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Wiseco pistons, made/quality cheaper.

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I recently purchased 2 Wiseco pistons of the same size and number for 2 different bikes but both had forging and machining changes, or should I say lack of machining.

Top is for 1988 YZ80, mold used looks the same but finish isn't as nice as old piston.

Second is for a 1993 KX250, different mold used with poorer looking finish.

Both missing obvious lightening work.

Also you can see the weight difference.

I have been using Wiseco for as long as I can remember.

Looks like they made all there pistons cheaper but included a fancier box with the piston in cute little bags.......

I guess I would rather have the extra quality/machine work than the fancy packing.

Did they start having there blanks come from China? And just cut back costs by eliminating some of the machining programs?

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Edited by chipped tooth

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That YZ250 piston doesn't look like a Pro Lite, it's a single-ring?

 

I'm due for a top-end sometime in the near future. I generally run the Racer's Choice in my KX 250. I'll have to compare them when I order the new one.

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Box for both pistons state Pro-Lite

Top piston is a 1988 YZ80

Second piston is a 1993 KX250

Both bikes run great, I wish I could have tested the before and after, Light vs heavy

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That YZ250 piston doesn't look like a Pro Lite, it's a single-ring?

 

I'm due for a top-end sometime in the near future. I generally run the Racer's Choice in my KX 250. I'll have to compare them when I order the new one.

Let us know Chokey i'm interested in your comparison  :thumbsup:

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