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Author Topic: Wiesco Piston 83 84 XR500R Piston Kit  (Read 3124 times)

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Offline HL500

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Wiesco Piston 83 84 XR500R Piston Kit
« on: April 08, 2018, 01:58:06 pm »
I have a NOS XR500 Piston kit if anyone is interested. It’s 4330P2, 10.25 compression, 92.50mm, +020.
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Offline Rupert Prior

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Re: Wiesco Piston 83 84 XR500R Piston Kit
« Reply #1 on: April 08, 2018, 05:22:34 pm »
do you still have the piston kit? how much is it? I think it will fit my xl500r. are you sure about the bore size? (89mm was standard)
regards Rupert
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Offline Butcher

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Re: Wiesco Piston 83 84 XR500R Piston Kit
« Reply #2 on: April 08, 2018, 08:58:53 pm »
in 1983 the radial 4 valve head came out. the xr was a 500cc but the xl was a 600. i doubt very much it will fit
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Offline crossedup2

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Re: Wiesco Piston 83 84 XR500R Piston Kit
« Reply #3 on: April 09, 2018, 08:37:35 am »
There are to many differences for it to work in earlier XL.

Pin is different, bore and stroke so the piston top to pin will also be different.

https://drive.google.com/open?id=1Q-SYTJ493_icfLUJDkR97-RV99OYdbJk

Peter B
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Anything Yamaha. AT1, CT1 (X3), RT1, DT3 (x3), YZ125X,  YZ250E, YZ400D, IT175E, IT250H, XR500RC . Always looking for Pre 78 Yamaha stuff....

Offline HL500

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Re: Wiesco Piston 83 84 XR500R Piston Kit
« Reply #4 on: April 09, 2018, 11:28:06 am »
Quote from: Rupert Prior on April 08, 2018, 05:22:34 pm
do you still have the piston kit? how much is it? I think it will fit my xl500r. are you sure about the bore size? (89mm was standard)
regards Rupert
[/qruote]That's what the print on the box says
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