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April 9th, 2014, 12:02 PM   #1
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I Ride: 08 Husaberg FE650, 92 Husaberg FC501, 1991 Honda CR500, 1982 Honda CR480
Lightened FE650 Flywheel

Anybody run a lightened flywheel on their 650. It made a difference on my CR500 and am thinking of trying it on my 650.
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April 9th, 2014, 12:19 PM   #2
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Try this thread!: Balancing an 80mm 650 crank

It's a great read. It's primarily about crank balancing for counterbalancer removal, but by necessity it touches upon weight removal - and has leads for further exploration.
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April 13th, 2014, 11:10 PM   #3
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Originally Posted by Big Berg View Post
Anybody run a lightened flywheel on their 650. It made a difference on my CR500 and am thinking of trying it on my 650.
I run a FC MX flywheel on my 650 FE for MX and it is more responsive and revs quicker.
Thanks from pollo
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April 14th, 2014, 06:34 AM   #4
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I Ride: 08 Husaberg FE650, 92 Husaberg FC501, 1991 Honda CR500, 1982 Honda CR480
Thanks for the info!

Do you think an even lighter flywheel would be of benefit?
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July 1st, 2017, 08:45 AM   #5
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I Ride: 08 Husaberg FE650, 92 Husaberg FC501, 1991 Honda CR500, 1982 Honda CR480
I have heard on here, Facebook, and other web page regarding running a lighter flywheel and its benefits. Since I want to retain the eStart/charging I have been diligently and with some struggle to find a nice used 04-08 flywheel in the price range I am willing to pay.

It appears I found one and will be doing the same lightening mods I did to my MSV Racing CR500 lightened flywheel which I love.

Once this happens I will run the OEM weight and vs lightened back to back on the same trail and give my thoughts.

I am trying to load a pic of the MSV Racing modded CR5 flywheel and Photobucket is acting up lol
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July 1st, 2017, 11:28 AM   #6
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We'll patiently look forward to your results by the year 2020. jk
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July 1st, 2017, 11:54 AM   #7
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I Ride: 08 Husaberg FE650, 92 Husaberg FC501, 1991 Honda CR500, 1982 Honda CR480
Originally Posted by logjump View Post
We'll patiently look forward to your results by the year 2020. jk
With my track record it makes sense
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July 4th, 2017, 08:31 AM   #8
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Alright, I have my new to me flywheel coming from Germany to Oregon USA. I will follow the MSV Racing CR500 template for modifying this flywheel. It looks fragile, but has withstood many high RPM pulls on N2O with on issues.

[IMG][/IMG]

Last edited by Big Berg; July 4th, 2017 at 08:34 AM.
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July 4th, 2017, 01:41 PM   #9
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Intersting. If it doesn't have the desired effect You can remove a huge amount of weight from the crank relatively easily
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July 4th, 2017, 09:50 PM   #10
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If it's anything like the other MSV Racing CR500 builds, it should be a rocket! MSV Racing is world famous for building CR500 motors!
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