Maintenance & Technical > KX500 Original

FLYWHEEL WEIGHT

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serafin:
A couple more questions concerning the flywheel weight.  Compared to the reed spacer is the performance the same?  I have the reed spacer and the only headache is that its a tight fit.  Has anyone used both mods together?  If so, what was the outcome?

Serafin

Danger4u2:
Yes,  I did the reed spacer, FMF Gnarley pipe, and the flywheel weight.  I'm after more low end and that's what it gave me.  My bike will still go faster than I want to go.  Just doesn't get there as quick.  Not a good comparison,  flywheel weight gives more mass to the flywheel and crank assembly therefore the RPM's don't spin up as fast.  Reed spacer puts the tips of the reeds back out of the turbulence of the air/fuel mix in the crank area before it goes into the combustion ports.  Thus giving it a little more low end power.  That's my lean on the spacer.  One of the racer guys might have a little more insight about it.

Polar-Bus:

--- Quote from: serafin on July 20, 2007, 04:16:38 AM ---A couple more questions concerning the flywheel weight.  Compared to the reed spacer is the performance the same?  I have the reed spacer and the only headache is that its a tight fit.  Has anyone used both mods together?  If so, what was the outcome?

Serafin

--- End quote ---

I have both mods done. With the spacer you effectively move the torque snap a bit higher in the torque curve. So you smooth out the bottom end hit, and also gain a broader midrange. The flywheel wieght also smooths out the torque down low and simply allows much more traction to be put to the dirt. These two mods make the 500 SO much easier to ride and far more versatile to ride over more technical terrain. If you ride in the mud, these mods are even more benificial. But also factor in all the guys' opinions who do a lot of sand riding, as they don't like weights.

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