Maintenance & Technical > KX250 / KX125

Best low end-mid pipe for 98 kx250

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dirk_411:
When I get them I will weigh kawasaki's 5/16" & 3/8" for baseline numbers and then see where exactly the tungsten fits in.   I will have to try them with my stock spring then try the 98-99 kx250 spring and see from there

dirk_411:
I got my 5/16" tungsten carbide balls. I weighed all 3. I didnt any precise way of weighing these.  I used my wifes digital kitchen scale.

5/16" stainless steel- 2 grams

5/16" tungsten carbide- 4 grams

3/8" stainless steel- 4 grams

So for me on my tecate 4 with the "1851" jug I think its a no brainer. Im going to run the tungsten carbide balls and oppose it with the kx250 governor spring.   I've essentially better simulated the the kx250 power valve characteristics which I feel better compliment the kx250 mod on my quad.

Now im going to see which kawasaki power sport machines use the 5/16" set up and maybe look into ramp and cup swaps.  Stay tuned

sandblaster:
There you have it...
The weight of tungsten carbide is from 1-1/2 to 2 times the weight of carbon steel...
Nice job  8-)

Foxx4Beaver:
cool...thanks for sharing dirk.
can I ask where you ordered the tungsten balls from?

dirk_411:
www.precisionballs.com 1-800-322-5832

In Cali I believe.   If you have technical questions talk to Eugene. 

He told me tungsten carbide was really the only other option because of it's wear properties

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