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Thread: Ducati ST belt replacement

  1. #1
    Join Date
    21st January 2009 - 21:18
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    1991 BMW K100RS
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    Dunedin
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    Ducati ST belt replacement

    Hi there,
    Can anyone give me the reason to replace ST series timing belts at such short intervals ie 20k?
    GL1500 Honda is 90k MILES, STHonda the same - and most tin tops recommend the 100K mark also.
    Is it because belts are just poor quality?
    Cheers
    Twistit

  2. #2
    Join Date
    28th January 2015 - 16:17
    Bike
    2000 Ducati ST2
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    Lower Hutt
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    1,274
    Been asked on this forum a few times before. Small radius pulleys and not exactly smooth loads through the belts since they're each driving only one set of valves. Ducati were presumably trying to get failures down to fractions of a percent or less and that's on the far left of the reliability vs mileage bell curve. The 20K interval is pretty much standard for all Ducatis using belts.

    It's a pain. Unfortunately Ducati's engine architecture was derived from racetrack not highway. Light weight and performance instead of mega miles... kind of a problem in a sports tourer.

    I take it you're up for a belt change, are you DIY'ing or looking at paying a mechanic?

  3. #3
    Join Date
    9th May 2008 - 21:23
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    What the chap above me said.

    Ducati ST is a neat bike, guess you're looking at buying one? Unless you're friendly with a Ducati mechanic or have deep pockets, I'd go with a less high maintenance ride, IYKWIM.

  4. #4
    Join Date
    8th January 2005 - 15:05
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    Ducati used to recommend the belts be changed even if the bike wasn't used. The belts could develop a 'set' they said.

    More recent Ducati have longer service periods for the belts but I'd still do whatever the manual said for the ST. The consequences of a belt letting go don't bear thinking about.
    There is a grey blur, and a green blur. I try to stay on the grey one. - Joey Dunlop

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