Sprag clutch needed - MVAgusta.net
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post #1 of 19 (permalink) Old 03-14-2019, 11:38 PM Thread Starter
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Question Sprag clutch needed

Hi,

My 2015 Stradale was difficult to start yesterday and won't start today all pointing to the sprag. New battery and even in series with other good batteries it won't start. It spins quickly just but just not happening; I have tried the clutch in a bit (switch) and still no so, armed with info I have from this excellent forum I called the dealer who is waiting for recall parts anyway.

The sprag clutch is out of stock with MV and therefore we don't know when there will stock; 2 days, 2 weeks, 2 months (2years?!?!?!).

I use the bike for teaching so it's essentially a tool (a fancy one) for a job and I am stuck. I'm partly thinking that I should buy another bike (FFS!) to continue my work and sell this one once it's fixed but it could be the only problem ever with the bike which is ideal for the tasks I need it for.

Does anyone have access to the parts so that I can trailer my bike to the dealers (2 1/2 hours away) with the parts for them to fix?

Can you hear the desperation from the other side of the planet (for most of you)?

Any help, thoughts or contacts welcome.

2015 Stradale
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post #2 of 19 (permalink) Old 03-15-2019, 05:32 AM
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I purchased the sprag unit from Evolutionbike around 6months ago. Still have it standing by incase the one in my Dragster fails.
I would check with Evolution first as they always seem to get parts quicker than dealers....at least in my experience.
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post #3 of 19 (permalink) Old 03-15-2019, 06:46 AM
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Quote:
Originally Posted by Manic View Post
Hi,

My 2015 Stradale was difficult to start yesterday and won't start today all pointing to the sprag. New battery and even in series with other good batteries it won't start. It spins quickly just but just not happening; I have tried the clutch in a bit (switch) and still no so, armed with info I have from this excellent forum I called the dealer who is waiting for recall parts anyway.

What spins quickly? What is not happening?

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post #4 of 19 (permalink) Old 03-15-2019, 09:15 AM
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MV have a new and improved sprag. Are they in stock? Who knows but check with startwin and evolution bike.

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post #5 of 19 (permalink) Old 03-15-2019, 12:05 PM
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I'm also in need of a new one but for a 2014 Brutale b3.

I contacted bike parts mv but they ran out. Might be another 3-4 weeks till they get new stocks.

Anyone have any ideas where to source the sprag?


-------------------------------


Incase this helps anyone - i emailed [email protected] to ask for the latest part number and they said 8000C4242 is the latest part# (As of march 2019)
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post #6 of 19 (permalink) Old 03-15-2019, 04:25 PM
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Quote:
Originally Posted by Manic View Post
Hi,

My 2015 Stradale was difficult to start yesterday and won't start today all pointing to the sprag. New battery and even in series with other good batteries it won't start. It spins quickly just but just not happening; I have tried the clutch in a bit (switch) and still no so, armed with info I have from this excellent forum I called the dealer who is waiting for recall parts anyway.

The sprag clutch is out of stock with MV and therefore we don't know when there will stock; 2 days, 2 weeks, 2 months (2years?!?!?!).

I use the bike for teaching so it's essentially a tool (a fancy one) for a job and I am stuck. I'm partly thinking that I should buy another bike (FFS!) to continue my work and sell this one once it's fixed but it could be the only problem ever with the bike which is ideal for the tasks I need it for.

Does anyone have access to the parts so that I can trailer my bike to the dealers (2 1/2 hours away) with the parts for them to fix?

Can you hear the desperation from the other side of the planet (for most of you)?

Any help, thoughts or contacts welcome.

Are you sure it's the sprag.You said the motor is spinning.Doesn't that mean the sprag is engaging and doing it's job?
When the sprag fails you would hear a metallic clunking/grinding noise.Is that happening?
You may have a different problem why it won't start.


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post #7 of 19 (permalink) Old 03-15-2019, 09:10 PM
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I think what he's describing is also the same with me. The starter motor juts keeps on spinning but the sprag clutch is not engaging

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post #8 of 19 (permalink) Old 03-15-2019, 09:43 PM
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Originally Posted by MV-Aug8 View Post
I think what he's describing is also the same with me. The starter motor juts keeps on spinning but the sprag clutch is not engaging
OK,thanks for explaining that.


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post #9 of 19 (permalink) Old 03-15-2019, 11:23 PM Thread Starter
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Hi,

So the starter is working, the engine spins and there is a mechanical clunk (sounds horrible). The speed it's spinning would easily (usually) start her.

I started a few weeks ago but VERY intermittent but worsened.

Almost certainly Sprag.

Is the 'new one' different or just a replacement? What other parts are usually replaced with this?

Thanks for the help guys.

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post #10 of 19 (permalink) Old 03-15-2019, 11:50 PM
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Now itís clear,typical sprag failure.
Why donít you see if Ďjhollisí will sell you his?


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