Special Tools for B4 engine - MVAgusta.net
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post #1 of 52 (permalink) Old 11-13-2018, 08:32 PM Thread Starter
kbw
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Talking Special Tools for B4 engine

Hi,

Does anyone have the special flywheel or clutch tools that I could borrow/rent?

Flywheel locking tool: 8000B4304 or 8000B5340 (new version)
Flywheel extractor: 8000B4305. For the extractor, if anyone knows the thread size, I can try and source it from an aftermarket.

Clutch hub holder: 800079015

Would greatly appreciate it before throwing down a couple $$$ for single use. I'm located in Northern California and would obviously pay shipping + a thank you fee/rent.

Thanks!
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post #2 of 52 (permalink) Old 11-14-2018, 01:15 AM
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Quote:
Originally Posted by kbw View Post
Hi,

Does anyone have the special flywheel or clutch tools that I could borrow/rent?

Flywheel locking tool: 8000B4304 or 8000B5340 (new version)
Flywheel extractor: 8000B4305. For the extractor, if anyone knows the thread size, I can try and source it from an aftermarket.

Clutch hub holder: 800079015
Mmm MVs don't have flywheels......
So I don't know how'd you'd lock it or extract it
To remove the clutch hub nut;
Remove the pressure plate either 4 or 6 screws, leave the plates and discs in
flatten the lock washer
With the bike in neutral, using a leather glove on your left hand, fingers on the outside of the
basket, press with the side of your left thumb against the top friction plate and hit the nut
with a 32mm socket on an air impact wrench

Blip the nut is off.....
Grab the basket and pull the entire assembly off

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post #3 of 52 (permalink) Old 11-14-2018, 06:44 AM
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If you want a tool to hold the hub while you torque the nut, you could get one of these:

https://www.motionpro.com/product/08-0008

I have one in my tool box going on about 40 years now. Works for lots of other things to.
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post #4 of 52 (permalink) Old 11-14-2018, 11:26 AM
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I have the clutch tool shown.

Isnt the Sprague in the gear assembly in the hump at the starter?

2010 Brutale 990R - 1994 Elefant 900 - 2006 KTM 450EXC Street Legal
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post #5 of 52 (permalink) Old 11-14-2018, 12:13 PM Thread Starter
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Quote:
Originally Posted by theknurl View Post
Mmm MVs don't have flywheels......
So I don't know how'd you'd lock it or extract it
To remove the clutch hub nut;
Remove the pressure plate either 4 or 6 screws, leave the plates and discs in
flatten the lock washer
With the bike in neutral, using a leather glove on your left hand, fingers on the outside of the
basket, press with the side of your left thumb against the top friction plate and hit the nut
with a 32mm socket on an air impact wrench

Blip the nut is off.....
Grab the basket and pull the entire assembly off
Hi Noel,

Not sure if ppl typically call it by a different name, but I got that straight from the manual. See attached.
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post #6 of 52 (permalink) Old 11-14-2018, 12:15 PM Thread Starter
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Quote:
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I have the clutch tool shown.

Isnt the Sprague in the gear assembly in the hump at the starter?
Nice. Think I could borrow it?

Yes, the sprag clutch (flywheel?) is behind the alternator cover under the tank, next to the starter motor.
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post #7 of 52 (permalink) Old 11-14-2018, 12:16 PM Thread Starter
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Quote:
Originally Posted by esq'z me View Post
If you want a tool to hold the hub while you torque the nut, you could get one of these:

https://www.motionpro.com/product/08-0008

I have one in my tool box going on about 40 years now. Works for lots of other things to.
Thanks for sharing! Much cheaper than the MV tool haha
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post #8 of 52 (permalink) Old 11-14-2018, 05:26 PM
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Quote:
Originally Posted by kbw View Post
Quote:
Originally Posted by falcn View Post
I have the clutch tool shown.

Isnt the Sprague in the gear assembly in the hump at the starter?
Nice. Think I could borrow it?

Yes, the sprag clutch (flywheel?) is behind the alternator cover under the tank, next to the starter motor.
Certainly, you can borrow the clutch holding tool. I will make sure not to pack it. Is it easier if I leave it at home in Union City or is it easier if I take it to work in Mountain View?

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post #9 of 52 (permalink) Old 11-14-2018, 07:54 PM Thread Starter
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Certainly, you can borrow the clutch holding tool. I will make sure not to pack it. Is it easier if I leave it at home in Union City or is it easier if I take it to work in Mountain View?
Check your PMs
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post #10 of 52 (permalink) Old 11-15-2018, 02:24 PM
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Great to meet you last night. Keep me posted on your progress. When we're done moving and you still need help, I'm down.

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