Author Topic: Engine lock?  (Read 1662 times)

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  • Offline ahdoman   us

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    Offline ahdoman

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    Engine lock?
    on: December 01, 2021, 03:30:07 am
    December 01, 2021, 03:30:07 am
    I need to lock the engine to do some service work (clutch replace, remove front sprocket). Is there a bolt on the case that will lock the engine at TDC?

  • Offline Paul_Smith   ie

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    Offline Paul_Smith

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    Re: Engine lock?
    Reply #1 on: December 01, 2021, 08:57:26 pm
    December 01, 2021, 08:57:26 pm
    No. I can't think of any modern engine that would have such a thing. If you are going to work on the Ducati's internals, you should probably invest in a workshop manual first.

  • Offline Lambert   gb

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    Offline Lambert

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    Re: Engine lock?
    Reply #2 on: December 01, 2021, 09:20:25 pm
    December 01, 2021, 09:20:25 pm
    Only option similar to what you want would be a camshaft locking tool. Locks the camshafts when doing a belt change.

  • Offline ahdoman   us

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    Offline ahdoman

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    Re: Engine lock?
    Reply #3 on: December 02, 2021, 12:02:50 am
    December 02, 2021, 12:02:50 am
    *Originally Posted by Paul_Smith [+]
    No. I can't think of any modern engine that would have such a thing. If you are going to work on the Ducati's internals, you should probably invest in a workshop manual first.
    Actually there's a couple of modern bikes that I've worked on that have an insert point to lock the crank. There's usually a bolt with a spacer on it, you remove the bolt, take the spacer out, put the bolt back in and as long as the crank is at TDC it will lock the crank.

  • Offline lather   us

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    Offline lather

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    Re: Engine lock?
    Reply #4 on: December 02, 2021, 04:02:38 pm
    December 02, 2021, 04:02:38 pm
    Get a large friend to sit on the bike with it in gear and stand on the brake pedal.
    When I changed my front sprocket I put a  locked the rear wheel with a board between the swing arm and the wheel spokes.
    We're lost but we're making great time!

  • Offline Conman   gb

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    Offline Conman

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    Re: Engine lock?
    Reply #5 on: December 16, 2021, 08:51:13 am
    December 16, 2021, 08:51:13 am
    I've found standing on the rear brake pedal is enough to stop the chain rotating while the front sprocket is taken off. I can do it on my own but I need a long extension on the socket. I'm sure there's a picture of it somewhere on here.
    Don't know about the clutch though. I thought they lasted forever.
    Anything more than two wheels is unnecessary.

  • Offline KillerRooster   au

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    Offline KillerRooster

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    Re: Engine lock?
    Reply #6 on: December 16, 2021, 08:20:39 pm
    December 16, 2021, 08:20:39 pm
    Won't the old trick of jamming a large screwdriver between the chain and back sprocket do the job? Remove the chain only after you loosen the front sprocket. I've always used that method with success on my previous bike's. Clutches too. Alternatively, put it in 1st.

     



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