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Makotosun

Early Wiseco piston hardware for DT-1

  • thumperstew
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Early Wiseco piston hardware for DT-1 was created by thumperstew

Just acquired a nice DT1 cylinder with a matching Wiseco piston/rings/pin/bearing setup. No circlips.  Is the Wiseco CW18 circlip correct for this piston?  .This piston uses the L-type top ring.  Package deal also included another DT1 cylinder(wrist pin damage), two standard and one TK cylinder heads. Last of someone's old DT1 stuff.  Thanks
 
04 May 2026 07:45 #1

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Replied by MarkT on topic Early Wiseco piston hardware for DT-1

Many earlier Wiseco had "square" profile grooves machined and designed for "Spirolox" clips.  Would be worth calling Wiseco to see if they can ID what you need.
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: 04 May 2026 08:24 by MarkT.
04 May 2026 08:23 #2

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Replied by thumperstew on topic Early Wiseco piston hardware for DT-1

Mark,
I remember vaguely the Spirlox type clips. I'll examine the circlip groves with a magnifier for round or square profile.
I've contacted Wiseco before, fairly helpful. Thanks
04 May 2026 09:46 #3

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