so that helped. A few more had a good bit of greying on them.
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  #16  
Old 29-Mar-2005, 01:18
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BDG BDG is offline
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Ducati Corse
 
Posts: 3,893
Join Date: Sep 2003
Mood: Daft as MartinH after too much Smirnoff Ice
ST4 7000 miles, no rockers replaced

ST4s 19,000 miles, no rockers replaced

996 SPS 2 rockers changed at 10,500 miles.

Bikes ran on Shell Advance 15/50, changed at 3000 miles, bikes warmed up sensibly, although i didn't own the SPS from new so can't comment on the first part of its life.

[Edited on 28-3-2005 by BDG]
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  #17  
Old 29-Mar-2005, 01:35
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TP TP is offline
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MotoGP God
 
Posts: 15,644
Join Date: Apr 2004
Mood: 749 racebike MGP
W reg 996, 8 rockers replaced and one cam lobe polished!

Youch!



T'is with Nelly right now so hopefully won't need anymore ...

[Edited on 28-3-2005 by TP]
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  #18  
Old 29-Mar-2005, 03:28
Martin Dower Martin Dower is offline
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Bikes: 1098s Tric
 
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Join Date: Apr 2004
Mood: Tricolore :)
Yup. Had 2 changed at 18k miles, been worn for a while by all accounts. 1998 748.
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  #19  
Old 29-Mar-2005, 10:19
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keith_mann1959 keith_mann1959 is offline
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Mille
Bikes: ST4S
 
Posts: 364
Join Date: Dec 2002
Mood: Finally gotten over the 748R getting stolen thing. Actually, no i haven't !
'52 748R from new, no rockers at recent 2 year service at JHP.
Motul 300 v at 1000 mile intervals. but just moved to Amsoil which i will change at 3000 mile ntervals. Always warm up for min' 90 seconds.
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  #20  
Old 29-Mar-2005, 14:30
Old Yella Old Yella is offline
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Bikes: Kawasaki ZX10r D6f, Dawes XC2.4, Planet X Superlight Pro Carbon
 
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Mood: aving a laff
'00 996 got it at 1400 miles old, oil changed every 2500 miles, none required in 15000 miles of ownership.

'02 998 is now 7000 miles old and has never needed any, oil every 2500 miles.

'9? 748SP track bike, history not known, checked at Nellys and needed one immediately and three others will need to be replaced at next big service as they are bruised.

Always run Shell Advance 15/50 in the 996 and 998 but am using Motul 300V fully-synth 15/50 in the 748 as it was the only one in the local bike shop with 15/50 rating.
Just changing it at the moment as I am trying to cure an oil leak but hope to do it after every two trackdays anyway.

Never rev the bike too hard until the dial started to move on the temp guage though, pedantic but its seen me well with the 996 and 998.
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