Wiseco K1075 72mm 4052M07200 10.25cr

  • asphalt900
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Wiseco K1075 72mm 4052M07200 10.25cr

11 Nov 2025 05:30
#918957
Since Daveo brought up piston woes and I'm in that mindset, i'll peddle these "almost" new 72mm Wiseco K1075 piston assemblies, again. No gaskets, just the pistons/rings/pins and circlips. Good stuff barely used in misapplication from a "shop" that tried to use them in a 1982 J engine..go figure how that wouldn't be immediately relevant because of the lower "obvious"        piston top to deck height, ha. Anyway..they tried to get it to running and failed. So i acquired the engine and put the correct "J" pistons in it, these are the pull-outs. All just fine, just take your 1977-1980 cylinder/liners to a proficient machine shop to turn your 70mm stock bore to 72mm with a bump in compression vs stock. By far the most popular upgrade piston set used while still maintaining reliability. 450.00USD shipped to the 48. Questions/concerns PM or call 816-365-8687 Clay     
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Re: Wiseco K1075 72mm 4052M07200 10.25cr

Yesterday 17:29
#919022
Nice looking pistons, and thanks for responding to my engine post with thoughtful comment!

Where is everybody anyway?

😜
1982 KZ1100-A2

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Re: Wiseco K1075 72mm 4052M07200 10.25cr

Yesterday 02:42
#919031
It's almost winter, everyone is in a flurry to "batten down the hatches", ha.

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Re: Wiseco K1075 72mm 4052M07200 10.25cr

Yesterday 15:29
#919056
Or staring out the window at the thermometer hoping for just one more ride this season !
🤞😁
Scotty

1974 Z1A
Yoshimura 987
welded Z1 crank
Andrews 1X Cams
Delkevic 4 into 1
Superbike bars
530 conversion
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Re: Wiseco K1075 72mm 4052M07200 10.25cr

Today 18:00
#919059
Or enjoying a sunny, 80F day.
1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough

www.kzrider.com/11-projects/620336-anoth...uild-thread?start=24
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Re: Wiseco K1075 72mm 4052M07200 10.25cr

Today 02:29
#919066
Speaking of "winterizing". We have 3 separate forced air heaters to keep this castle warm. Went to start one up and no-go. Furnace Control Board received a surge when we had a bolt of lightening strike a couple months ago hit a tree 100 foot away from the house but right on top of the power line. A new White-Rodgers (Emerson) board and i too can stare out the window sf4t7, in comfort though ha.  

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