Posts
1306
Joined
3/28/2013
Location
Bullard, TX
US
Fantasy
3858th
Edited Date/Time
7/23/2018 7:36am
Anyone ever lightened a flywheel on a modern 250f? If so, how much and what difference did it make?
Paw Paw
IMO I would think this would be a problem. I have done this on auto engines with success, but those flywheels weigh several lbs, unlike the MX flywheel.
Just how do you plan on reducing the weight of an MX flywheel? Remember that it consist of a small dia. aluminum mass with magnets molded it to it.
Paw Paw
The Shop
As far as where the weight is removed, it was off the back side of the flywheel on the outer edge, and not much at all yet made a huge difference. You really had to know what you were looking at to spot the difference.
http://www.botlanta.org/converters/dale-calc/flywheel.html
As for enlarging the holes vs. lathe turning it, mine was turned on a lathe, and the material was removed from the outer edge closest to the crank.
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