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Makotosun

will a 1971 ct1 cylinder fit on a 1970 ct1?

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will a 1971 ct1 cylinder fit on a 1970 ct1? was created by tblank9824

 
15 Apr 2023 09:51 #1

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Replied by MarkT on topic will a 1971 ct1 cylinder fit on a 1970 ct1?

Yes
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
15 Apr 2023 10:00 #2

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Replied by Gr8uncleal on topic will a 1971 ct1 cylinder fit on a 1970 ct1?

CMSNL list the same part for all CT1 models from 1969 to 1971, so I would say yes.
15 Apr 2023 10:02 #3

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Replied by RT325 on topic will a 1971 ct1 cylinder fit on a 1970 ct1?

So will an AT1 if ya want to go slower. Be careful someone's not misidentifying a "71 & its a reed "72 as i think the old rod change trick comes into play.
15 Apr 2023 15:33 #4

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Replied by tblank9824 on topic will a 1971 ct1 cylinder fit on a 1970 ct1?

Thanks for the info. Would a 1970ct1 Head work on a 1971 at1 cylinder?
15 Apr 2023 19:20 #5

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Replied by RT325 on topic will a 1971 ct1 cylinder fit on a 1970 ct1?

Two answer. No--but yes. it fits but being 66mm instead of 56 it finishes way out past the 125 cylinder. 175 Gasket being 66 sits way out but i [think] there's enough flat area to seal on the 125. Not the best plan & low compression too, lower than low. Yep she'd run.
Last edit: 15 Apr 2023 20:05 by RT325.
15 Apr 2023 20:03 #6

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