Maintenance & Technical > KX500 Original

WTB: Flywheel Weight for '86 KX500

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Danger4u2:
Quote from KXAddicted:  Cheers!lol but why would u want to put weight on ur flywheel?

I put one on because I do alot of woods riding..... picture tells the rest.....

alan:
I moved this topic, because I want to revisit this topic. I also purchased Steahly flywheel weights and I have not installed them yet. I am wondering how they decided on that amount of weight. I want to experiment with different amounts of weight. So has anyone already done this?

Alan :-D

hughes:

--- Quote from: alan on April 05, 2007, 04:53:00 AM ---I moved this topic, because I want to revisit this topic. I also purchased Steahly flywheel weights and I have not installed them yet. I am wondering how they decided on that amount of weight. I want to experiment with different amounts of weight. So has anyone already done this?

Alan :-D

--- End quote ---

If you were to add weight wouldn't it need to a balanced weight? I was thinking that's one reason the weight is round in shape, if you add weight to one side of the weight I suspect it could cause some issues. Or could you add weight to each side just be 180 degree from each other. Alan I guess with your machine shop you could mill one of the weights down and weight it. Start with a 14 oz weight and make a 10 oz out of it.

alan:
I was thinking of using multi disc to maybe ad in 1/2 oz increments.

quincyman:
I have two flywheels for my 500. One I use the stealthy 14 oz. which is the heaviest they sold at the time.

The other is welded on to the flywheel by Aloop. It is a 16 oz. although they will weld on any weight you want.

Here are some of the positives of a flywheel weight from my point of view.

1. The greater mass helps the bike start easier.
2. The greater rotating mass makes the bike more difficult to stall in the tight technical woods and rocks.
3. It helps smooth out the power delivery in the slow stuff which is really important to me. The bike will still perform like a 2 stroke if I wack it but it will lug out better with less wheel spin when taking off on a hill.

Of course all of this demands throttle control and there is no way to get away from that on a KX500.

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