wo makes costom pistons

[FireHead]

i drew up an over size KX500 piston for a buddy's stroker kx500, and had wiseco quote me on it. they wanted $249.95 for each piston and minimum run of 4 pistons. the bore size and skirt length on that piston was custom, but the bore size was exactly the same as a CR500 piston, and the ring land dimensions were the same too, so we could have just used cr500 rings, saving the cost of needing rings made too i guess.

That's actually not too bad of pricing for a custom two stroke piston.......... (which I know seems like alot of money for normal folks). :thumbsup:

[FireHead]

Very interesting thread.. I never new pistons weren't "round". Why is that so?

They are not round for a few reasons:

 

1.) If piston were to be round, then go through heat cycling, it would probably seize due to the piston expanding and contracting in a slightly non-uniform manner.

 

2.) It allows the rings to do their job in a circular manner.

 

3.) It also helps abate wear on the piston due to the thrust.

 

4.) It allows for oil to linger on the cylinder walls.

 

 

Interstingly enough, a piston doesn't even have to look round to be a piston. Oval pistons and eliptical pistons pop up in OEM's designs every once in awhile.

[4stroker]

That's actually not too bad of pricing for a custom two stroke piston.......... (which I know seems like alot of money for normal folks). :thumbsup:

 

yeah its cheap as chips, $1000 in the development of this thing is nothing compared to everything else that has to be made/bought!

[250Rho]

No the 500 won't work, the bore was bigger, the stroke was the same though.

 

try this website.

 

http://www.kawasakipartsnation.com/pages/p...42/default.aspx

 

as far as i can tell they still have pistons and everything instock.

 

o my gentle jesus thank you so mutch my hope is restored. i love you dude

 

 

by the way guys its a kz not a kx its a small 4 stroke street bike

[250Rho]

i wonder if i could bore my bike to match the bore of the 500

[250Rho]

hey :mad:

[250Rho]

i got a problem

[250Rho]

that website couldnt get my pistons either

 

im really getting mad

 

kawasaki is an asshole

 

by discontinuing my shit they just totald my bike

 

assholes

 

thats the second time somebodys done that

[250Rho]

i need help finding the parts i need

 

i feel betrayed

 

[mopar1rules]

if its a 4-stroke piston, then contact je pistons, as they can make custom 4-stroke pistons, and their quality is awesome too.

[250Rho]

iv got their form but im having trouble getting all the measurements they want cause the form is for automotive and im gonna need to know a ballpark of what its gonna cost before i go and just order them.

[250Rho]

bumpety bump

 

does anybody know what the bore is on the kz 440 or 500

 

[250Rho]

piked up a set of used pistons and cylenders for the bike for 95 bucks they got 6000 miles on em but i figure id hone em and do everything else to prep em hopfully that will make it run for a long time wat do you think