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Uh....who me?
Join Date: Jan 2000
Location: North Georgia
Posts: 8,792
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OT - Ducati sprocket/Roger/Jony
Changing the rear tire of my 900SS/SP FE at 10,600 miles and noticed wear on the sprocket. I have a replacement but not sure if I NEED to do it at this time. Worn sprocket is Cycle Specialties billet, and has about 9,000 miles on it. I expect the tire I'm putting on the bike to last the nominal 2,500 miles. Replace or not? If it will last another tire rotation, will it affect chain wear? Obviously, I'd rather not replace it now, but if you guys think I should I'll go with your experience. Pics attached with old and new.
 
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Bob Hancock '20 KTM1090 SuperAdventure S, '17 KTM 690er, '19 BMW F850GS, 2006 KTM 660R Dakar, 2001 Porsche Boxster S "There are times when good words are to be left unsaid out of esteem for silence." St. Benedict |
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06-14-2007, 02:50 PM
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Living on borrowed time!
Join Date: Dec 2003
Location: Tacoma, WA, USA
Posts: 7,018
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Hey Bob;
My opinion,, FWIW, is that should lst another 2500 miles, but they DO wear more rapidly as they approach the end of useful life. also depends on how hard you flog it... sold my DUC, BTW, got 4K for it and it went to a very appreciative afficinadiao of ducatis, so I feel good about it not going to some stunta punnk.
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Better a has-been than a wanna-be 'I am John Andrew Moffett of the Clan Moffat and by god I live, love, seek, fail, grieve and die as I so choose and I call no man master save me'. |
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06-14-2007, 03:00 PM
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Moderator
Join Date: Aug 1999
Location: Austin, TX. USA
Posts: 11,605
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If you were putting a 5-10kmile touring tire on, I'd say change it now.
That one's not horribly worn, so another 2500 miles and then swapping at the next tire change should be fine. Yes, it will cause a tiny bit of extra chain wear, but not much with an Al sprocket on a ferrous chain. No worries. > but they DO wear more rapidly > as they approach the end of useful life. > also depends on how hard you flog it... Ditto that, so check it at half tire life or so to be sure, but if it's kept clean and lubed, you'll have no issue.
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06-14-2007, 06:38 PM
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Uh....who me?
Join Date: Jan 2000
Location: North Georgia
Posts: 8,792
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Thanks guys....was hoping you'd say that.
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Bob Hancock '20 KTM1090 SuperAdventure S, '17 KTM 690er, '19 BMW F850GS, 2006 KTM 660R Dakar, 2001 Porsche Boxster S "There are times when good words are to be left unsaid out of esteem for silence." St. Benedict |
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06-14-2007, 06:57 PM
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Registered User
Join Date: Aug 2004
Location: Nipomo, CA
Posts: 930
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You are supposed to change your chain when you change your sprockets anyway so unless you have a super chain I wouldn't worry about extra chain wear.
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06-15-2007, 02:50 AM
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