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Makotosun

DT125 very oversize pistons!

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DT125 very oversize pistons! was created by Gr8uncleal

Asking for a friend, honestly!

Does anyone know if Wiseco go above 1mm (0.04") oversize for the DT125? Year is likely 1975 (I need to double check).

Many thanks.
29 Aug 2025 08:50 #1

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Replied by MarkT on topic DT125 very oversize pistons!

Catalog here:  issuu.com/racewinningbrands/docs/wiseco2...ts_catalog_final_web

They show 56mm through 58mm in 0.5mm increments (pages 82-83)
 
1963 YG1-T, 1965 MG1-T, Allstate 250, 1970 CT1b, 1971 R5, 1973 AT3MX, 1974 TS400L, 1975 RD350, 1976 DT175C, 1976 Husqvarna 250CR, 1981 DT175G, 1988 DT50, 1990 "Super" DT50, 1991 RT180, 2017 XT250
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Last edit: 29 Aug 2025 09:00 by MarkT.
29 Aug 2025 08:59 #2

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Replied by Gr8uncleal on topic DT125 very oversize pistons!

Thanks Mark, but I'm not seeing any of that info on pages 82-83 - am I having a senior moment?! 

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29 Aug 2025 09:49 #3

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Replied by MarkT on topic DT125 very oversize pistons!

Here's a screenshot.  The list of bike models in the first two columns on the left that SHARE this same Wiseco "236MOXXXX" piston are shown.  (Replace the XXXX with the size you need in mm.)

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1963 YG1-T, 1965 MG1-T, Allstate 250, 1970 CT1b, 1971 R5, 1973 AT3MX, 1974 TS400L, 1975 RD350, 1976 DT175C, 1976 Husqvarna 250CR, 1981 DT175G, 1988 DT50, 1990 "Super" DT50, 1991 RT180, 2017 XT250
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Last edit: 29 Aug 2025 10:23 by MarkT.
29 Aug 2025 10:08 #4

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Replied by Gr8uncleal on topic DT125 very oversize pistons!

Thanks for explaining! 

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29 Aug 2025 10:29 #5

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