Thread: M900 Starter Q
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Old 15-09-2019, 02:45 PM   #2
utopia
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Join Date: Jun 2010
Location: leicester
Bike: M750
Posts: 4,545
That sounds to me like the starter sprag is failing.
It a kind of centrifugal clutch which engages the starter to the engine when the starter spins up.
I can't speak from personal experience as mine has always been fine but your symptoms point in that direction.
I believe its quite a common fault on older Ducatis.
I have no idea why it should only happen when the bike is cold though.
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