Removing the Flywheel Weight
#1
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OK, so I noticed from pictures......as long as the pictures were accurate, and I saw correctly (the pictures weren't that great) that there appears to be quite a sizable flywheel weight. If that were removed that would give the bike alot of snap. Add a pumper carb and SHAZAAM! Yes, thats right, I said shazaam.
I wander if the 300 has this weight? Possible switch out the 250's wheel for the 300's?
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Ipad guides
I wander if the 300 has this weight? Possible switch out the 250's wheel for the 300's?
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Ipad guides
Last edited by JasonFMX; 03-29-2011 at 08:07 AM.
#2
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If you lighten the rotor it will spin up quicker but torque will suffer. (Torque, why 4 stroke s are good for dirt.)
What picture did you see?
What weight do you refer to?
What picture did you see?
What weight do you refer to?
#3
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Oh, I'm sure the MX 4 strokes have nice light flywheels.
I was just doing some searches somewhere, don't remember where it was....and there were photos of a 250S flywheel.
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Herbalaire
I was just doing some searches somewhere, don't remember where it was....and there were photos of a 250S flywheel.
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Herbalaire
Last edited by JasonFMX; 03-29-2011 at 08:07 AM.
#5
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I will later on down the road. Most likely during winter. Providing of course there is a weight on there, which I"m pretty sure there is. Its most likely not bolted on either, I'm sure its riveted or something. Thats alright. I'll just have it machined off.
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Creampie german
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Creampie german
Last edited by JasonFMX; 03-29-2011 at 08:07 AM.
#6
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A guy I work with has swapped the flywheel on his DRZ to a lighter aftermarket one. He was asking me if I had considered doing that to my klx. I haven't ever seen anything here on the board about that. I have been meaning to post up a thread asking if anyone has done it.
#7
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I know guys who've added larger weights to their flywheels. Better power delivery for enduro. Yamaha has various bolt on weights for its YZ/YZF and WR bikes.
I can't see any weights on the flywheel/rotor from the picture Finger posted on his kickstarter mod write up.
Anyone else want to chip in?
I can't see any weights on the flywheel/rotor from the picture Finger posted on his kickstarter mod write up.
Anyone else want to chip in?
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Last edited by WestOzKLX; 11-01-2008 at 03:56 AM.
#8
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whaaaaaaaaaaaaaaaaaaaaat the hell is up with that???? yet another back-asswards kawasaki design. Flywheels don't normally sit like that. Thats inside out and backwards.
Anyway, the weight (if it exists) is on the other side of the flywheel. facing in toward the motor
Thats freaking messed up, I've been in alot of motors and not once have I ever seen a flywheel like that. The stator thingy there is suppose to sit stationary on the motor and the flywheel is suppose to fit over and round it like a cup, covering everything up, and all you see is a wheel. And the weights (if there are any) get bolt onto the outside.
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Vaporizer wiki
Anyway, the weight (if it exists) is on the other side of the flywheel. facing in toward the motor
Thats freaking messed up, I've been in alot of motors and not once have I ever seen a flywheel like that. The stator thingy there is suppose to sit stationary on the motor and the flywheel is suppose to fit over and round it like a cup, covering everything up, and all you see is a wheel. And the weights (if there are any) get bolt onto the outside.
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Vaporizer wiki
Last edited by JasonFMX; 03-29-2011 at 08:09 AM.
#9
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ok, here's a '99 KLX 300 flywheel. Now, this isn't a very good picture either. Nothing is as good as seeing it in person, which is what I'm going to have to do to see if its removable or not. We'll anything is removable, but...whether its practical or not I should say. And thats providing this is the same as the 250 flywheel. Which as I type this I realize, being these A-holes put this flywheel on backwards if you take that weight off it won't fit right. Normally the wheel sits the other way as I stated above and it doesn't matter. Oh well, It can be at least machined down all around the outside and just leave the spindle area alone. Thats a definite possibility. ANd then after its machine down, some shavings could even be taken off of the outside edge to make it smaller in diameter. But anyway, that appears to me to be one large weight on there.
![](http://i19.ebayimg.com/06/i/000/d8/06/44d0_1.JPG)
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Amateur model
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Amateur model
Last edited by JasonFMX; 03-29-2011 at 08:09 AM.
#10
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If you go to the KTM forum you will read about several guys who have installed heavier flywheels so that the power is more "manageable" and smooth. The power of a MX'er is not the best senario for a woods bike.
I'll take my torquey tractor power in the woods any day. jmo