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Old 01-22-2009, 08:14 AM   #1
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Default MBX5 Prospec flywheel worn/smooth, wearing starter box wheel

My MBX5 Prospec has a worn flywheel. My starter box has trouble gripping it and I've quickly worn a groove into the starter box wheel. Add a little fuel spillage on a typical day and it won't even turn the engine over once. It's basically become a real pain to start and a pit guy volunteer is going to have an even harder time than I do.

I've considered taking my Dremel to the flywheel and lightly "re-grooving" it so that it doesn't look like a worn out U.S. quarter.

If I need to replace the flywheel, what are my options? I know I can use a Mugen replacement, but I also heard I can use an Ofna one. Are there any aftermarket flywheels?

Any other suggestions?

Thanks!
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Old 01-22-2009, 08:23 AM   #2
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I have done the dremal trick to two of my losi flywheels with good success.
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Old 01-22-2009, 08:26 AM   #3
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There are many other flywheels that will fit. The key is making sure to get the same size as your stocker.

You also have the option of running a complete aftermarket clutch setup as well that includes a flywheel and shoes..etc...

Fioroni adjustable setup:

http://www.amainhobbies.com/product_...oducts_id/7941

Fioroni "turbo sliding clutch":

http://www.amainhobbies.com/product_...ducts_id/13236

Stock mbx5 flywheel:

http://www.amainhobbies.com/product_...oducts_id/1851
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Old 01-22-2009, 10:01 AM   #4
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Less than five minutes with a dremel or a file and you will be back in business with no money spent.

Are you sure it's lined up perfectly on the starterbox? Just a hair off will cause big problems and hard starting.
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